Relationship between Calcium or Vitamin C Supplement Use and Blood Pressure in Japanese Elderly People: Results from the National Health and Nutrition Survey, 2003-2010
Journal Title: Indian Journal of Nutrition - Year 2015, Vol 2, Issue 1
Abstract
A higher intake of calcium or vitamin C has been associated with reductions in blood pressure (BP). However, the relationship between calcium or vitamin C supplement use and BP has not yet been confirmed. We herein investigated this relationship in elderly Japanese people. Data from the National Health and Nutrition Survey in Japan, 2003-2010 were used. Systolic/Diastolic BP (SBP/DBP) was compared by the usage of calcium or vitamin C supplements separately for antihypertensive medication use. Linear regression models were adjusted for sex, age, antiarrhythmic medication, drinking habits, smoking status, exercise habits, body mass index (BMI), sodium intake, and potassium intake. A total of 17067 people aged 60 years or older were included, among whom 40.4% took antihypertensive medication. Calcium or vitamin C supplement use did not correlate with SBP/DBP. On the other hand, non-drinkers and those with a lower BMI had a lower BP. These results indicated that the intake of calcium or vitamin C supplements was not involved in the regulation of BP. The results of the present study suggest that improving dietary habits is more effective as a public health measure than using dietary supplements.
Authors and Affiliations
Yoko Sato
Keywords
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