Trends in the prevalence of obesity among Belgian men at work, 1977-1992.

OBJECTIVE: To assess trends in average body mass index (BMI) and the prevalence of:obesity between 1977 and 1992, in middle-aged Belgian men at work, SUBJECTS: A subsample of men at work, aged 40-54y extracted from the base-line data from four independent prospective studies, each representing a period (Physical Fitness Study (1977-1978), Belgian Interuniversity Research on Nutrition and Health (BIRNH) (1979-1984), Multinational Monitoring of Trends and Determinants in Cardiovascular Diseases (MONICA) (1986-1991) and ORCA [1992-1993]). DESIGN: Linear regression of the average body mass index (... Mehr ...