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Journal of the American College of Nutrition, Vol 10, Issue 2 149-155, Copyright © 1991 by American College of Nutrition

JOURNAL ARTICLE

Nutrition and blood pressure among elderly men and women (Dutch Nutrition Surveillance System)

M. R. Lowik, Z. Hofman, F. J. Kok, M. Wedel, K. F. Hulshof, J. Odink and G. Schaafsma
Department of Human Nutrition, TNO-CIVO Toxicology and Nutrition Institute, Zeist, The Netherlands.

Associations between blood pressure and nutrition-related variables (body mass index, dietary intake, and 24-hr excretion of sodium, potassium, magnesium, and calcium in the urine) were investigated in men (n = 138) and women (n = 117) 65-79 years old not using drugs known to affect blood pressure and not on a diet. Among men, body mass index was positively and creatinine clearance was inversely associated with systolic blood pressure, whereas body mass index and urinary sodium:potassium ratio were positively associated with diastolic blood pressure. Among women, both age and urinary calcium:creatinine ratio were positively associated with systolic as well as diastolic blood pressure. Coffee consumption was positively correlated with blood pressure and urinary calcium:creatinine ratio among the women. From the results it appears that, besides "normal" weight, increased potassium intake and urinary excretion may exert a protective effect among elderly men against hypertension when sodium exposure is relatively high. The positive association between urinary calcium:creatinine ratio and blood pressure among the women may be partly due to coffee consumption.


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Copyright © 1991 by the American College of Nutrition.