Demographic, behavioral, biochemical, and dietary correlates of plasma triglycerides. Lipid Research Clinics Program Prevalence Study.

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Abstract
Few studies have simultaneously examined the relationship of triglyceride levels with a wide variety of potential covariates. Thus, the present study was designed to assess in a large, free-living population the association of fasting plasma triglyceride values with selected demographic, behavioral, biochemical, and dietary measures. These analyses were done using data obtained from 5189 white men and women aged 20 to 69 years who participated in the Lipid Research Clinics Program Prevalence Study. Of the eight nondietary factors examined, age, Quetelet Index, fasting plasma glucose, and cigarette smoking were strongly, positively associated (p less than 0.0001) with triglycerides in men and in women not using gonadal hormones. Among women using oral contraceptives or estrogens, only Quetelet Index (p less than 0.01) and cigarette smoking (p = 0.01) were significantly related to triglyceride values. Physical activity was inversely associated (p less than 0.0001) and use of diuretic medications was positively related (p less than 0.01) to triglycerides only in men. Results of analyses of triglycerides and six selected dietary measures varied by age, sex, and hormone-use subgroups. Although none of the dietary variables showed consistent associations with triglycerides across all of the subgroups, triglycerides tended to be inversely associated with total calories per kilogram of body weight and the percentage of calories as dietary fat.

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