Record Business Insider: Bosses don't fall for sickies.
In the study, a fifth of workers admitted making up an excuse, such as food poisoning or a cold, to throw a sickie.
But many of the 200 managers questioned by Bupa suspected the main reason for absences were workers wanting a long weekend or recovering from a hangover.
More than one in three of the 2000 workers surveyed said they did not take time off when they were ill out of a "sense of duty".
Ann Greenwood, of Bupa, said: "This research proves that not only are people taking time off when they are not sick but that managers admit they are never sure if someone is genuinely ill or not."
TUC general secretary Brendan Barber said: "Britain has one of the lowest rates of sick absence in Europe. And sickness rates have been coming down for the last 10 years