American Journal of Epidemiology Vol. 148, No. 2: 148-159
Copyright © 1998 by The Johns Hopkins University School of Hygiene and Public Health
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Occupational Status and Cardiovascular Disease Risk Factors in the Rapidly Developing, High-risk Population of Mauritius
1Division of Epidemiology, University of Minnesota Minneapolis, MN
2Department of Epidemiology, University of Pittsburgh Pittsburgh, PA
3Murdoch Institute, Royal Children's Hospital Melbourne, Australia
4Health Department of Western Australia Perth, Australia
5Department of Epidemiology, National Public Health Institute Helsinki, Finland
6Human Diabetes and Metabolism and Metabolism Research Centre, The Medical School, University of Newcastle upon Tyne Newcastle upon Tyne, England
7The Ministry of Health Mauritus
8International Diabetes Institute Melbourne, Australia
This study examined the relation between occupation and cardiovascular disease (CVD) risk factors in 2,795 individuals between ages 35 and 54 years from the rapidly developing island nation of Mauritius. Participants attended a 1992 population-based survey of noncommunicable disease (89.1% response rate). Occupational status, physical activity in the previous year, cigarette smoking, and alcohol consumption were assessed by questionnaire. Anthropometric and metabolic measures included body mass index (kg/m2), waist-to-hip ratio, fasting serum high density lipoprotein cholesterol and low density lipoprotein cholesterol (LDL cholesterol), triglycerides, 2-hour postload plasma glucose and serum insulin concentrations, and blood pressure. In comparison with professional/skilled workers, age-adjusted means of insulin and glucose, LDL cholesterol, triglycerides, and systolic and diastolic blood pressures were significantly (p < 0.05) lower, and the age-adjusted mean for high density lipoprotein cholesterol was significantly higher for unskilled men. In women, risk factors other than LDL cholesterol varied significantly (p < 0.05) across occupational categories, with homemakers tending to have the least favorable profile. Unskilled workers reported significantly more physical activity (p < 0.01), alcohol consumption, and cigarette smoking (men only) (p < 0.05) than did the other groups. Adjustment for multiple covariates revealed an independent association between occupational status and most CVD risk factors, with physical activity attenuating this association. These results elucidate mediating behaviors of CVD risk across occupational categories that could be applied to intervention strategies in Mauritius. Am J Epidemiol 1998; 148: 148–59.
cadiovascular disease; cross-sectional studies; occupations; risk factors; soci
conomic factors
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