What proportion of South Australian adult non-vegetarians hold similar beliefs to vegetarians?
(Nutr Diet 2004;61:11-21)
Objective: The aim of this study was to determine the proportion of non-vegetarians with similar beliefs as vegetarians, and to examine their personal characteristics.
Design: Mail survey on meat and vegetarianism vegetarianism, theory and practice of eating only fruits and vegetables, thus excluding animal flesh, fish, or fowl and often butter, eggs, and milk. In a strict vegetarian, or vegan, diet (i.e. beliefs, personal values and information sources.
Subjects and setting: One thousand people were randomly selected from the South Australian Australian
pertaining to or originating in Australia.
Australian bat lyssavirus disease
see Australian bat lyssavirus disease.
Australian cattle dog
a medium-sized, compact working dog used for control of cattle. population via the telephone directory. Approximately 600 questionnaires were obtained (71% of those able to be contacted participated). An additional non-random survey of 106 vegetarians and semi-vegetarians was conducted, totalling 707 participants.
Main outcome measures: (1) Identification of the proportion of non-vegetarian respondents In the context of marketing research, a representative sample drawn from a larger population of people from whom information is collected and used to develop or confirm marketing strategy. with similar beliefs as vegetarians ('cognitive vegetarians'); (2) Examination of their personal characteristics and a comparison with vegetarians and the remaining non-vegetarians (e.g. meat consumption, interest in vegetarianism, personal values, use of and trust in information sources).
Statistical analyses: Categorical That which is unqualified or unconditional.
A categorical imperative is a rule, command, or moral obligation that is absolutely and universally binding.
Categorical is also used to describe programs limited to or designed for certain classes of people. principal components analysis was performed and a plot of object points labelled by dietary group identified cognitive vegetarians. The characteristics of cognitive vegetarians, vegetarians and the remaining non-vegetarians were examined using cross-tabulation analyses.
Results: We found that 15% of non-vegetarians shared similar beliefs about meat and vegetarianism as vegetarians. Cognitive vegetarians formed a distinct group, e.g. they were less likely than the remaining non-vegetarians to eat red meat as frequently or identify as Anglo-Australian, but were more likely to be female and interested in vegetarianism.
Conclusion: A significant proportion of the population may be susceptible to the promotion of vegetarianism and, hence, plant-based diets. This has implications for health professionals and promoters PROMOTERS. In the English law, are those who in popular or penal actions prosecute in. their own names and the king's, having part of the fines and penalties. of plant-based and vegetarian vegetarian /veg·e·tar·i·an/ (vej?e-tar´e-an)
1. one who practices vegetarianism.
2. pertaining to vegetarianism.
One who practices vegetarianism. diets.
Key words: vegetarian diet, social psychology, meat, questionnaires, Australia
Vegetarianism is a dietary practice that incorporates a multitude of interrelated in·ter·re·late
tr. & intr.v. in·ter·re·lat·ed, in·ter·re·lat·ing, in·ter·re·lates
To place in or come into mutual relationship.
in attitudes, beliefs and nutritional behaviours. A vegetarian diet excludes meat, fish and seafood seafood
Edible aquatic animals excluding mammals, but including both freshwater and ocean creatures. Seafood includes bony and cartilaginous fishes, crustaceans, mollusks, edible jellyfish, sea turtles, frogs, sea urchins, and sea cucumbers. . However, there are some people who identify as 'vegetarian' despite including some animal flesh (particularly fish and fowl) in their diet. In addition, some people who eat comparatively small amounts of meat or fish refer to themselves as 'semi-vegetarian' (i.e. a low meat consumer). Estimates of the prevalence of vegetarianism vary from country to country. Epidemiological epidemiological
emanating from or pertaining to epidemiology.
the associative relationships between the frequency of occurrence of a disease and its determinants, its predisposing and precipitating data are missing, but public opinion polls and other surveys indicate that 2.5% of the USA population (1), 3.7% of Australians (2), and 5.0% of the British population are vegetarian (3). There is some evidence that the prevalence of vegetarianism may be increasing. For example, in the USA 1% of the population was reported as being vegetarian in 1997 (4), while 2.1% of the British population identified as vegetarian in 1984 (5).
Although the numbers of vegetarians are at present relatively low, it appears that many more people choose not to eat meat--or at least some kinds of meat--to some extent. There has been a decrease in the consumption of red meat in recent years (6,7) and a study in the USA found that 57% of the population consume a vegetarian meal sometimes, often or always when eating out (8).
Diets that emphasise greater consumption of plant foods are increasingly being recognised by researchers and government and health organisations as providing important health benefits (9-12). Diets that emphasise plant foods usually contain low levels of saturated fat saturated fat, any solid fat that is an ester of glycerol and a saturated fatty acid. The molecules of a saturated fat have only single bonds between carbon atoms; if double bonds are present in the fatty acid portion of the molecule, the fat is said to be , cholesterol and animal protein, and are high in folate folate /fo·late/ (fo´lat)
1. the anionic form of folic acid.
2. more generally, any of a group of substances containing a form of pteroic acid conjugated with l-glutamic acid and having a variety of substitutions. , antioxidants Antioxidants
Substances that reduce the damage of the highly reactive free radicals that are the byproducts of the cells.
Mentioned in: Aging, Nutritional Supplements
n. , fibre, carotenoids Carotenoids
Carotenoids are yellow to deep-red pigments.
Mentioned in: Vitamin A Deficiency
carotenoids (k and phytochemicals (9). A number of studies have shown that, compared to non-vegetarians, vegetarians have a lower mean body mass index and plasma total cholesterol concentration (10,13-15), and mortality from ischaemic heart disease Ischaemic (or ischemic) heart disease, or myocardial ischemia, is a disease characterized by reduced blood supply to the heart. It is the most common cause of death in most western countries.
Ischaemia means a "reduced blood supply". is decreased by about a quarter (10).
Vegetarian diets can provide adequate amounts of essential amino acids essential amino acid
An alpha-amino acid that is required for protein synthesis but cannot be synthesized by humans and must be obtained in the diet. , iron, vitamin B vitamin B
1. Vitamin B complex.
2. A member of the vitamin B complex, especially thiamine.
vitamin B, vitamin B complex
a group of water-soluble substances described separately. 12, calcium, vitamin D vitamin D
Any of a group of fat-soluble alcohols important in calcium metabolism in animals to form strong bones and teeth and prevent rickets and osteoporosis. It is formed by ultraviolet radiation (sunlight) of sterols (see steroid) present in the skin. and zinc zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58°C;; b.p. 907°C;; sp. gr. 7.133 at 25°C;; valence +2. Zinc is a lustrous bluish-white metal. It is found in Group 12 of the periodic table. at all stages of the life cycle, but they must be well planned (9). They should include sufficient quantities of a variety of fruits, vegetables, legumes Legumes
A family of plants that bear edible seeds in pods, including beans and peas.
Mentioned in: Cholesterol, High
legumes (l , nuts, seeds and grains (16,17). In addition, low-fat dairy products dairy products dairy npl → produits laitier
dairy products dairy npl → Milchprodukte pl, Molkereiprodukte pl and eggs are useful sources of nutrients such as calcium and protein. Poorly planned vegetarian diets may entail entail, in law, restriction of inheritance to a limited class of descendants for at least several generations. The object of entail is to preserve large estates in land from the disintegration that is caused by equal inheritance by all the heirs and by the ordinary the risk of not meeting the needs for some nutrients, particularly iron, zinc, and vitamin B12 (18). Although mean serum ferritin ferritin /fer·ri·tin/ (-i-tin) the iron-apoferritin complex, one of the chief forms in which iron is stored in the body.
n. levels are lower in vegetarians than non-vegetarians, clinical anaemia anaemia
see anemia. does not appear to be more common among vegetarians (18,19), at least in western countries (20).
While the proportion of people with established vegetarian practice is known, there appears to be little information about the individuals who consume omnivorous omnivorous
eating both plant and animal foods. diets who hold similar beliefs about meat and vegetarian diets as vegetarians. The current and future practices of these individuals have implications for health status, food consumption patterns and the food industry.
One thousand South Australians were selected at random by utilising the Marketing Pro software package (Desktop Marketing Systems Pty Ltd PTY LTD Propriety Limited (company structure in Australia) , Melbourne, Marketing Pro, April 1999) containing a comprehensive list of South Australian residences from the telephone directory, in the form of names, addresses and telephone numbers. A 12-page booklet was mailed to each person in the sample together with a cover letter and reply-paid envelope. Dillman's recommended survey methods formed the basis of the questionnaire format and administration (21). A number of follow-up follow-up,
n the process of monitoring the progress of a patient after a period of active treatment.
follow-up plan reminders were mailed to the sample to ensure the highest possible response rate, as described elsewhere (22).
A non-random sample (n = 106) of vegetarians and semi-vegetarians was also included in the survey because there was only a small number of vegetarians (n = 9) present in the random sample. The sample was selected by advertising in vegetarian cafes and restaurants, health food stores, by handing out questionnaires at an environmental fair at the University of Adelaide Its main campus is located on the cultural boulevard of North Terrace in the city-centre alongside prominent institutions such as the Art Gallery of South Australia, the South Australian Museum and the State Library of South Australia. , and by word-of-mouth publicity.
The study was conducted in accordance Accordance is Bible Study Software for Macintosh developed by OakTree Software, Inc.
As well as a standalone program, it is the base software packaged by Zondervan in their Bible Study suites for Macintosh. with the guidelines guidelines,
n.pl a set of standards, criteria, or specifications to be used or followed in the performance of certain tasks. of the University of Adelaide Human Ethics Committee ethics committee A multidisciplinary hospital body composed of a broad spectrum of personnel–eg, physicians, nurses, social workers, priests, and others, which addresses the moral and ethical issues within the hospital. See DNR, Institutional review board. .
The pilot was formulated for·mu·late
tr.v. for·mu·lat·ed, for·mu·lat·ing, for·mu·lates
a. To state as or reduce to a formula.
b. To express in systematic terms or concepts.
c. through an iterative it·er·a·tive
1. Characterized by or involving repetition, recurrence, reiteration, or repetitiousness.
2. Grammar Frequentative.
Noun 1. process that was generated through interviews with 15 vegetarians, from the literature (23-26), and from existing food choice questionnaires. The latter were an Australian survey on meat consumption and attitudes (27); the Institute of European European
emanating from or pertaining to Europe.
European bat lyssavirus
European beech tree
see cryptococcosis. Food Studies (IEFS IEFS International Energy Forum Secretariat
IEFS International Exotic Feline Sanctuary ) European Union European Union (EU), name given since the ratification (Nov., 1993) of the Treaty of European Union, or Maastricht Treaty, to the
European Community survey on attitudes to food, health and nutrition (28); and New Zealand New Zealand (zē`lənd), island country (2005 est. pop. 4,035,000), 104,454 sq mi (270,534 sq km), in the S Pacific Ocean, over 1,000 mi (1,600 km) SE of Australia. The capital is Wellington; the largest city and leading port is Auckland. and Australian surveys of concerns about food (29).
The questionnaire contained several sections including:
1. Beliefs about meat (20 items) were measured, with some items being based on the Worsley et al. questionnaire (27). Respondents answered by indicating their level of agreement with each belief on a five-point Likert-type scale, ranging between 'strongly disagree' and 'strongly agree'. Some examples of the belief statements are: 'I love to eat red meat such as beef, veal veal, flesh of a calf from two to three months old weighing usually less than 300 lb (135 kg). The locomotion of the veal calves is often restricted, and they are fed a real or synthetic milk that is high in protein and low in iron; this produces the desired or lamb'; 'Meat is necessary in the adult human diet'; 'Meat causes cancer'; and 'Meat production is cruel to animals'. Table 1 lists the complete set of belief items.
2. Perceived benefits of vegetarian diets (24 items) were assessed, parts of which were modelled on the IEFS survey (28). Respondents specified their level of agreement or disagreement with each benefit on a five-point scale. Some of the benefits were: 'Control my weight'; 'Eat more fruit and vegetables'; 'Help animal welfare/rights'; and 'Lower my chances of getting food poisoning' (see Table 2 for the full list of items).
3. Personal barriers to vegetarian diets (27 items) were measured, some of which were modelled on the IEFS survey (28). Respondents indicated their level of agreement or disagreement with each barrier on a five-point scale. Barriers included: 'There is not enough iron in vegetarian diets'; 'I like eating meat'; 'There is too limited a choice when I eat out'; and 'I lack the right cooking skills' (see Table 3 for a complete list of the items).
The remaining sections were about respondents' frequency of use of and trust in sources of information about food, nutrition and health; recall of promotion of meat and vegetarianism by these information sources; self-identified dietary status (vegetarian, semi-vegetarian, non-vegetarian), (e.g. 'Are you a vegetarian now? Please circle one number. 1. No. 2. Yes. 3. I normally think of myself as being a semi-vegetarian.'). Items about vegetarianism in general included number of vegetarian friends and family and likelihood of becoming vegetarian in the future; beliefs about nutrition; frequency of consumption of meat and other animal products. Demographic variables included sex, age, education, occupational status and income; food and health concerns (based on Worsley and Scott (29); and personal values (based on Schwartz's Values Invetory (26)). Values may be defined as lasting beliefs about desirable goals that function as guiding principles in life (26,31). Some examples of the values included in the questionnaire are 'Protecting the environment', 'A varied life', and 'Respect for tradition' (26). The food and health concerns included 'Clean handling of food in shops', 'The irradiation irradiation /ir·ra·di·a·tion/ (i-ra?de-a´shun)
2. the dispersion of nervous impulse beyond the normal path of conduction.
3. of foods', 'Driftnet fishing', 'Genetic modification of foods', and 'Poverty in Australia'.
Note that, as reported previously by the authors (30), the question on frequency of consumption of meat allowed an examination of the relationship between self-perceived vegetarian status and actual (reported) behaviour. Self-identified semi-vegetarians had lower meat consumption than non-vegetarians (e.g. 49% ate red meat rarely or never compared to 4% of non-vegetarians) and the majority (85%) of self-identified vegetarians never ate meat, fish or seafood. As reported in Figure 2, 97% of self-identified vegetarians never ate red meat, while 3% rarely ate it. With white meat, 95% of self-identified vegetarians never ate it and 5% rarely ate it; while 85% never ate fish or seafood, 9% rarely ate it, 5% ate it one to three times per month, and 1% ate it one to four times per week.
Categorical principal components analysis (CATPCA) was performed on the correspondents' responses to three sections of the questionnaire, namely beliefs about meat, barriers to vegetarian diets and benefits of vegetarian diets. CATPCA is a multivariate The use of multiple variables in a forecasting model. statistical technique that quantifies categorical variables and reduces data dimensions. Object principal normalisation 1. (data processing) normalisation - A transformation applied uniformly to each element in a set of data so that the set has some specific statistical property. For example, monthly measurements of the rainfall in London might be normalised by dividing each one by the total was used to normalise Verb 1. normalise - become normal or return to its normal state; "Let us hope that relations with this country will normalize soon"
change - undergo a change; become different in essence; losing one's or its original nature; "She changed completely the object scores and the variables, as this method is useful for identifying any differences or similarities between objects (i.e. between cases). A plot of object points labelled by dietary group (self-identified vegetarian, n = 103; self-identified semi-vegetarian, n = 55; self-identified non-vegetarian, n = 546; an additional three respondents did not complete the question on dietary status although from the items on frequency of meat consumption they could be classified as non-vegetarian) was obtained. We employed data provided by individuals as to whether or not they identified themselves as belonging to a particular dietary group, rather than that obtained on frequency of their meat and fish consumption. This was because individual beliefs may be closer to self-definitions than to the 'objective' definition of vegetarianism (25). In addition, the majority of self-identified vegetarians consumed con·sume
v. con·sumed, con·sum·ing, con·sumes
1. To take in as food; eat or drink up. See Synonyms at eat.
a. no meat, fish or seafood and therefore would be classified as vegetarian by using the conventional definition. Cronbach's Alpha Cronbach's (alpha) has an important use as a measure of the reliability of a psychometric instrument. It was first named as alpha by Cronbach (1951), as he had intended to continue with further instruments. was used to measure the internal reliability of the dimensions of the plot, based on the average correlation between items. From this plot, the non-vegetarians who fell into the same range as the vegetarians (V) were identified (i.e. those non-vegetarians who hold similar beliefs about meat and vegetarian diets as vegetarians). This group of non-vegetarians was named cognitive vegetarians (CV), in contrast to those non-vegetarians who were outside the range of vegetarians: omnivores (O). Although semi-vegetarians were included in the plot, they were not included in the graphical display of the plot (Figure 1) or in further analyses. They were excluded for reasons of brevity Brevity
of short life. [Br. Lit.: I Henry IV]
symbolic of transitoriness of life. [Art: Hall, 54]
cherry orchards where fruit was briefly sold; symbolic of transience. and to ensure that cognitive vegetarians remain the main focus of this paper.
Cross-tabulation analyses (including Pearson chi-square test chi-square test: see statistics. of statistical significance) were performed to examine the responses of CV compared with O and V for meat and animal product consumption, items about vegetarianism including interest in vegetarianism and number of vegetarian significant others, nutrition beliefs, use of and trust in food/health/nutrition information sources, concerns about the food supply, personal values and demographic items.
Analyses were conducted with SPSS A statistical package from SPSS, Inc., Chicago (www.spss.com) that runs on PCs, most mainframes and minis and is used extensively in marketing research. It provides over 50 statistical processes, including regression analysis, correlation and analysis of variance. for Windows statistical software (SPSS Inc, Chicago, SPSS for Windows, version 10.0.05 1999), using an alpha level of 0.05 for all statistical tests. The number of significance tests conducted in this study introduces the possibility of Type I statistical error (i.e. the probability of incorrectly rejecting the null hypothesis null hypothesis,
n theoretical assumption that a given therapy will have results not statistically different from another treatment.
n ). The results report significance levels of 0.001, 0.01 and 0.05 so that the reader can judge which level is most appropriate to satisfy any concerns about Type I error.
Response and respondent In Equity practice, the party who answers a bill or other proceeding in equity. The party against whom an appeal or motion, an application for a court order, is instituted and who is required to answer in order to protect his or her interests. characteristics
About 71% of the randomly selected subjects who were able to be contacted answered the questionnaire (n = 603), with two questionnaires being unusable. Approximately 15% of the sample was unable to be contacted because their addresses had changed since the Marketing Pro data were collected or were incomplete, or they could not be contacted by telephone. With the 106 non-randomly selected vegetarians and semi-vegetarians included, the total number of usable USable is a special idea contest to transfer US American ideas into practice in Germany. USable is initiated by the German Körber-Stiftung (foundation Körber). It is doted with 150,000 Euro and awarded every two years. questionnaires was 707.
The demographic characteristics of the non-randomly selected sample, the randomly selected sample, and the general South Australian population, as obtained from the Basic Community Profile of the 1996 Census of Population and Housing (32), have been reported elsewhere (30). Comparisons were made for sex, age, country of birth, employment status, and marital status marital status,
n the legal standing of a person in regard to his or her marriage state. , as these were the only items that allowed for direct comparison between the Basic Community Profile and the survey. In summary, the major biases in the random sample were over-representation of 45 to 64 year olds and married people and under-representation of 19 to 24 year olds compared with the census data. The non-random sample was younger than both the random and census groups. In addition, members of the non-random group were less likely to be in full-time employment or to be married or widowed/divorced.
Prevalence of cognitive vegetarians
Figure 1 displays the areas covered by the object points for the vegetarian group and the two non-vegetarian groups (cognitive vegetarians and omnivores). Two dimensions were identified, both with high internal reliability as measured by Cronbach's Alpha (0.98 and 0.88 for Dimension 1 and 2 respectively). Dimension 1 differentiates reasonably well between vegetarians and non-vegetarians.
As would be expected, the majority of self-identified semi-vegetarians (about 75%) were in the vegetarian range for the CATPCA of beliefs about meat, benefits of and barriers to vegetarianism.
Approximately 15% of non-vegetarians (n = 81, equivalent to 13.5% of the random population sample) fell within the range of vegetarians, and were therefore classified as cognitive vegetarians. Cognitive vegetarians formed a group distinct from the remaining non-vegetarians (n = 468) and from vegetarians (n = 103).
Characteristics of cognitive vegetarians
Cognitive vegetarians were less likely to eat red meat as frequently as O (P < 0.001), and more likely to eat it than V (P < 0.001). Figure 2 displays the differences in frequency of red meat consumption between V, CV and O. Cognitive vegetarians were over three times as likely as O to consume red meat rarely and over twice as likely to consume it only one to three times a month. However, the majority of CV (54%) and O (71%) ate red meat one to four times a week. Cognitive vegetarians were also less likely to consume dairy products as frequently as O (P < 0.01), although they were more likely to consume them than V were (P < 0.001). However, there were no statistically significant differences between CV and O for white meat, fish/seafood or egg consumption. Differences between CV and V were all significant (P < 0.001) for these food items, with V consuming them least often.
Cognitive vegetarians were more interested in vegetarianism than O (P < 0.001). They were twice as likely as O to be somewhat interested (54% versus 27%), and almost 10% were very interested compared to about 2% of O (Figure 3). Cognitive vegetarians had talked about vegetarianism more often than O (P < 0.001); had thought more in the past month about making changes towards consuming a vegetarian diet (P < 0.001); were more likely to think that during the next month they would make some changes towards becoming vegetarian (P < 0.001) and were also more likely to think that during the next six months they would make such changes (P < 0.001). Cognitive vegetarians were three times as likely as O to state that it was quite likely that they would make some changes during the next six months, and about 3% of CV stated that it was very likely, but no O did (Figure 4). However, the majority of both CV (73%) and O (87%) stated that they were not likely to make some changes. Also of note is that over 10% of CV were unsure whether or not they would make any changes towards vegetarianism. This may indicate that they are somewhat ambivalent am·biv·a·lent
Exhibiting or feeling ambivalence.
Adj. 1. about vegetarianism, unlike O who were more against the idea of becoming vegetarian. Cognitive vegetarians had more vegetarian friends than O (P < 0.01) but less than V (P < 0.001), as shown in Figure 5.
Compared with the remainder of the non-vegetarians (O), CV were more likely to search for information about healthy eating, with 74% of CV agreeing that they frequently look for such information and 58% of O similarly (Table 4). There was no significant difference between V and CV. Cognitive vegetarians were the least likely of the three groups to agree with 'I do not need to make any changes to the food I eat as it is already healthy enough', with V most likely to agree (Table 4). Differences between V and CV were statistically significant, and although differences between CV and O were not significant at the 0.05 level, they were close to significance (P = 0.058).
In general, despite CV falling inside the CATPCA plot's range for V, CV were closer to O than to V for use of information sources to find out about food, health or nutrition, trust in information sources, personal values, and this was particularly true for food concerns. However, there were exceptions, some of which are displayed in Table 4. (Note that in this table and in the text only a selection of the survey items is shown or discussed, in order to high-light the characteristics of the CV group in as succinct suc·cinct
adj. suc·cinct·er, suc·cinct·est
1. Characterized by clear, precise expression in few words; concise and terse: a succinct reply; a succinct style.
2. a way as possible. Full results may be obtained from the authors.) Cognitive vegetarians were usually intermediate between V and O, and therefore could be clearly differentiated from both groups.
There were differences between V, CV and O for use of and trust in sources of food/nutrition/health information (Table 4). In most cases, CV were intermediate between V and O, although CV used and trusted dietitians and used cooking magazines more than the other two groups. For example, 23% of O trusted vegetarian magazines compared with 44% of CV and 81% of V. There was no significant difference between V and CV for use of and trust in health food shops and staff. Doctors were highly trusted by over 80% of both CV and O, but only 34% of V. Advertising was trusted by 4% of V, and by 18% and 20% of CV and O respectively. Although the difference between CV and O was not significant at the 0.05 level, it neared significance (P = 0.056).
[FIGURE 1 OMITTED]
[FIGURE 2 OMITTED]
[FIGURE 3 OMITTED]
[FIGURE 4 OMITTED]
[FIGURE 5 OMITTED]
There were differences between the personal values of CV, V and O. 'Protecting the environment', 'A world of beauty' and being 'Helpful' were more important guiding principles for CV than for O, with 65%, 48% and 55% of CV respectively stating that they were very important (Table 4). An example of a difference between V and the non-vegetarians is 'Equality', where almost 90% of V stated that it is very important, compared to 65% of CV and 60% of O.
There was little difference between CV and O for concerns about food, with only two concerns being (statistically) significantly different. These were: (1) concern over 'Chemical additives in food', which CV were less concerned about than O, with V more concerned about than O; and (2) concern about 'The links between food and cancer', with there being no statistically significant difference between CV and V, who were significantly more concerned about such links than O (Table 4).
With regard to demographic variables, CV were more likely than O to be female (P < 0.05); about 69% of CV were female compared to 54% of O. Cognitive vegetarians were also more likely to be born outside of Australia (P < 0.01); approximately 37% of CV and 24% of O were born in another country. They were less likely to identify as an Anglo-Australian (55% of CV identified as Anglo-Australian compared to 69% of O; P < 0.05), and were less likely to be employed full-time (19% of CV and 32% of O were employed full-time; P < 0.01). There were no statistically significant age, education or income differences.
We have found that 1.5% and 7.2% of the South Australian population identify as vegetarian and semi-vegetarian respectively (unpublished observations), although the 1995 National Nutrition Survey reported that a higher proportion (3.3%) of the South Australian population is vegetarian (33). With the addition of the 13.5% of the population who may be classified as cognitive vegetarians, as reported here, a substantial minority (22.2%) of Australians appear to have a positive attitude towards vegetarianism and have either already become vegetarian or a low meat consumer, or may be susceptible to the promotion of vegetarianism (e.g. if some of the social environmental barriers to vegetarianism were removed). To our knowledge, there are no comparable data available at present on attitudes towards vegetarianism among omnivores in similar countries such as the USA or UK. This would be an interesting area for future research and would enable comparisons to be made between different countries.
Those who are likely to be susceptible to the adoption of vegetarian practices are also likely to be people who already consume a greater proportion of plant foods than the general population. However, the present study did not obtain data on the frequency of consumption of plant foods, so further studies are required to verify (1) To prove the correctness of data.
(2) In data entry operations, to compare the keystrokes of a second operator with the data entered by the first operator to ensure that the data were typed in accurately. See validate. this. It may be expected that the proportion of omnivores susceptible to the promotion of plant-based diets that contain some meat, such as that advocated by the World Cancer Research Fund (12), would be higher than that susceptible to the promotion of the stricter diet of vegetarianism. If future research confirms this, it should be very encouraging for health professionals who advocate plant-based diets. There may also be implications for the food industry.
Cognitive vegetarians search for information on healthy eating more than omnivores. This may indicate that they have found more information on vegetarianism and hence are more accepting of it than omnivores. It also suggests that if information on vegetarianism and health was more widely available, cognitive vegetarians may be more readily influenced to become vegetarian, particularly if such information specifically addressed their concerns with, and perceived benefits of, vegetarianism. The finding that about half of CV--more than the other two groups--believe that they need to improve the healthiness of their diet supports the notion that they are open to dietary change. As this was a cross-sectional study cross-sectional study
See synchronic study.
n the scientific method for the analysis of data gathered from two or more samples at one point in time. , it could not be determined whether any actual dietary changes were (or will be) made subsequent to the survey by the CV group. Therefore there is a need for long-term Long-term
Three or more years. In the context of accounting, more than 1 year.
1. Of or relating to a gain or loss in the value of a security that has been held over a specific length of time. Compare short-term. tracking of people's behaviours (i.e. longitudinal lon·gi·tu·di·nal
Running in the direction of the long axis of the body or any of its parts. research).
It is logical that consumers that fall in the same range as vegetarians for beliefs about meat, and perceived benefits of and barriers to vegetarianism would have lower red meat consumption than those who do not. Red meat is usually the first animal product to be avoided by meat reducers, followed by white meat and then fish (23,34). Research has found that often people who avoid red meat only will have an increased consumption of white meat and fish (34). However, this study found no difference in frequency of white meat and fish/seafood consumption between cognitive vegetarians and omnivores. Dairy consumption was lower, perhaps because of a perception of high fat content and other negative health associations (35). This may be linked to the differing demographic characteristics of the cognitive vegetarians, such as the increased likelihood of being female or of non-Anglo descent descent, in anthropology, method of classifying individuals in terms of their various kinship connections. Matrilineal and patrilineal descent refer to the mother's or father's sib (or other group), respectively. .
Significant others often influence beliefs and behaviour, such as intention to eat beef (36,37). This may have been the case for the cognitive vegetarians, as they had significantly more vegetarian friends than did the omnivores. However, a longitudinal study longitudinal study
a chronological study in epidemiology which attempts to establish a relationship between an antecedent cause and a subsequent effect. See also cohort study. would be required to determine if this was the case or, rather, if the cognitive vegetarians had gravitated towards people who were similar to themselves.
Vegetarians are generally more in favour of unorthodox sources of health and nutrition information than non-vegetarians (24,38). In this study, it was vegetarian magazines and health food shops, but not alternative health practitioners, where the more important differences between CV and O lay. Vegetarian magazines are, of course, focussed specifically on vegetarianism; perhaps health food shops are also perceived as being vegetarian oriented o·ri·ent
1. Orient The countries of Asia, especially of eastern Asia.
a. The luster characteristic of a pearl of high quality.
b. A pearl having exceptional luster.
3. . In conjunction with their (moderate) use of and trust in unorthodox sources, however, CV also trust orthodox orthodox,
adj in medical practice, conventional, relating to currently accepted majority standards. See also medicine, conventional; hypothesis; and model, medical. sources highly, particularly when compared to V. It seems that CV believe both types of sources have something to offer, although usually orthodox sources are used and trusted more than unorthodox sources.
Research has found that vegetarians tend to hold different values to omnivores. In particular, universal values In philosophy, universal values is an attempt to establish a finite set of concepts that are recognized by all human beings as morally good.
The discussion of universal values is quite unsettled (often controversial), and therefore, can start from many different places: such as equality and protecting the environment are more important among vegetarians (27,39). This study found that CV held some universal and other values to be more important than did O, although many other values, including equality, were similar to those of O. Again, the question is whether these differences resulted from the beliefs of CV about meat and vegetarianism, or whether the value differences partially influenced their beliefs.
The finding that links between cancer and food are of more concern to CV (and V) than O suggests one possibility for the differing beliefs and behaviours of CV to other meat eaters. Cognitive vegetarians may associate high meat and low fruit, vegetable and wholegrain consumption with a greater risk of developing cancer, as per the World Cancer Research Fund and American Institute for Cancer Research (12). This possibility needs to be explored in future research.
Turning to demography demography (dĭmŏg`rəfē), science of human population. Demography represents a fundamental approach to the understanding of human society. , the lower proportion of CV employed full-time compared to O may be partly explained by the higher proportion of women in this group, since women are less likely to be employed full-time than men (32). Generally, more women than men hold negative attitudes towards meat and are vegetarians or meat reducers (2,40,41). Therefore, it is not surprising that a larger proportion of CV were women compared to O. Meat, particularly red meat, is often associated with masculinity masculinity /mas·cu·lin·i·ty/ (mas?ku-lin´i-te) virility; the possession of masculine qualities.
1. The quality or condition of being masculine.
2. : meat is perceived as men's food in many cultures, while non-meat foods such as vegetables are perceived as women's food (42). This is certainly the case in Australia (e.g. the 'feed the man meat' advertising campaign of a few years ago). In addition, women are generally more health conscious than men, which may lead to greater appreciation of fruits and vegetables in particular (43). They tend to have more knowledge about the healthiness of different foods, prefer healthier foods, and tend to rate them as more pleasurable pleas·ur·a·ble
pleasur·a·bil than men do (44).
Historically Australia has been a country of high meat consumption (6,45), particularly when compared to Asian and Mediterranean countries. Meat is a more central part of the diet than complex carbohydrates complex carbohydrates,
n.pl polysaccharides; nutritional compounds composed of multiple monosaccharide (simple sugar) building blocks. Complex carbohydrates include starches, glycogen, and cellulose. (46). This may be why CV were less likely to identify as Anglo-Australian or to be born in Australia.
It appears that a substantial proportion of Australian omnivores hold similar beliefs about meat and vegetarian diets as vegetarians. To our knowledge this appears to be the first study to establish this connection. Clearly, our study has implications for the health status of these individuals and for the food industry. It is essential that the former are sufficiently knowledgeable about the potential health benefits and risks of vegetarian diets, while the latter will need to respond to any potential or actual dietary shifts in the population. Compared to other non-vegetarians, cognitive vegetarians differ in their meat consumption behaviour, demographic characteristics, beliefs, values, information seeking Information seeking is the process or activity of attempting to obtain information in both human and technological contexts. Information seeking is related to, but yet different from, information retrieval (IR). behaviour, and level of trust in information sources. These characteristics may be important to consider if attempts are made to influence meat beliefs and consumption.
Table 1. Percent of self-identified vegetarians and non-vegetarians in agreement with statements of beliefs about meat items Vegetarians Non-vegetarians Item(a) (n = 103) (n = 546) P Percent in agreement (% unsure) I love to eat red meat such as beef, veal or lamb. 0 (1) 82 (6) *** I prefer to eat red meat more than fruit or vegetables. 0 (1) 22 (13) *** I think meat is disgusting 71 (12) 3 (5) *** Nothing satisfies my appetite like a thick, juicy steak. 0 (0) 30 (13) *** Meat such as beef and lamb is unhealthy to eat. 64 (13) 3 (9) *** Red meat such as beef or lamb is fattening. 46 (28) 11 (15) *** Meat is necessary in the adult human diet. 1 (3) 68 (16) *** Meat is important for the health of babies and toddlers. 2 (12) 42 (40) *** Meat is necessary in children's diets. 0 (11) 67 (25) *** Meat causes cancer. 46 (37) 2 (35) *** Meat causes heart disease. 55 (28) 7 (35) *** Red meat is the best-absorbed source of dietary iron. 17 (26) 52 (39) *** Non-vegetarians are healthier than vegetarians. 2 (4) 15 (46) *** Red meat is very expensive. 30 (57) 47 (12) *** When I eat out to celebrate a social occasion, I usually eat some kind of red meat. 0 (0) 44 (11) *** Meat is important for building strength. 5 (7) 62 (27) *** Meat is more a food that men are likely to eat. 35 (24) 52 (19) ** Meat production is cruel to animals. 93 (4) 18 (26) *** Humans have no right to kill animals for food. 69 (16) 8 (13) *** Vegetarians are hippies or weirdos. 7 (4) 8 (13) * (a) Items used in categorical principal component analysis. ***P < 0.001; **P < 0.01; *P < 0.05 Table 2. Percent of self-identified vegetarians and non-vegetarians in agreement with statements of perceived benefits of vegetarianism Vegetarians Non-vegetarians Item (a) (n = 103) (n = 546) P Percent in agreement (% unsure) Control my weight 56 (23) 38 (30) *** Prevent disease in general (e.g. heart disease, cancer) 89 (10) 31 (41) *** Decrease saturated fat intake in my diet 89 (9) 64 (22) *** Live longer 73 (25) 15 (49) *** Eat a greater variety of interesting foods 88 (8) 22 (33) *** Have plenty of energy 80 (19) 16 (47) *** Have a better quality of life 88 (11) 12 (38) *** Stay healthy 94 (6) 25 (38) *** Be less aggressive 41 (37) 6 (36) *** Be more content with myself 85 (12) 8 (36) *** Save money 52 (24) 19 (37) *** Have a tastier diet 90 (8) 7 (34) *** Satisfy my religious and/or spiritual needs 69 (11) 3 (19) *** Be fit 72 (21) 17 (33) *** Eat more fruit and vegetables 94 (2) 73 (11) *** Be healthier by decreasing my intake of chemicals, steroids and antibiotics which are found in meat 93 (6) 27 (44) *** Increase my control over my own health 89 (8) 19 (39) *** Lower my chances of getting food poisoning 76 (17) 16 (34) *** Help the environment 97 (3) 18 (36) *** Decrease hunger in the Third World 78 (15) 11 (40) *** Help animal welfare/rights 99 (1) 33 (32) *** Increase the efficiency of food production 85 (13) 12 (44) *** Help the feminist cause 21 (53) 3 (27) *** Help create a more peaceful world 82 (14) 6 (24) *** (a) Items used in categorical principal component analysis. ***P < 0.001 Table 3. Percent of self-identified vegetarians and non-vegetarians in agreement with statements of perceived barriers to vegetarianism Vegetarians Non-vegetarians Item (a) (n = 103) (n = 546) P Percent in agreement (% unsure) My friends eat meat 18 (3) 32 (13) *** My family eats meat 20 (4) 43 (10) *** I like eating meat 1 (3) 83 (9) *** I would (or do) feel conspicuous among others 8 (7) 9 (20) ** There is not enough iron in vegetarian diets 4 (7) 29 (38) *** There is not enough protein in vegetarian diets 1 (4) 23 (38) *** I would be (or am) worried about my health (other than lack of iron or protein) 3 (5) 30 (29) *** Someone else decides on most of the food I eat 1 (2) 10 (7) *** My family/spouse/partner won't eat vegetarian food 5 (5) 31 (14) *** It takes too long to prepare vegetarian food 1 (0) 8 (34) *** I don't want to eat strange or unusual foods 0 (3) 22 (14) *** Vegetarian options are not available where I shop or in the canteen or at my home 12 (7) 13 (21) ** I don't have enough willpower 2 (1) 20 (16) *** I think humans are meant to eat meat 0 (3) 47 (25) *** It is inconvenient 5 (3) 23 (26) *** I don't know what to eat instead of meat 4 (1) 22 (17) *** I lack the right cooking skills 1 (0) 16 (15) *** I do not want to change my eating habit or routine 4 (3) 59 (17) *** There is too limited a choice when I eat out 31 (6) 35 (22) *** People would (or do) think that I'm a wimp or not 'macho' enough 5 (5) 4 (11) NS (b) Vegetarian diets are not filling enough 3 (1) 19 (31) *** Vegetarian diets are boring 1 (1) 24 (31) *** I don't want people to stereotype me negatively (e.g. that I must be strange) 5 (4) 8 (14) ** I wouldn't (or don't) get enough energy or strength from the food 2 (3) 17 (34) *** I need more information about vegetarian diets 14 (9) 42 (17) *** (a) Items used in categorical principal component analysis. (b) NS not significant. **P < 0.01; ***P < 0.001 Table 4. Percent of vegetarians, cognitive vegetarians and omnivores in agreement with statements on health beliefs and sources of nutrition information Cognitive Vegetarians vegetarians Item (a) (n = 103) (n = 81) Health beliefs and behaviour % in agreement (% unsure) I frequently look for information on healthy eating. 77 (11) 74 (9) I do not need to make any changes to the food I eat as it is already healthy enough. 58 (16) 40 (12) Health, food or nutrition information sources Use % sometimes or often use Use dietitians/nutritionists 28 45 Use doctors 23 49 Use health food shops/staff 45 40 Use vegetarian magazines 78 28 Use alternative health practitioners 44 29 Use cooking magazines 43 69 Trust % trust (% unsure) Trust television programs 12 (32) 31 (35) Trust newspaper articles 15 (43) 28 (44) Trust advertising 4 (12) 18 (31) Trust dietitians/nutritionists 49 (41) 73 (19) Trust doctors 34 (27) 82 (13) Trust National Heart F'dn/Anti-Cancer Council 50 (31) 80 (15) Trust health food shops/staff 50 (41) 46 (36) Trust vegetarian magazines 81 (16) 44 (45) Personal values % very important (% fairly important) Protecting the environment (preserving nature) 87 (13) 65 (31) A world of beauty (beauty of nature and the arts) 71 (26) 48 (45) Helpful (working for the welfare of others) 44 (52) 55 (41) Equality (equal opportunity for all) 87 (13) 65 (29) Food supply issues % concerned (% unsure) The links between food and cancer 86 (12) 80 (14) Chemical additives in food 96 (4) 72 (8) Omnivores P (b) P (c) Item (a) (n = 468) Health beliefs and behaviour % in agreement (% unsure) I frequently look for information on healthy eating. 58 (16) NS (d) * I do not need to make any changes to the food I eat as it is already healthy enough. 45 (20) ** NS Health, food or nutrition information sources Use % sometimes or often use Use dietitians/nutritionists 30 * ** Use doctors 46 *** NS Use health food shops/staff 24 NS ** Use vegetarian magazines 11 *** *** Use alternative health practitioners 19 * * Use cooking magazines 56 *** * Trust % trust (% unsure) Trust television programs 35 (44) ** * Trust newspaper articles 31 (53) * * Trust advertising 20 (43) *** NS Trust dietitians/nutritionists 71 (27) ** * Trust doctors 83 (15) *** NS Trust National Heart F'dn/Anti-Cancer Council 84 (15) *** ** Trust health food shops/staff 30 (54) NS ** Trust vegetarian magazines 23 (64) *** *** Personal values % very important (% fairly important) Protecting the environment (preserving nature) 47 (47) *** * A world of beauty (beauty of nature and the arts) 23 (57) ** *** Helpful (working for the welfare of others) 33 (61) NS *** Equality (equal opportunity for all) 60 (33) *** NS Food supply issues % concerned (% unsure) The links between food and cancer 68 (27) NS * Chemical additives in food 79 (11) *** * (a) Only a selection of the survey items is shown, in order to highlight the characteristics of cognitive vegetarians. (b) Comparisons between vegetarians and cognitive vegetarians. (c) Comparisons between cognitive vegetarians and omnivores. (d) NS = not significant. * P < 0.05, **P < 0.01, *** P < 0.001
Acknowledgment acknowledgment, in law, formal declaration or admission by a person who executed an instrument (e.g., a will or a deed) that the instrument is his. The acknowledgment is made before a court, a notary public, or any other authorized person.
This research was conducted in partial fulfilment ful·fill also ful·fil
tr.v. ful·filled, ful·fill·ing, ful·fills also ful·fils
1. To bring into actuality; effect: fulfilled their promises.
2. of Emma Lea's PhD degree at the University of Adelaide, under the supervision of Anthony Worsley. Financial assistance for the survey was provided through an ARC small grant.
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School of Exercise and Nutrition Sciences, Deakin University .*R1 refers to Academics' rankings in tables 3.1 - 3.7 in the report. R2 refers to Articles and Research rankings in tables 5.1 - 5.7. No. refers to the number of institutions compared with Deakin.
. , Victoria
E. Lea. BA (Hons), PhD, Postdoctoral post·doc·tor·al also post·doc·tor·ate
Of, relating to, or engaged in academic study beyond the level of a doctoral degree.
Noun 1. Research Fellow
A. Worsley. BSc (Hons), PhD, Professor of Population Health
Correspondence: E. Lea, School of Exercise and Nutrition Sciences. Deakin University, 221 Burwood Highway Burwood Highway is a major transportation link with Melbourne's eastern suburbs. , Burwood, Victoria Burwood is a suburb of Melbourne, Australia, in the state of Victoria. It is in the Local Government Area of the City of Whitehorse. The most prominent feature of the Burwood landscape is Building C (The Alfred Deakin Building) of Deakin University. 3125. Email: firstname.lastname@example.org
E. Lea designed and implemented the survey, carried out the analysis and drafted the paper. A. Worsley contributed to conception of the survey, statistical methodology and data interpretation, as well as critical revision of the paper.