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Counting injuries and illnesses in the workplace: an international review.

This article reviews salient features of national occupational safety and health surveillance systems within a cross section of countries, including the United States. Special attention is paid to differences in system scope and in methods of injury and illness data collection.

Workplace injury and illness data are important for a variety of purposes: improving employee and employer understanding of work-related risks, conducting research, and making policy decisions. This article examines the properties and features of selected national occupational safety and health (OSH) surveillance systems, focusing on their data collection characteristics. It reviews the challenges, limitations, and advantages of collecting OSH data for a cross section of countries, including the United States. Explored are questions such as the following:

* How is each national OSH surveillance system set up?

* Is the OSH system decentralized or centralized by government function and role?

* How do OSH definitions vary across countries and affect the counting and measurement of work-related injuries, illnesses, and diseases?

* What types of workers and businesses are covered and counted by the OSH system?

* How are survey instruments used to count occupational injuries, and who are the survey respondents?

* Does the workers' compensation system or any other government system have a role in counting?

* How is regulatory recording or reporting of injuries and illnesses used?

* Does the national OSH system include any data collection exceptions or exemptions?

In addition to addressing these questions, the article provides a brief overview of the types of data disseminated by the nations selected for comparison, along with any notable dissemination restrictions that may apply.

The nations under review were selected on the basis of the scale of their economic activity and its comparability to that of the United States. The availability of translated documents and sociopolitical context were also considered. Countries with national health and accident insurance programs that cover a large portion or most of their employed have a distinct advantage in leveraging their in-place health and workers' compensation systems for data management purposes. Nations without national or federalized statutory insurance and compensation systems--such as the United States, where each state oversees worker compensation--rely more heavily on regulatory reporting, databases, and statistical methods (e.g., surveys) to count workplace injuries. The collection and counting of occupational diseases remains a distinctive challenge in many nations. This is due to the lag in the onset of disease symptoms and the difficulty of matching an illness to a work exposure. Comparing international data is similarly challenging, because differences in host-nation laws and regulations produce differences in OSH systems and their associated scopes.

Background

Modern epidemiological practices and methodologies were pioneered by William Farr, a British statistician and superintendent of the statistical department of the United Kingdom's General Register Office, which was established in England and Wales in 1838. Farr contributed to the development of the modern epidemiological surveillance system so that "well-informed officials, supported by an understanding public," would take adequate corrective measures. (1) Modern systems for disease and injury surveillance have three components: collection, analysis, and dissemination of data. (2) This article examines the properties and features of a selected cross section of national occupational safety and health (OSH) surveillance systems, focusing on collection and, to a lesser degree, analysis and dissemination.

Historically, the U.S. Bureau of Labor Statistics (BLS) has collected, analyzed, and disseminated data on occupational injuries, illnesses, and fatalities in the United States. (3) The methods, scope, and coverage of the U.S. occupational safety and health surveillance system have changed over time to include an ever-increasing proportion of economic activity. In 1970, the OSH Act was passed into law to "assure so far as possible every working man and woman in the Nation safe and healthful working conditions and to preserve our human resources." (4) The act established national definitions and recordkeeping standards, along with a regulatory framework guided by the Occupational Safety and Health Administration (OSHA) of the U.S. Department of Labor (DOL). The OSH Act also directed the Secretary of Labor to "develop and maintain an effective program of collection, compilation, and analysis of occupational safety and health statistics." (5)

In 1985, 15 years after passing the OSH Act, Congress tasked the National Academy of Sciences (NAS) with reviewing the accuracy and completeness of BLS occupational injury, illness, and fatality data for OSHA. In a study published in 1987, NAS found that BLS data lacked detailed information on injury circumstances of individual incidents. (6) In response to this finding, the BLS occupational injury and illness statistical program was redesigned and expanded. (7) The redesign was guided, in part, by the recognition that the use of a survey method for data collection had led to underreporting and, thus, undercounting of fatalities. (8) As a result, BLS adopted a census approach to counting work-related fatal injuries. The NAS study also recognized that, given the finding of considerable undercounting of work-related fatalities, nonfatal injuries may have been underreported as well, perhaps even more. (9) At the time of the study, no data existed to allow for such an assessment of nonfatal underreporting; however, research based on new data has found this early assessment to be true for nonfatal injuries.

Thirty years after the 1987 report, BLS partially sponsored NAS to develop a vision for a "'smarter,' more coordinated, cost-effective system for occupational safety and health surveillance in the United States." (10) This vision includes closing gaps of completeness, commonly called undercount. Cases of undercount, identified by the safety and health research community, are instances in which a particular case is not counted but is technically covered by the OSH Act scope. These cases include "all disabling, serious, or significant injuries and illnesses, whether or not involving loss of time from work, other than minor injuries requiring only first aid treatment and which do not involve medical treatment, loss of consciousness, restriction of work or motion, or transfer to another job," as well as cases within the scope limitations of 29 U.S.C. [section] 653. Undercount cases are different from out-of-scope cases; for instance, the OSH Act specifically excludes nonfatal injuries incurred in small farm establishments.

Various causes may underlie the undercount: employee fear of reporting an injury or illness, lack of employer awareness of reporting requirements, complex definitions and rules, measurement issues, and other factors influencing reporting and counting. (11) According to recent BLS research, the key reasons for the presence of an undercount among employers are confusion about case types; reliance on workers' compensation definitions, which could vary by state; and lack of clarity how to record the injuries and illnesses of temporary workers. (12)

Data on fatal injuries published by the BLS Census of Fatal Occupational Injuries (CFOI) are obtained through a multisource census approach to counting injuries. However, this approach is impractical for collecting data on nonfatal injuries, because of the high volume of such cases. For that reason, this article gives special consideration to the collection, compilation, and analysis of nonfatal data. In addition, BLS has been exploring the feasibility of collecting OSH data with a household survey that would supplement the current BLS establishment survey, the Survey of Occupational Injuries and Illnesses (SOII). (13) Some of the nations reviewed herein already employ household surveys for the purpose of collecting occupational health data, and the household survey considered by BLS guides the research presented here.

The nations reviewed include Australia, Canada, Germany, Japan, the Netherlands, New Zealand, the United Kingdom, and the United States, which is used as a reference. Special mention is also given to the European Union (EU); EU organizations, such as Eurostat and the European Foundation for Improvement of Living and Working Conditions (Eurofound); and the nongovernmental International Labour Organization. These bodies interact with multiple nations by serving as data intermediaries to harmonize international datasets and create standards. Developing nations were not selected because they tend to have a larger proportion of their labor force in the informal sector, and this condition leads to difficulties in collecting and comparing data. (14)

Defining injuries, illnesses, and diseases

The Epidemiology of Occupational Health, a publication of the World Health Organization, defines the term disease simply as a condition involving a disruption of a bodily function. (15) The terms disease, illness, and sickness are similar but not synonymous. Between the 1980s and the 2000s, numerous articles have discussed the definitions of these terms. (16) The terms accidents, incidents, and injuries may refer to a catch-all category or a specific type of case. For example, BLS defines an occupational injury as any injury that results from a single instantaneous exposure in the work environment. (17) Work-related diseases, called occupational diseases, are typified by a chronic ailment connected to the work environment. In defining such cases, which tend to be more heavily regulated, nations may choose to use what is called an open system, disease lists, or both (a mixed system). (18) Diseases under an open system are determined on a case-by-case basis, whereas those in disease lists must meet specific criteria based on epidemiological review or other medical evidence presented by experts.

Occupational diseases are generally associated with longer latency periods of symptom onset. This characteristic distinguishes them from traumatic injuries, which may present symptoms immediately. Cases involving long latency periods are difficult to capture with methodologies and data sources such as those used by the BLS SOII and CFOI programs. BLS considers an occupational illness to be any abnormal condition or disorder--other than a case resulting from an instantaneous event or exposure--that is caused by an exposure to factors associated with employment. (19) In the BLS lexicon, diseases and illnesses are synonymous terms and include cases involving skin diseases, respiratory conditions, poisoning, and hearing loss, among others. (20) Because BLS is the principal manager of U.S. OSH data, this article's references to injuries, illnesses, and diseases conform to a U.S. definitional perspective, unless otherwise noted.

Features of collection

The International Labour Organization distinguishes occupational accidents by the severity of the case for which data are collected, using three severity categories: reportable accidents, compensated or serious accidents, and fatal accidents. (21) These severity categories are an effective way to compare how national OSH systems count occupational accidents within their system of collection and its associated scope limitations. In 2015, BLS counted 4,836 fatal workplace injuries and over a million nonfatal injuries involving at least 1 day away from work. (22) This difference in magnitude leads to different approaches to, and limitations of, collecting data on fatal and nonfatal injuries. Whereas fatal injuries are estimated with a census approach, which involves compiling a database from multiple sources, nonfatal injuries are estimated with a survey instrument or sourced from compensation data.

The collection methods of the nations selected for review may be grouped into at least two broad categories: compensation and noncompensation. The key difference between the two categories is the original source of data. Nations with federalized mandatory accident insurance programs (commonly called workers' compensation in the United States) that cover all or a significant portion of the labor force tend to leverage the in-place workers' compensation system to collect and count occupational injuries, typically called claims. Closely related to the collection system are its collection limitations, called scope or coverage. The collection system and the primary data sources used (e.g., employer records, employee interviews, administrative compensation data, and regulatory reporting) determine the scope of collected data and their comparability across nations. Some of the nations reviewed here use a combination of both compensation and noncompensation systems, to minimize problems related to scope limitations and undercounting.

National OSH systems are usually delineated by government function: regulatory, enforcement, statistical, and research. A regulatory function sets rules, guidelines, and recordkeeping requirements for OSH surveillance on the basis of an existing piece of legislation and typically coincides with an enforcement function. Within government organizations, statistical and research functions often go hand in hand. For example, while the U.S. National Institute for Occupational Safety and Health (NIOSH), part of the Centers for Disease Control and Prevention (CDC), is specifically empowered by the OSH Act to perform a research function, it also collects some statistical data related to disease. Sometimes government functions may be highly centralized, as in the case of the United Kingdom's Health and Safety Executive, which is responsible for regulatory, enforcement, and statistical functions.

Following are short profiles of the OSH surveillance systems of the nations selected for review. Starting with the United States, the discussion outlines each national system by government organization and function, along with important scope features. (See table 1.) Among the key scope-related features reviewed are the minimum severity of an injury required for counting, the types of establishments or workers within scope for counting, the capturing of illness and disease data, and the methods (if any) for counting commuting accidents. With respect to data collection based on survey methods, important aspects discussed are whether the survey is a stand-alone instrument or a supplement, the frequency of the survey, and whether survey respondents are employers or employees.

United States

BLS, an independent federal statistical agency within DOL, is responsible for collecting and disseminating estimates of occupational injuries, illnesses, and fatalities on an annual interval under a federal--state cooperative program. OSHA, also within DOL, is responsible for setting rules and inspecting workplaces, focusing on analyzing and disseminating data for regulatory and enforcement purposes. Because BLS and OSHA are part of the same department, they are sometimes mistakenly seen as a single agency. (23)

In the United States, a nonfatal work-related injury or illness is reflected in BLS estimates only if it meets general recording criteria established by OSHA. Recordable cases are defined as injuries and illnesses involving days away from work, restricted work activity or transfer to another job, medical treatment beyond first aid, loss of consciousness, and fatal injuries. (24) OSHA's recordability criteria differ from OSHA's severe-injury reporting criteria, which cover workplace accidents resulting in death, amputation, loss of an eye, or hospitalization. (25) Differentiating between recording and reporting is important because, as discussed later, OSH data collection systems in other nations, such as New Zealand, produce estimates based on certain types of serious-injury reporting.

The SOII--an annual, mandatory survey administered by BLS--uses a nationally representative sample of more than 200,000 establishments in private industry and state and local government. Statutorily excluded from the SOII are self-employed workers, workers on farms with fewer than 11 employees, and federal government employees. Each state may determine the reporting requirements for its government establishments. (26) The SOII collects total and case-specific injury and illness data from employers who record this information throughout the year on OSHA-developed logs and forms. Establishments in certain low-hazard industries and establishments with 10 or fewer employees are partially exempt from maintaining logs of work-related injuries and illnesses, unless they are selected by BLS to participate in the SOII. Mining and railroad data are provided separately to BLS by the Mining Safety and Health Administration and the Federal Railroad Administration.

The BLS CFOI is collected through the same federal--state agreement as that used for the SOII. However, the CFOI's census approach to data collection involves creating a database of fatalities from multiple source documents, including death certificates, workers' compensation reports, media reporting, reports for federal agencies, and other reports (e.g., coroner reports) provided by state administrative agencies. Workers' compensation reports are used to identify and substantiate fatal work-related injuries. Employers and other respondents are contacted directly only if followup questions are required to clarify information. (27) The CFOI does not publish any data on work-related illnesses because of several factors, including the latency of many occupational illnesses and the difficulty in definitively linking illnesses to a workplace exposure.

A fatal injury must meet three requirements to be counted in the CFOI: it must have resulted from a traumatic injury; it must have occurred in the United States, U.S. territories, or U.S. territorial waters or airspace; and it must be work related. The scope of the CFOI differs from that of the SOII in that it includes self-employed workers, federal employees, and farm workers in establishments of any size. (28) Workers killed during their normal commute to and from work are not included in the total count of fatal workplace injuries. However, workers killed while driving to perform their normal job duties (e.g., truck drivers, delivery drivers, and taxicab drivers) are included in that count.

As noted earlier, NIOSH is the principal OSH research organization that collects, analyzes, and disseminates specific types of data on occupational diseases, although it also collects data on accidents such as harmful exposures to lead, noise, and dust. (29) The National Occupational Research Agenda sets NIOSH's research priorities, by industry sector. (30) NIOSH data sources vary by the injury and disease to be captured and include occupation-specific surveillance programs (e.g., the Coal Workers' Health Surveillance Program); Social Security Administration benefits programs (e.g., the Black Lung benefit program); the National Health Interview Survey of the National Center for Health Statistics; other specialized databases; and, in some circumstances, BLS-produced work-injury data. NIOSH has launched more than 20 OSH surveillance initiatives, many of which address workplace exposures that affect the skin or respiratory systems. (31)

Japan

Working conditions in Japan are regulated by the Ministry of Health, Labour, and Welfare (MHLW), which is similar in function to OSHA. (32) The Japan Industrial Safety and Health Association (JISHA), formed under the country's Industrial Accident and Prevention Organization Law, promotes voluntary activities by employer organizations in order to prevent occupational accidents. (33) JISHA serves primarily as a public--private cooperative with an advisory role, providing risk assessments of working conditions and occupational safety and health education. (34) MHLW and JISHA publish OSH data from compensation and noncompensation sources separately. Japanese OSH data not sourced from compensation records are derived from an establishment survey similar to the U.S. SOII.

Work-related accidents in Japan are defined as cases "in which a worker is injured, contracts a disease or is killed due to causes attributable to buildings, facilities, raw materials, gases, vapors, dusts, etc., in or with which he is employed, or as a result of his work actions or attending to his duties." (35) Occupational diseases are determined by a physician inspector who may conduct medical examinations of workers. The interpretation of Japanese definitions and data could be problematic, because translations of Japanese publications into English lack exactness. After examining Japanese publications and having extensive discussions with officials from MHLW, Richard E. Wokutch and Josetta S. McLaughlin concluded that the Japanese terms for "injuries," "injuries and illnesses," and "casualties" are used interchangeably to denote what in the United States would be understood as the combined category of injuries and illnesses. (36)

Japan conducts two annual, stand-alone surveys of general establishments and construction sites and, on occasion, ad hoc surveys targeting specific work activities. In 2009, MHLW surveyed 30,300 establishments and 4,600 construction sites. (37) The survey of general establishments covers both public and private establishments in certain industries that employ 10 or more regular employees, with the word regular denoting permanent or full-time workers. (38) The concurrent survey of general construction sites has a limited scope based on insurance premiums or construction contract amounts. (39) Reporting based on compensation data is limited to claims for injuries involving 4 or more days away from work. (40)

On occasion, MHLW conducts ad hoc surveys targeting specific work activities. For example, in 2008, it conducted a special Survey on Technological Innovation and Labour, trying to understand how advances in technology affect work environments and occupational health. (41) This survey, while similar in design to the establishment and construction-site surveys, differed in its administration. The survey was mailed to selected establishments, asking employers to identify employee respondents on the basis of selection points, or specific characteristics of the employee's work (e.g., the use of computers). This method of selecting respondents through the employer is distinctive in the context of OSH data collection.

Canada

The Canadian Occupational Health and Safety (OHS) Act forms the framework for OSH surveillance in Canada. The Canadian Centre for Occupational Health and Safety (CCOHS), part of the Ministry of Labour, regulates this activity through 1 federal, 10 provincial, and 3 territorial jurisdictions in Canada. Each of the 14 jurisdictions may regulate workplaces within the framework of the OHS Act and is overseen by a Joint Health and Safety Committee (JHSC), which consists of worker and management representatives. Canadian OSH data are derived outside this regulatory framework and come from workers' compensation claims under the Workplace Safety and Insurance Act of 1997. Data are reported to the National Work Injury Disease Statistics Program (NWISP) of the Association of Workers' Compensation Boards of Canada (AWCBC). (42) Since 1982, NWISP has operated under Statistics Canada, Canada's federal statistical agency, but in 1996 data collection duties were transferred from Statistics Canada to AWCBC, a private nonprofit organization. (43) Canada is the only nation in the cross section of countries examined that uses a private nongovernmental organization to manage national OSH statistics.

Canada's NWISP defines an injury or disease as "any injury or disease resulting from a work-related event or exposure to a noxious substance. Disease, as distinct from a physical injury, results from conditions in the work environment." (44) Administrative compensation data are provided by Canadian workers' compensation boards and NWISP commissions. NWISP counts compensation claims that involve lost time, permanent disability (independent of lost time), and work-related fatalities; noncompensable injuries are not counted. (45) Occupational diseases in Canada are cases that have been verified and accepted by the provincial or territorial compensation authority.

Being mandated at the provincial level, the Canadian workers' compensation system is similar to that of the United States; it is a monopolistic state fund exempting certain industries, such as dentistry and banking. (46) Not purposely designed as an information system, it combines varying compensation scopes and coverage and, thus, exhibits both the best and worst attributes of a compensation system. (47) Because each Canadian province and territory has its own workers' compensation boards and commissions, workforce coverage and compensation scopes vary across jurisdictions, leading to data differences. For example, in 2007, 89.6 percent of Canadian workers were covered by workers' compensation and, thus, were eligible to be counted. Such coverage is as low as 69.5 percent in Manitoba and as high as 100 percent in the Northwest Territories and Nunavut. (48)

Australia

In 2009, Australia passed the model Work Health and Safety (WHS) Act to create more uniform OSH legislation. This act forms the basis of OSH legislation at the state and territorial jurisdictional levels. Australian states and territories, like those of many other nations, are permitted to regulate their own jurisdictions within the framework of the model WHS Act. Safe Work Australia (SWA)--an independent government body composed of representatives from worker and employer organizations, the commonwealth, and state and territory governments--is responsible for compiling OSH data and producing statistics from workers' compensation claims, survey data, and other databases. (49) Similarly to BLS, SWA defines injuries as conditions "resulting from a single traumatic event where the harm or hurt is immediately apparent" and diseases as conditions "resulting from repeated or long term exposure to an agent or event." (50)

Every 4 years, the Australian Bureau of Statistics conducts the Work Related Injuries Survey (WRIS), an ad hoc module to the monthly Multipurpose Household Survey (MPHS). The MPHS is designed to provide statistics on labor, social, and economic topics, and is conducted in conjunction with the monthly Labour Force Survey (LFS). (51) The LFS is based on a multistage sample of approximately 27,000 dwellings. It excludes certain nonprivate dwellings (e.g., university student dwellings), members of the military, overseas diplomatic personnel, overseas residents, and people in certain geographic areas. (52) WRIS self-reported injuries include all nonfatal work-related injuries of people who worked at some time in the last 12 months; fatal work-related injuries or illnesses are excluded. (53) In 2013-14, WRIS had an approximate response rate of 77 percent for private dwellings. (54) By comparison, the U.S. SOII response rates are estimated to be approximately 90 percent (2003-10) for private establishments and 30-50 percent (2010) for government establishments not required by law to respond. (55) Nonfatal compensation data on occupational injuries differ from those obtained through survey methods. For example, data derived from the Accident Compensation Company (ACC) include only accepted serious claims, which involve injuries resulting in 1 or more weeks away from work. (56)

SWA provides the most complete count of Australian work-related fatalities, deriving its estimates from workers' compensation data, coronial databases, fatality reporting, and the media. (57) The scope of this count coincides closely with that of the U.S. CFOI and includes unpaid volunteers, military forces within Australian territories and waters, and people traveling for work. Australian fatality counts once included commuter fatalities reported in workers' compensation data; however, as fewer jurisdictions have provided commuting compensation data over the years, commuter fatalities are no longer within scope. (58) Both Australian and U.S. data on work-related fatalities include injuries sustained by another person's activity, such as violence in the workplace. Suicides are not included in SWA fatality data--an approach that contrasts with the U.S. practice of including them if the suicide occurred on a work premise or if it occurred off the work premise but could be definitively linked back to work. (59)

New Zealand

WorkSafe is New Zealand's OSH regulator, having carried out health and safety regulatory functions by industrial sector since 2013. Statistics New Zealand acts as the country's OSH data manager, providing injury and illness data to WorkSafe for regulatory functions in a relationship resembling that between OSHA and BLS. (60) Sources of data include workers' compensation claims and regulatory reporting to WorkSafe by employers and employees via phone or online notification. (61) OSH research is funded through the Health Research Council, government agencies, and additional sources providing funding to universities and other government partner agencies. (62) Statistics New Zealand defines an injury according to the 10th revision of the World Health Organization's International Classification of Diseases (ICD-10), which excludes occupational diseases from its injury definition. (63) Diseases in ICD-10 refer to diagnoses resulting from chronic exposure over time and include occupational overuse syndromes.

Statistics New Zealand uses mostly regulatory reporting and compensation data from the Ministry of Health's Accident Compensation Corporation (ACC) to produce workplace injury statistics. The general sources of work-related injury data are categorized by WorkSafe into serious-injury outcome indicators (SIOIs), serious-harm data, and compensation claims. (64) Health-professional claims channeled through the ACC, voluntary reporting to the Notifiable Occupational Disease System, and other specialized databases provide the main sources of data on occupational diseases in New Zealand. (65)

SIOIs, developed by Statistics New Zealand, are combined with serious-harm data and compensation claims to produce fatal injury statistics and serious nonfatal injury statistics. Serious-harm data have to be reported to WorkSafe. The term serious harm, redefined in the newly enacted Health and Safety Act of 2015, includes notifiable injuries or illnesses. The definition of notifiable injuries or illnesses is similar to that of OSHA's recordable injuries. It covers injuries or illnesses that involve treatment beyond first aid and includes amputation of any part of the body, serious head injuries, serious eye injuries, serious burns, tissue separations (such as degloving), spinal injuries, loss of bodily function, and serious lacerations. (66) In addition, injuries leading to hospitalization, substance exposures that require treatment within 48 hours, and serious infections meeting certain criteria are included in the new definition of notifiable injuries and illnesses. (67)

United Kingdom

The United Kingdom's Health and Safety Executive (HSE) and Health and Safety Commission were established by the Health and Safety at Work etc Act in 1974. (68) HSE serves as both OSH data manager and regulator under periodic review from the U.K. Statistics Authority. Similar in function to BLS, the U.K. Statistics Authority has an independent executive body, the Office for National Statistics (ONS), responsible for reviewing and assessing HSE's job performance as an OSH data manager. (69) The United Kingdom arguably has the most comprehensive OSH data collection system, using data sources such as compensation claims, regulatory reporting, survey data, reporting by medical professionals, and other databases specialized for disease surveillance. (70) The United Kingdom defines injuries, illnesses, and diseases separately, by respondent and data source. Illnesses and injuries are conditions that are self-reported by workers, whereas occupational diseases are diagnosed by doctors and specialist physicians. (71)

HSE data sources are categorized by the severity of the injuries they include, with degrees of severity ranging from mild to severe to fatal. Each data source is rated by preference and selected on the basis of the nature of harm. For example, the preferred data source for musculoskeletal disorders is survey data, although other sources, such as medical reporting by general practitioners under The Health and Occupation Reporting Network, may also be used. (72)

Among the most preferred sources of data is the Reporting of Injuries, Diseases, and Dangerous Occurrences Regulations (RIDDOR) system, a legal regulatory system by which employers and others with a legal status of a responsible person must report certain workplace incidents to HSE, local authorities, and the Office of Rail Regulation (in the case of railroad accidents). The definition of the term responsible person depends on the type of incident, the injury status of the worker, and the worker's employment status. A responsible person's failure to report in accordance with RIDDOR is a criminal offence. (73) The scope of RIDDOR reportable cases includes fatal and nonfatal work-related injuries, defined occupational diseases, dangerous occurrences, and certain gas incidents. For work-related fatalities and injuries other than gas incidents, three criteria are required for a case to be within the scope of RIDDOR: (1) an accident must have occurred to cause the injury, (2) the accident must have been work related, and (3) the accident must have resulted in an injury type classified as reportable. (74) An accident under RIDDOR is an identifiable and unintended incident that causes physical injury. It specifically includes nonconsensual violence at the workplace--a specification that closely mirrors the violence scope criteria of the BLS CFOI. For an accident to be classified as work related, it must be linked to a work activity or such factors as inadequate worksite conditions, machinery issues, and exposures to harmful substances.

Reportable injuries are defined by various regulations and include fatalities, specified injuries, incapacitation for more than 7 days, and hospitalization. (75) Accidents not reportable under RIDDOR include commuting accidents (including those involving work-related travel), accidents related to maritime shipping and civil and air navigation, and accidents to members of the armed forces. (76) In 2011, a review of safety regulations by Ragnar E. Lofstedt recommended giving a special exemption to self-employed workers whose activities pose no potential risk of harm to others, and this exemption was adopted and went into effect in 2015. (77) Self-employed workers in high-risk work activities, such as construction work, must still report their injuries. Self-employed workers injured at work on their own premises are not required to report under RIDDOR, but if they do report, they are counted and included in published data. (78) Self-employed workers killed on the job must be reported by a responsible person in control of the premises. There is no responsibility to report if the self-employed person dies on premises that he or she owns or occupies.

HSE conducts two ad hoc survey modules--one focusing on workplace injuries and one on workplace illnesses --attached to the Labour Force Survey, whose sample consists of about 38,000 households responding each quarter. (79) The two ad hoc surveys are designed, developed, and managed by ONS, the United Kingdom's largest independent producer of national statistics. The workplace injury survey provides estimates of workplace injuries by demographic and employment-related characteristics, complementing the RIDDOR data. The workplace illness survey captures self-reported illnesses and attempts to elicit information on possible diseases that may not be accounted for through other sources. Research by HSE shows that carefully constructed surveys of self-reported work-related illnesses are broadly reliable and provide valid information when other sources are unavailable. (80)

European Union

The European Union (EU), in a relationship resembling the federal--state partnership in the United States, sets minimum safety and health requirements for working conditions in EU member nations. This is accomplished through the OSH Framework Directive, which is similar in purpose to the U.S. OSH Act of 1970. (81) The EU framework applies to both private and public sector employees, but exempts members of the armed forces and the police. Eurostat, the EU's statistical office, is responsible for providing statistics to enable comparisons among EU countries and regions. Eurostat publishes harmonized accidents-at-work data, which are collected under the European Statistics on Accidents at Work project per article 153 of the EU Treaty. (82)

Every 5 years since 1991, the EU's Eurofound has conducted the European Working Conditions Survey (EWCS). (83) The EWCS is a stand-alone household survey that provides information on working conditions in over 35 European countries, including both EU and non-EU member states. The 2015 EWCS sample consisted of about 44,000 households, surveyed in face-to-face interviews; eligible respondents were those who met minimum age requirements and were employed for at least an hour in the week preceding the interview. (84) The EWCS questions cover a broad range of labor-related topics, including employment, pay, and work-related health.

Netherlands

The Dutch Ministry of Social Affairs and Employment (SZW) has a role similar to that of the U.S. Department of Labor, with its subordinate inspectorates monitoring and supervising compliance with rules and regulations. (85) The Dutch OSH strategy is based on a multilayered, free-market approach: employers and employees are jointly responsible for ensuring safe and healthy working conditions and are encouraged to work together to instill a culture of workplace safety. (86) The nonprofit Netherlands Organization for Applied Scientific Research (TNO) is responsible for OSH research on behalf of SZW. TNO data, published in cooperation with Statistics Netherlands, are derived from surveys similar to those used for OSH data collection in the United States. (87) In the Netherlands, occupational injuries are sourced from accident reports (with accidents referred to as instantaneous events), whereas diseases are reported by occupational physicians and counted by the Netherlands Center for Occupational Diseases (NCvB). (88) NCvB has a statistical and research role similar to that of the U.S. NIOSH.

TNO is a major independent research organization that manages three stand-alone surveys: the Employers Labour Survey (WEA), the Self-Employed Labour Survey (ZEA), and the Netherlands Working Conditions Survey (NEA). These surveys gather a broad spectrum of labor-related information from employees and employers, including data on working conditions. The WEA is an establishment survey of approximately 24,000 for-profit and nonprofit establishments with at least two employees; of those establishments, about 5,500 responded in 2014. (89) Self-employed workers are covered separately in the ZEA. The ZEA sample consists of around 24,000 self-employed independent business owners, of which about 6,000 responded in 2017. (90)

The NEA is a household survey that, concurrently with the WEA and the ZEA, collects work-related injury data from employees each year. The NEA, like the WEA and the ZEA, asks questions not limited to occupational injuries, including questions on sexual harassment; discrimination; and work-related injuries, illnesses, and accidents. Workers who have additional self-employed work are included in the NEA, but workers who are solely self-employed fall exclusively under the ZEA. (91) The NEA was sent to approximately 144,000 people in 2015, of which over 40,000 responded (the actual response rate of the survey was 32 percent). (92) Since 2014, TNO has been experimenting with using lottery prize incentives to increase the response rate of the NEA. (93)

Germany

The German Federal Ministry of Labour and Social Affairs, which functions similarly to the U.S. Department of Labor, oversees the Federal Institute for Occupational Safety and Health (BAuA). Like the U.S. NIOSH, BAuA works to incorporate science into policy and corporate practice. Each German state has labor inspectorates responsible for monitoring and enforcing OSH legislation in conjunction with accident insurance institutions and inspectors. The German statutory workers' compensation accident social insurance, called German Social Accident Insurance (DGUV), is a key part of the German OSH surveillance system and is the primary source of OSH data. German OSH data are published by BAuA and are derived from national and state statistical offices.

German data published in English use the term "accident" in reference to instantaneous events; occupational diseases are adjudicated by physicians and expressly outlined in disease lists under German ordinance. (94) The scope of OSH data collection is defined by the German workers' compensation system, which has been in place for over a century. Work-related injury and illness data--derived from more than 100 different sources--are recorded by workers' compensation institutions to produce various statistics and indicators. The scope of the German accident insurance system is broader than that of a typical workers' compensation system. In the United States, a state-specific workers' compensation system would typically include only wage-earning workers. In Germany, that scope is extended to workers employed by a German company and to children educated in Germany from nursery school through university. Volunteers and those who have given blood are also covered by the DGUV and are thus countable. (95)

German reportable accidents are defined as work-related injuries that involve a fatality or incapacity leading to more than 3 days away from work. (96) Fatal accidents in DGUV data include those which occurred "within the year under review and within 30 days following the accident." (97) Accidents at school or on the way to or from school that lead to medical attention or fatality are also differentiated and included in reportable accident data. Commuting accidents are covered and counted under the German workers' compensation system. These practices differ notably from those in the United States: the CFOI has no time limitation for counting fatal accidents, and student and commuting accidents are not covered and counted in U.S. injury and illness data.

Analysis and dissemination

The analysis and dissemination of occupational injury information across nations may be set apart in a few ways. (See table 2 for an overview of available OSH data features, by nation.) For all nations, work-related injury data are categorized by severity and grouped into at least two injury types: fatal and nonfatal. Nonfatal cases are additionally categorized by some type of measure of injury duration or disability. BLS clusters nonfatal cases by injury severity, using a measure of median days away from work. Australian and U.K. data use the number of weeks out of work, in addition to median days away from work, to further classify the severity of nonfatal injuries. Another common severity grouping, used when compensation data are available, is by disability status. Classic groupings by employer, employee, and case circumstances are used across the cross section and vary in depth of classification among nations. Data on occupational diseases, which are distinctive in that they may involve multiple repeated events, are more difficult to collect in a noncompensation system. An important aspect of disseminating OSH data is the regulatory framework used by each nation to ensure safe working conditions. All nations count injuries and estimate occupational risk through incidence rates, taking into account the employment share of workers in certain industries or occupations. The size of a business, an enterprise, or an establishment--size usually measured by the number of employees--is a common variable in tabulating employer-sourced OSH data. For example, in BLS data on nonfatal injuries, establishment sizes are grouped categorically by number of employees. Germany has adopted a similar approach, grouping data by total company size, measured by the number of full-time employees. The terms enterprises or businesses, on the one hand, and establishments, on the other, are not perfect substitutes, because an establishment is a geographic location under an enterprise or a business. Occasionally, an establishment may be the only physical location for a particular business.

Worker characteristics captured in international OSH data include age, gender, race and ethnicity, length of service, occupation, employment status, and, in some circumstances, education. The first three characteristics are covered by nearly every nation, although race and ethnicity may be excluded or treated differently in certain cases. European countries use nationality instead of race and ethnicity in their data tabulations, and Japan uses neither. In BLS data, the term length of service refers to the period a particular worker was employed at an establishment at the time of injury and is not typically found in other national OSH data. In most instances, education variables are either not collected or collected but not published as part of regular dissemination. Most nations publish data under both industrial and occupational classifications, ensuring that, at a minimum, the injury is linked back to the industry in which the worker was employed. Employee-related data elements have increasingly focused on certain types of employees, including workers classified as contractors, volunteers, interns, foreign-born workers, and students, to name a few.

Detailed case circumstances and other special delineations among data elements are commonplace within the cross section of nations examined, although these characteristics could vary in depth. BLS uses the following characteristics to classify occupational injury and disease cases: nature of injury, part of body affected, source or secondary source of injury or illness, and event or exposure. (98) Canadian data follow closely the U.S. classification, whereas Australian data refer to sources as agents and to events as mechanisms. In the United Kingdom, sources are called agents or factors and events are called kinds. In Japan, published OSH data include case-circumstance elements called type and causes, which correspond to the U.S. terms event and source, respectively. New Zealand and Germany use a concept equivalent to the U.S. nature of injury, but refer to it as type.

Conclusion

An effective occupational safety and health surveillance system relies on data collection methods that produce quality data. How data are collected depends on the legal framework underlying a nation's OSH system and its health and workers' compensation system. Workers' compensation systems that cover a greater portion of the population (usually federalized systems) have an advantage in collecting certain types of data, particularly information on occupational diseases and illnesses with long latency periods. Illnesses and diseases with a long lag in symptom onset are difficult to capture with survey methods, because such methods typically use a fixed survey period that, unlike longitudinal approaches, does not follow workers over time. However, survey methods can be effective in collecting many types of OSH data that fall within a nation's legislative and design scope. For example, in the case of the United Kingdom and the Netherlands, surveys directed at workers rather than employers may be effective in eliciting normally difficult-to-collect information, such as illness data.

Comparing international OSH data is challenging because of differences in national OSH systems and their associated scopes, which are governed by different laws and regulations. For example, the BLS SOII counts all recordable injury cases but provides detailed data only for cases involving at least 1 day away from work. The amount of time away from work that is required for a nonfatal case to be counted varies across nations. For instance, in Japan and Germany, that time is 4 or more days away from work; in the United Kingdom, it is more than 7 days. (99) Even in the case of fatalities, there are subtle but important differences in scope, such as those related to how private and public workers are counted, whether or not commuting is work related, and how self-employed workers are counted. Because of these differences, cross-national comparisons must be conducted at higher industrial or occupational aggregations, only after careful scope harmonization and explanation. (100)

Tables

SUGGESTED CITATION

Thomas Tedone, "Counting injuries and illnesses in the workplace: an international review," Monthly Labor Review, U.S. Bureau of Labor Statistics, September 2017, https://doi.org/10.21916/mlr.2017.23.

NOTES

(1) Alexander D. Langmuir, "William Farr: founder of modern concepts of surveillance," International Journal of Epidemiology, vol. 5, no. 1, 1976, pp. 13-18.

(2) Edward L. Baker, James M. Melius, and J. Donald Millar, "Surveillance of occupational illness and injury in the United States: current perspectives and future directions," Journal of Public Health Policy, vol. 9, no. 2, 1988, pp. 198-221.

(3) Joseph P. Goldberg and William T. Moye, The first hundred years of the Bureau of Labor Statistics, Bulletin 2235 (U.S. Bureau of Labor Statistics, September 1995), https://www.bls.gov/opub/blsfirsthundredyears/100_years_of_bls.pdf.

(4) Occupational Safety and Health Act of 1970, Pub. L No. 91-596, 1970, https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=oshact&p_id=2743.

(5) Occupational Safety and Health Act of 1970, 29 U.S.C. [section] 673, 1970.

(6) Earl S. Pollack and Deborah Gellerman Keimig, eds., Counting injuries and illnesses in the workplace: proposals for a better system (Washington, DC: The National Academies Press, 1987), pp. 110-111, https://doi.org/10.17226/18911.

(7) Dino Drudi, "The quest for meaningful and accurate occupational health and safety statistics," Monthly Labor Review, December 2015, https://doi.org/10.21916/mlr.2015.53.

(8) Pollack and Keimig, Counting injuries and illnesses in the workplace, pp. 110-111.

(9) Ibid., pp. 59-60.

(10) "Developing a smarter national surveillance system for occupational safety and health in the 21st century," Project Information (The National Academies of Sciences, Engineering, and Medicine), https://www8.nationalacademies.org/cp/projectview.aspx?key=49775. The work of the National Academies is also sponsored by OSHA and the National Institute for Occupational Safety and Health.

(11) William J. Wiatrowski, "Examining the completeness of occupational injury and illness data: an update on current research," Monthly Labor Review, June 2014, https://doi.org/10.21916/mlr.2014.24.

(12) See Mathew M. Gunter, "An update on SOII undercount research activities," Monthly Labor Review, September 2016, https://doi.org/10.21916/mlr.2016.41; and Sara Wuellner and Polly Phipps, Employer-based work injury recordkeeping: data from four states (U.S. Bureau of Labor Statistics, March 2017), https://www.bls.gov/iif/four-state-data-report.pdf.

(13) Designing a household survey of injuries and illnesses (U.S. Bureau of Labor Statistics, December 9, 2016), https://www.bls.gov/iif/norc-final-report.pdf.

(14) Valentina Forastieri, "Improvement of working conditions and environment in the informal sector through safety & health measures" (Geneva: International Labour Organization, July 1999), http://www.ilo.org/wcmsp5/groups/public/---ed protect/---protrav/---safework/documents/publication/wcms_110306.pdf.

(15) Martti J. Karvonen and M. I. Mikheev, eds., Epidemiology of occupational health (Copenhagen: World Health Organization, Regional Office for Europe, 1986).

(16) See, for example, Cecil G. Helman, "Disease versus illness in general practice," The British Journal of General Practice, vol. 31, no. 230, September 1981, pp. 548-552, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1972172/; David Jennings, "The confusion between disease and illness in clinical medicine," Canadian Medical Association Journal, vol. 135, no. 8, October 1986, pp. 865-870, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1491493/; Ian R. McWhinney, "Health and disease: problems of definition," Canadian Medical Association Journal, vol. 136, no. 8, April 1987, p. 815, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1492121/; Harry E. Emson, "Health, disease and illness: matters for definition," Canadian Medical Association Journal, vol. 136, no. 8, April 1987, pp. 811-813, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1492114/; Kenneth M. Boyd, "Disease, illness, sickness, health, healing and wholeness: exploring some elusive concepts," Journal of Medical Humanities, vol. 26, no. 1, June 2000, pp. 9-17, http://www.ncbi.nlm.nih.gov/pubmed/12484312; and Jackie Leach Scully, "What is a disease?" EMBO Reports, vol. 5, no. 7, July 2004, pp. 650-653, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1299105/.

(17) Handbook of methods (U.S. Bureau of Labor Statistics), chapter 9, "Occupational safety and health statistics," https://www.bls.gov/opub/hom/pdf/homch9.pdf.

(18) David Walters, An international comparison of occupational disease and injury compensation schemes (Cardiff University, Cardiff Work Environment Research Centre, March 2007), https://www.gov.uk/government/uploads/system/uploads/attachment data/file/330347/InternationalComparisonsReport.pdf.

(19) Handbook of methods (U.S. Bureau of Labor Statistics), chapter 9, "Occupational safety and health statistics," https://www.bls.gov/opub/hom/pdf/homch9.pdf.

(20) "Occupational safety and health definitions," Injuries, Illnesses, and Fatalities (U.S. Bureau of Labor Statistics), https://www.bls.gov/iif/oshdef.htm.

(21) Improvement of national reporting, data collection and analysis of occupational accidents and diseases (Geneva: International Labour Organization, 2012), pp. 6-7, http://www.ilo.org/wcmsp5/groups/public/---ed_protect/---protrav/---safework/documents/publication/wcms_207414.pdf.

(22) See Census of Fatal Occupational Injuries summary, 2015, USDL-16-2304 (U.S. Department of Labor, December 16, 2016), https://www.bls.gov/news.release/cfoi.nr0.htm; and Nonfatal occupational injuries and illnesses requiring days away from work, 2015, USDL-16-2130 (U.S. Department of Labor, November 10, 2016), https://www.bls.gov/news.release/osh2.nr0.htm.

(23) Pollack and Keimig, Counting injuries and illnesses in the workplace, p. 2.

(24) "Regulations (Standards--29 CFR)" (Occupational Safety and Health Administration), https://www.osha.gov/pls/oshaweb/owasrch.search_form?p_doc_type=standards.

(25) "Regulations (Standards--29 CFR)" (Occupational Safety and Health Administration), "Recording and reporting occupational injuries and illness," www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=standards&p_id=12783.

(26) Occupational Safety and Health Act of 1970, Pub. L No. 91-596, 1970.

(27) Handbook of methods (U.S. Bureau of Labor Statistics), chapter 9, "Occupational safety and health statistics," https://www.bls.gov/opub/hom/pdf/homch9.pdf.

(28) "Scope of the Census of Fatal Occupational Injuries (CFOI)," Injuries, Illnesses, and Fatalities (U.S. Bureau of Labor Statistics), https://www.bls.gov/iif/cfoiscope.htm.

(29) "Research data" (Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health), http://www.cdc.gov/niosh/data/researchdata.html.

(30) "NORA sector agendas" (Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health), https://www.cdc.gov/niosh/nora/comment/agendas/default.html.

(31) "Worker health surveillance" (Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health), http://www.cdc.gov/niosh/topics/surveillance/data.html.

(32) "The outline of the Act (Act No. 82 of amendments of the Industrial Safety and Health Act June 25, 2014) making partial" (Japan Industrial Safety and Health Association), http://www.jisha.or.jp/english/act/pdf/act20140625 01.pdf.

(33) "Industrial Accident Prevention Organization Law" (Japan International Center for Occupational Safety and Health), https://www.jniosh.go.jp/icpro/jicosh-old/english/law/AccidentPreventionOrganization_Law/1.html.

(34) "JISHAs main activities" (Japan Industrial Safety and Health Association), http://www.jisha.or.jp/english/activities_jpn.html.

(35) "Industrial Safety and Health Law" (Japan International Center for Occupational Safety and Health), http://www.jniosh.go.jp/icpro/jicosh-old/english/law/IndustrialSafetyHealth_Law/1.htm.

(36) Richard E. Wokutch and Josetta S. McLaughlin, "The U.S. and Japanese work injury and illness experience," Monthly Labor Review, April 1992, pp. 3-11, https://www.bls.gov/opub/mlr/1992/04/art1full.pdf.

(37) "Survey on Industrial Accidents 2009," press release (Ministry of Health, Labour, and Welfare), http://www.mhlw.go.jp/english/database/db-l/dl/digest_of_summary_report_2009.pdf.

(38) "Survey on Industrial Accidents" (Ministry of Health, Labour, and Welfare), http://www.mhlw.go.jp/english/database/db-l/dl/outline_of_survey_2009.pdf.

(39) Wokutch and McLaughlin, "The U.S. and Japanese work injury and illness experience."

(40) "Industrial accidents statistics in Japan (2010)" (Japan Industrial Safety and Health Association), http://www.jisha.or.jp/english/statistics/accidents2010.html.

(41) "Special Survey on Industrial Safety and Health" (Ministry of Health, Labour and Welfare), http://www.mhlw.go.jp/english/database/db-slms/dl/slms-10.pdf.

(42) "National Work Injury/Disease Statistic Program (NWISP) data considerations" (Association of Workers' Compensation Boards of Canada), http://awcbc.org/?page id=4025.

(43) "Work injury statistics," OSH Answers Fact Sheets (Canadian Centre for Occupational Health and Safety), https://www.ccohs.ca/oshanswers/information/injury_statistics.html.

(44) "National Work Injury/Disease Statistic Program (NWISP) definitions" (Association of Workers' Compensation Boards of Canada), http://awcbc.org/?page id=4040.

(45) Ibid.

(46) "Understanding the Canadian workers' compensation system" (Crawford), http://web-files.crawco.com/extranet/CA/UnderstandingCanadianWorkersComp.pdf.

(47) Jaclyn Gilks and Ron Logan, "Occupational injuries and diseases in CANADA, 1996-2008: injury rates and cost to the economy" (Human Resources and Skills Development Canada, July 2010), p. 5. OSH surveillance systems based on workers' compensation have an advantage in collecting OSH data. However, when the compensation system is not federalized or centralized (as in the case of Canada), this advantage is partially lost because the scope, rules, and standards underlying the compensation system are not harmonized.

(48) "Brief summary of Canadian workers' compensation system" (International Actuarial Association, January 2010), http://www.actuaries.org/cttees_socsec/documents/canada_workers_comp.pdf.

(49) "Statistics" (Safe Work Australia), https://www.safeworkaustralia.gov.au/statistics-and-research/statistics/statistics.

(50) "Australian workers' compensation statistics 2013-14" (Safe Work Australia), https://www.safeworkaustralia.gov.au/collection/australian-workers-compensation-statistics.

(51) See Labour statistics: concepts, sources and methods (Australian Bureau of Statistics), chapter 22, "Multi-purpose household survey," http://www.abs.gov.au/ausstats/abs@.nsf/0/6B49F5106520A6A7CA2572C100244ACB?opendocument; and Work-related injuries, Australia, 2009-10 (Australian Bureau of Statistics), "Explanatory notes," http://wwwabs.govau/AUSSTATS/abs@.nsf/Lookup/6324.0Explanatory%20Notes12009-10?OpenDocument.

(52) "The Work Related Injuries Survey" (Australian Bureau of Statistics), http://www.abs.gov.au/AUSSTATS/abs@.nsf/DSSbyCollectionid/8B3DDDDB37A3EA58CA2572360079763F?opendocument.

(53) Work-related injuries, Australia, July 2013 to June 2014 (Australian Bureau of Statistics), "Explanatory notes," http://www.abs.govau/AUSSTATS/abs@.nsf/Lookup/6324.0Explanatory%20Notes1JUL%202013%20TO%20JUN%202014.

(54) Ibid.

(55) Erin M. Huband and Patrick Bobbitt, "Nonresponse bias in the Survey of Occupational Injuries and Illnesses," JSM 2013--Government Statistics Section (U.S. Bureau of Labor Statistics, October 2013), https://www.bls.gov/osmr/pdf/st130170.pdf.

(56) "Workers' compensation" (Safe Work Australia), https://www.safeworkaustralia.govau/workers-compensation.

(57) "Fatality statistics" (Safe Work Australia), https://www.safeworkaustralia.gov.au/statistics-and-research/statistics/fatalities/fatality-statistics.

(58) Work-related traumatic injury fatalities, Australia 2015 (Safe Work Australia, October 2016), p. 3, https://www.safeworkaustralia.gov.au/system/files/documents/1702/work-related-traumatic-injury-fatalities.pdf.

(59) See ibid. and "Scope of the Census of Fatal Occupational Injuries (CFOI)," Injuries, Illnesses, and Fatalities (U.S. Bureau of Labor Statistics), https://www.bls.gov/iif/cfoiscope.htm.

(60) "About the injury information manager" (Statistics New Zealand), http://www.stats.govt.nz/browse for stats/health/injuries/about-the-injury-information-manager.aspx.

(61) "Sources of work-related injury data" (WorkSafe New Zealand), http://www.worksafe.govt.nz/worksafe/research/health-and-safety-data/sources-of-work-related-injury-data.

(62) Occupational health and safety in New Zealand (Wellington: National Occupational Health and Safety Advisory Council, 2006), pp. 84-85, https://www.worksafe.govt.nz/worksafe/about/publications/nohsac-reports/technical-report-07.pdf.

(63) Serious injury outcome indicators--technical report 2014 (Statistics New Zealand, November 2014), p. 10, http://www.stats.govt.nz/~/media/Statistics/browse-categories/health/injuries/serious-injury-outcome-indicators/2013/serious-inj-outcome-ind-tech-report-2014.pdf.

(64) See "Sources of work-related injury data" (WorkSafe New Zealand), http://www.worksafe.govt.nz/worksafe/research/health-and-safety-data/sources-of-work-related-injury-data. A full list of data collection mechanisms is available in Occupational health and safety in New Zealand, p. 82.

(65) Ibid.

(66) "Health and Safety at Work Act 2015," New Zealand Legislation (Parliamentary Counsel Office), http://www.legislation.govt.nz/act/public/2015/0070/latest/DLM5976868.html.

(67) Ibid.

(68) "Health and Safety at Work etc Act 1974" (Health and Safety Executive), http://www.hse.gov.uk/legislation/hswa.htm.

(69) Assessment of compliance with the Code of Practice for Official Statistics: statistics on health and safety at work, Assessment Report 261 (U.K. Statistics Authority, September 2013), http://www.hse.gov.uk/statistics/pdf/2013-assessment-report.pdf?pdf=2013-assessment-report.

(70) "Data sources" (Health and Safety Executive), http://www.hse.gov.uk/statistics/sources.htm.

(71) Ibid.

(72) "Table of preferred sources for injuries and ill health" (Health and Safety Executive), http://www.hse.gov.uk/statistics/preferred-data-sources.htm.

(73) "Reporting injuries, diseases and dangerous occurrences in health and social care: guidance for employers," HSE information sheet (Health and Safety Executive, October 2013), p. 2, http://www.hse.gov.uk/pubns/hsis1.pdf.

(74) "Types of reportable incidents" (Health and Safety Executive), http://www.hse.gov.uk/riddor/reportable-incidents.htm.

(75) Ibid.

(76) "Data sources" (Health and Safety Executive, first published November 2016), p. 3, http://www.hse.gov.uk/statistics/sources.pdf.

(77) See "What the law says" (Health and Safety Executive), http://wwwhse.govuk/self-employed/what-the-law-says.htm; and Ragnar E. Lofstedt, Reclaiming health and safety for all: an independent review of health and safety legislation (Department of Work and Pensions, November 2011), https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/66790/lofstedt-report.pdf.

(78) "High risk activities" (Health and Safety Executive), http://www.hse.gov.uk/self-employed/high-risk-activities.htm.

(79) "Data sources" (Health and Safety Executive, first published November 2016), http://www.hse.gov.uk/statistics/sources.pdf.

(80) J. R. Jones, J. T. Hodgson, and S. Webster, Follow-up and assessment of self-reports of work-related illness in the Labour Force Survey Research Report RR970 (Health and Safety Executive, 2013), http://www.hse.gov.uk/research/rrpdf/rr970.pdf.

(81) "Directive 89/391/EEC--OSH 'Framework Directive'" (European Agency for Safety and Health at Work), https://osha.europa.eu/en/legislation/directives/the-osh-framework-directive/1.

(82) "Accidents at work & work-related health problems" (Eurostat), http://ec.europa.eu/eurostat/web/health/health-safety-work.

(83) "Sixth European Working Conditions Survey: 2015" (European Foundation for the Improvement of Living and Working Conditions), http://www.eurofound.europa.eu/surveys/european-working-conditions-surveys/sixth-european-working-conditions-survey-2015.

(84) "EWCS 2015--methodology" (European Foundation for the Improvement of Living and Working Conditions), https://www.eurofound.europa.eu/surveys/european-working-conditions-surveys/sixth-european-working-conditions-survey-2015/ewcs-2015-methodology.

(85) See "Organizational structure" (Ministry of Social Affairs and Employment), https://www.government.nl/ministries/ministry-of-social-affairs-and-employment/contents/organisational-structure; and "What does the Inspectorate SZW do?" (The Inspectorate SZW), https://www.government.nl/documents/leaflets/2012/08/08/what-does-the-inspectorate-szw-do.

(86) "OSH in the Netherlands" (European Agency for Safety and Health at Work), https://www.arboineuropa.nl/en/arbo-in-the-netherlands.

(87) "Monitoring work & employment by TNO" (TNO), http://www.monitorarbeid.tno.nl/english/english.

(88) "Mission," Occupational Diseases (Netherlands Center for Occupational Diseases), https://www.occupationaldiseases.nl/content/mission.

(89) "WEA" (TNO), http://www.monitorarbeid.tno.nl/databronnen/wea/wea.

(90) "ZEA Self-Employed Labour Survey" (TNO), http://www.monitorarbeid.tno.nl/english/our-surveys/zea.

(91) Nationale Enquete Arbeidsomstandigheden 2015 (TNO, 2016), p. 29, http://www.monitorarbeid.tno.nl/dynamics/modules/SPUB0102/view.php?pub_Id=100389&att_Id=4911.

(92) Ibid., p. 38.

(93) Ibid., pp. 31-32.

(94) DGUV statistics 2014: figures and long-term trends (DGUV), http://www.dguv.de/medien/inhalt/zahlen/documents/dguvstatistiken2014e.pdf.

(95) In good hands: your German Social Accident Insurance (DGUV), pp. 18-19, http://publikationen.dguv.de/dguv/pdf/10002/dguvingutenhaenden-eng.pdf.

(96) DGUV statistics 2014: figures and long-term trends (DGUV), p. 9, http://www.dguv.de/medien/inhalt/zahlen/documents/dguvstatistiken2014e.pdf.

(97) "Definition of terms" (DGUV), http://www.dguv.de/en/facts-figures/definitions-terms/index.jsp.

(98) Occupational injury and illness classification manual (U.S. Bureau of Labor Statistics, January 2012), https://www.bls.gov/iif/oiics_manual_2010.pdf.

(99) See "Industrial accidents statistics in Japan (2010)" (Japan Industrial Safety and Health Association), http://www.jisha.or.jp/english/statistics/accidents2010.html; and DGUV Statistics 2014: figures and long-term trends (DGUV), http://www.dguv.de/medien/inhalt/zahlen/documents/dguvstatistiken2014e.pdf.

(100) William Wiatrowski and Jill Janocha, "Comparing fatal work injuries in the United States and the European Union," Monthly Labor Review, June 2014, https://doi.org/10.21916/mlr.2014.23.

RELATED CONTENT

Related Articles

The quest for meaningful and accurate occupational health and safety statistics, Monthly Labor Review, December 2015.

Comparing fatal work injuries in the United States and the European Union, Monthly Labor Review, June 2014.

Examining the completeness of occupational injury and illness data: an update on current research, Monthly Labor Review, June 2014.

The U.S. and Japanese work injury and illness experience, Monthly Labor Review, April 1992.

Thomas S. Tedone

tedone.thomas@bls.gov

Thomas S. Tedone is an economist in the Office of Safety, Health, and Working Conditions, U.S. Bureau of Labor Statistics.
Table 1. Cross section of occupational safety and health (OSH) data
systems, by selected nations and scope features

Scope features   United States                      Canada
                 Nonfatal          Fatal            Nonfatal, fatal

                                                    (Reg/Sta)
                                                    Association of
Key OSH                                             Workers'
organizations                                       Compensation
by role: (Reg)    (Reg/Enf) Occupational Safety     Boards of
Regulator;        and Health Administration         Canada; (Res)
(Enf)             (OSHA); (Sta) U.S. Bureau of      Canadian
Enforcement;      Labor Statistics; (Res) National  Centre for
(Sta)             Institute for Occupational        Occupational
Statistical;      Safety and Health                 Health and
(Res)                                               Safety; (Enf)
Research                                            varies by
                                                    province or
                                                    territory

Data source(s),  Survey            Census           Compensation
scheme(s)                          database


                                                    Accepted time-loss
                                                    injuries or
                                                    disabilities for
                 OSHA-defined                       which the worker
                 recordable                         is compensated
                 cases and all     Data include     for lost time are
                 recordable        traumatic        included. Claims
                 injuries are      injuries         with no time loss
Scope            counted.          fulfilling a     are excluded.
overview         Detailed case-    work-            Each province or
                 circumstance      relationship     territory has its
                 data require      criteria.        own workers'
                 minimum of 1                       compensation
                 day away from                      legislation,
                 work.                              policy, and
                                                    operating
                                                    procedures.





                                                    Self-employed
                                                    workers opting
                                                    for coverage are
                 Self-employed                      included.
                 workers and       Self-employed    Volunteer
                 workers on        workers          coverage varies
Employment       farms with        volunteers,      by province or
scope            fewer than 11     and military     territory.
                 employees are     personnel are    Industrial
                 excluded.         included.        /occupational
                                                    coverage varies
                                                    by province or
                                                    territory.




                 Yes
                 (limitations
                 collecting
Illnesses and    illness and       No               Yes
diseases         disease data
                 given survey
                 design and
                 data source)
                                   Fatal events
                                   or exposures
                                   that occurred
                 Injuries are not  during a
                 recordable        person's
                 until the work    commute to or
                 commute           from work are    Workers'
                 ends. Also not    out of scope,    compensation
                 counted are       unless the       board
                 injuries arising  incident         determines if the
                 from motor        occurred on      worker's injury
Commuting        vehicle           the              was actually
and travel       accidents that    employer's       related to the job
                 occur on a        premises.        (usually defined
                 company           Injuries are in  in legislation as
                 parking lot or    scope if the     "in the course of
                 access road       travel was for   employment").
                 while             work
                 commuting to      purposes
                 or from work.     (except
                                   recreational
                                   activities) or
                                   condition of
                                   employment.
                 Federal
                 government is
                 excluded.         Federal, state,
                 State and local   and local
Government       government        governments      Yes
                 exclusions        are included.
                 vary by state
                 law.


Scope features   Australia          New Zealand
                 Nonfatal, fatal    Nonfatal, fatal



Key OSH
organizations
by role: (Reg)
Regulator;                          (All) WorkSafe
(Enf)            (All) Safe Work    New Zealand;
Enforcement;     Australia          (Sta) Statistics
(Sta)                               New Zealand
Statistical;
(Res)
Research


                 Compensation,      Compensation,
Data source(s),  survey, census     regulatory
scheme(s)        database           reporting


                                    Data include
                                    only serious/severe
                                    injuries.
                 Scope              Definitions and
                 limitations vary   scope vary by
                 by data source     source. Worker
                 and data type.     injuries resulting
                 Compensation       from natural
Scope            data include       causes are
overview         only accepted      excluded.
                 serious claims     Suicides and
                 resulting in 1 or  intentional
                 more weeks         self-harm are
                 away from work.    included.
                                    Maritime or
                                    aviation fatalities
                                    are excluded.





                                    Unpaid and
                                    volunteer
                                    workers are
                                    excluded.
                 Self-employed      Injuries on farms
                 workers are        may not be
Employment       excluded from      counted.
scope            workers'           Self-employed
                 compensation.      workers not
                                    employing
                                    others are
                                    included in
                                    compensation
                                    data






Illnesses and    Yes                Yes
diseases










                 All injuries
                 experienced        Injuries resulting
                 while travelling   from someone
                 to or from work    else's activity or
Commuting        or while on a      experienced
and travel       break away         while
                 from the           communting to
                 workplace are      or from work are
                 excluded.          excluded.








                 Claims lodged      Workers of a
                 by police in       New Zealand
                 Western            organization
                 Australia and      (e.g., defense
Government       military           forces and
                 personnel of the   police) who are
                 Australian         injured outside
                 Defense Forces     of New Zealand
                 are excluded.      are excluded.

Scope features   United Kingdom       Japan
                 Nonfatal, fatal      Nonfatal, fatal



Key OSH
organizations
by role: (Reg)   (All) Health and
Regulator;       Safety Executive;    (All) Ministry of
(Enf)            (Sta) U.K.           Health, Labour,
Enforcement;     Statistics           and Welfare
(Sta)            Authority
Statistical;
(Res)
Research


                 Compensation,
Data source(s),  surveys,             Compensation,
scheme(s)        regulatory           survey
                 reporting
                 Data include
                 death of any
                 person and
                 specified injuries
                 to workers,          Data include
                 injuries to          injuries involving
                 workers that         an absence of 4
                 result in worker     or more days.
                 incapacitation for   Surveyed
Scope            more than 7          establishments,
overview         days, injuries to    except those in
                 nonworkers that      construction,
                 result in            have a minimum
                 hospitalization for  of 10
                 treatment, and       employees.
                 specified injuries
                 to nonworkers
                 that occur on
                 hospital
                 premises.






                                      Self-employed
                 Self-employed        workers are
                 workers except       excluded from
Employment       those subject to     surveys, but
scope            specific             may be included
                 exemptions, are      under workers'
                 included.            compensation.








                 Yes (coverage
                 varies by
Illnesses and    occupational         Yes
diseases         illness and
                 disease)









                                      Workers'
                                      compensation
                                      system grants
                 The case should      compensation
Commuting        meet "reportable"    benefits for
and travel       criteria.            commuting
                                      accidents that
                                      are closely
                                      related to the
                                      job.











Government       Yes                  Yes





Scope features   Germany                 Netherlands
                 Nonfatal, fatal         Nonfatal, fatal


                                         (Reg/Enf)
Key OSH          (Reg/Sta) DGUV          Ministry of
organizations    (Deutsche               Social Affairs
by role: (Reg)   Gesetzliche             and
Regulator;       Unfallversicherung);    Employment;
(Enf)            (Enf) Federal Ministry  (Sta/Res)
Enforcement;     of Labour and Social    TNO;
(Sta)            Affairs; (Res) Federal  (Sta/Res)
Statistical;     Institute for           Netherlands
(Res)            Occupational Safety     Center for
Research         and Health              Occupational
                                         Diseases


Data source(s),  Compensation,           Survey, census
scheme(s)        survey                  database





                                         Netherlands
                                         Working
                                         Conditions
                                         Survey:
                 Data include injuries   Accidents at
Scope            involving an absence    work with only
overview         of 4 or more days.      natural causes,
                                         such as a
                                         heart attack or
                                         a stroke, do
                                         not count.





                                         Employers
                                         Labour Survey:
                                         all Dutch
                                         enterprises of
                                         profit and
                                         nonprofit
                                         companies and
                                         institutions with
                                         at least two
Employment       Self-employed           employees;
scope            workers are included.   Netherlands
                                         Working
                                         Conditions
                                         Survey:
                                         employees
                                         ages 15 to 64;
                                         Self-Employed
                                         Labour Survey:
                                         self-employed
                                         workers



Illnesses and    Yes                     Yes
diseases










                                         Netherlands
                                         Working
                                         Conditions
                 Commuting accidents     Survey:
Commuting        are included if         Industrial
and travel       incapacity lasted       accidents
                 longer than 3 days.     during
                                         commuting to
                                         or from work
                                         do not count.











Government       Yes                     Yes




Table 2. Cross section of occupational safety and health data systems,
by selected nations and data features or dimensions

Data features
or dimensions                         United States

                                      Nonfatal   Fatal

                 Release              Annual     Annual
                 schedule(s)
                                      Counts,
                 Published units      rates,     Counts,
                 of measure           medians    rates



                                      Summary reports with
                                      extensive published data
                 Description of       available through
                 regularly            website tables and
Data overview    published data       database applications;
                                      more complex queries
                                      available upon request


                 Custom data and
                 cost, if applicable  Free       Free

                 Microdata
                 availability (may    Yes        Yes
                 vary by data
                 source)
                 Industry or          Yes        Yes
                 economic activity
                 Enterprise or
                 establishment        Yes        Yes
Employer         size
characteristics                                  National,
                 Geographic,                     state,
                 administrative       National,  Metropolitan
                 levels               state      Statistical
                                                 Area
                 Age                  Yes        Yes
                 Gender               Yes        Yes
                 Race, ethnic         Yes        Yes
                 origin, nationality
                 Length of
                 service, job         Yes        Yes
Worker           tenure
characteristics  Occupation           Yes        Yes
                 Employment
                 status (part time,   No         Yes
                 full time
                 contractor, etc.)
                 Education            No         No
                 Severity, injury     Yes        Not
                 length, disability              applicable
                 Nature of injury     Yes        Yes
                 or illness
Case             Part of body         Yes        Yes
characteristics  affected
                 Source of injury     Yes        Yes
                 or illness
                 Event of injury or   Yes        Yes
                 illness
                 Musculoskeletal
                 disorder/            Yes        Not
                 repetitive                      applicable
                 movement
Other            Mental health
                 (e.g., stress,       Yes        No
                 depression,
                 anxiety)
                 Cost estimates       No         No

Data features
or dimensions    Canada         Australia     New Zealand
                 Nonfatal,      Nonfatal,
                 fatal          fatal         Nonfatal, fatal

                 Annual         Annual        Annual,
                                              monthly
                                Counts,
                 Counts,        rates,        Counts, rates
                 rates          medians

                 Small          Summary
                 number of      reports and   Published
                 summary
                 tables         data tables;  data available
                 available for  custom        through
                 free; more     query         website
Data overview    extensive      options       tables and
                 report         available     database
                 available for  upon          applications
                 a fee          request

                 $75            Fee-for-      $115
                 minimum        service       minimum
                                basis

                 Yes            Yes           Yes


                 Yes            Yes           Yes


                 No             No            No
Employer
characteristics
                 National,      National,
                 province,      state,        National,
                 territory      territory     region

                 Yes            Yes           Yes
                 Yes            Yes           Yes
                 No             No            Yes


                 No             No            No
Worker
characteristics  Yes            Yes           Yes

                 No             No            Yes


                 No             No            No
                 Yes            Yes           Yes

                 Yes            Yes           Yes

Case             Yes            Yes           Yes
characteristics
                 Yes            Yes           No

                 Yes            Yes           No


                 Yes            Yes           Yes


Other
                 Yes            Yes           Yes


                 Yes            Yes           Yes

Data features    United
or dimensions    Kingdom          Japan             Germany
                                                    Nonfatal,
                 Nonfatal, fatal  Nonfatal, fatal   fatal

                 Annual           Annual            Annual

                 Counts,
                 rates, 3-year    Counts, rates     Counts,
                 averages                           rates
                                  Published in
                                  Japanese by the
                                  Ministry of
                 Extensive        Health, Labour,
                 summary          and Welfare;      Extensive
                 reports and      translated and    published
                 data that        republished in    report with
Data overview    vary by          English by the    summary
                 source           Japan Industrial  data tables
                                  Safety and
                                  Health
                                  Association
                 Pay for
                 commercial       No                No
                 purposes

                 Yes              No                Yes


                 Yes              Yes               Yes


                 Yes              Yes               Yes
Employer
characteristics

                 National,        National,         National,
                 region           prefecture        state

                 Yes              Yes               Yes
                 Yes              No                Yes
                 No               No                Yes


                 No               No                No
Worker
characteristics  Yes              No                Yes

                 Yes              No                Yes


                 No               No                No
                 Yes              Yes               Yes

                 Yes              Yes               Diseases
                                                    only
Case             Yes              No                Diseases
characteristics                                     only
                 No               Yes               Diseases
                                                    only
                 Yes              Yes               Diseases
                                                    only

                 Yes              No                Yes


Other
                 Yes              Yes               Yes


                 Yes              No                Yes

Data features
or dimensions    Netherlands
                 Nonfatal,
                 fatal

                 Annual


                 Counts,
                 rates



                 Summary
                 report and
                 additional
                 data
Data overview    available on
                 website




                 No


                 Yes


                 Yes


                 Yes
Employer
characteristics

                 National,
                 province

                 Yes
                 Yes
                 Yes


                 No
Worker
characteristics  Yes

                 Yes


                 Yes
                 Yes

                 Yes

Case             Yes
characteristics
                 No

                 Yes


                 Yes


Other
                 Yes


                 Yes

Notes: Prices are in host-nation currency. Comparability of
case-characteristic classifications across nations is approximate; in
some instances, multiple case characteristics may be represented by a
combined single dimension. Case-characteristic dimensions are based on
the Occupational Injury and Illness Classification System of the U.S.
Bureau of Labor Statistics.
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Article Details
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Author:Tedone, Thomas S.
Publication:Monthly Labor Review
Geographic Code:1USA
Date:Sep 1, 2017
Words:11581
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