This study focussed on features of work and lifestyle predicting coronary heart disease. In 1981 the 5353 subjects were active Finnish municipal employees, aged 44-58 years. They answered a postal inquiry in 1981 and 1985. The cumulative incidence of coronary heart disease was 3.5% (188). The predictors were selected by discriminant analytic methods and logistic models. The risk for women was explained best by physically too heavy work (RR 2.5, 95% CI 1.3-4.8), and residence in north-eastern Finland (RR 2.0, 95% CI 1.1-3.4). The risk for men was explained best by three factors: smoking (RR 2.3, 95% CI 1.4-3.9), frequent walking or moving about at work (RR 1.7, 95% CI 1.2-2.4), and a household with two or more unemployed members over 15 years of age (RR 1.7, 95% CI 1.2-2.5). These men often had a secondary job or had done much housework. The risk of coronary heart disease was associated with physically heavy work before the age of 20, first employment at a young age, and building their own house around the beginning of the follow-up. © 1994.
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