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J Natl Med Assoc. 2001 Apr;93(4):124-8.

Fish consumption and hypertension incidence in African Americans and whites: the NHANES I Epidemiologic Follow-up Study.

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Office of Analysis, Epidemiology and Health Promotion, Centers for Disease Control and Prevention, Hyattsville, Maryland 20782, USA.


We sought to test the hypothesis that increased consumption of fish is associated with decreased incidence of essential hypertension. Data on fish consumption and incidence of hypertension from a national cohort of 5,394 blacks and whites normotensive at baseline and followed 10 years in the NHANES I Epidemiologic Follow-up Study (NHEFS) were analyzed. Our results showed that whites aged 25-74 years had no significant association of fish consumption with incidence of hypertension. In black women, after adjusting for multiple risk factors, those who increased their fish intake from <1 time/week to > or = 1 time/week had RR = 0.42, 95% CI 0.22-0.81, p = 0.009. However, those with high intake both times had adjusted RR = 0.75, 95% CI 0.45-1.26, p = 0.28. No consistent significant associations of fish consumption with hypertension incidence were found, perhaps because fish consumption in this population was low. Further studies are needed in blacks.

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