Education, race, and high-density lipoprotein cholesterol among US adults.
D S Freedman,
D S Strogatz,
D F Williamson and
R E Aubert
Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control, Atlanta, GA 30333.
OBJECTIVES. Although educational achievement is positively relatedto levels of high-density lipoprotein cholesterol (HDL-C) amongWhite adults, there is an inverse association among Blacks.We assessed whether this interaction could be attributed todifferences in the relation of education to correlates of HDL-C.METHODS. Cross-sectional analyses were based on data from 8391White and 995 Black adults who participated in the Second NationalHealth and Nutrition Examination Survey. RESULTS. Associationsbetween education and HDL-C levels varied from negative (Blackmen), to nearly nonexistent (White men and Black women), topositive (White women). Mean HDL-C levels were higher amongBlacks than among Whites, but differences varied according toeducational achievement. Among adults with less than 9 yearsof education, mean levels were 6 to 10 mg/dL higher among Blacks,but the radical difference was less than 1 mg/dL among adultswith at least 16 years of education. About 20% to 40% of thesedifferences could be accounted for by obesity, alcohol consumption,and other characteristics. CONCLUSIONS. Because of the implicationsfor coronary heart disease risk, consideration should be givento behavioral characteristics associated with the interactionbetween race and educational achievement.
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