Factors Associated with Changes in Serum Cholesterol during a Community‐based Hypertension Programme

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Abstract
A cohort of 1 019 male and 1 232 female hypertensives, aged 25–59 years, based on a random population sample, was followed for five years during a community-based cardiovascular prevention programme. A small mean reduction in serum cholesterol level was found. The observed changes in casual serum cholesterol values were partly due to the regression to the mean. The reductions were most marked in elderly people and in those with high baseline serum cholesterol values. The partial regressions of the cholesterol change were computed in subgroups by age, sex and baseline serum cholesterol level. Changes in weight in men and in age in women were the strongest independent predictors of the change in serum cholesterol. Changes in dietary fat intake were also associated with the change in serum cholesterol. Only a small part of the total variation in the change in serum cholesterol was explained by the regression models. The results indicate that reduction of the serum cholesterol level among hypertensive persons, especially men, was caused by changes in their dietary habits.