Affiliation:
1. Slone Epidemiology Center Boston University Boston Massachusetts USA
2. Boston University School of Public Health Boston Massachusetts USA
Abstract
AbstractEvidence of an association between plasma 25‐hydroxyvitamin D [25(OH)D] levels and risk of hypertension, predominantly from studies of White individuals, suggests an inverse relationship. Limited data are available on Black individuals, who are more likely to have vitamin D deficiency. In the Black Women's Health Study (BWHS), a prospective study of 59 000 self‐identified Black women from across the US, we assessed levels of a validated predicted vitamin D score in relation to incident hypertension. We followed 42 239 participants who were free of cardiovascular disease and cancer from 1995 to 2019, during which time 19 505 incident cases of hypertension were identified. Cox proportional hazards model were used to calculate multivariable‐adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for the association of predicted vitamin D with the risk of incident hypertension. In age‐adjusted analyses, there was a strong inverse dose‐response association between predicted vitamin D score and hypertension risk, with an HR of .66 (95% CI: .63‐.68, p trend < .0001) for the highest quartile of predicted vitamin D relative to the lowest. After control for potential confounders including body mass index, physical activity, and cigarette smoking, the HR was attenuated to .91 (95% CI: .87–.95, p trend = .002). In this prospective cohort study of Black women, predicted vitamin D score was weakly inversely associated with the incidence of hypertension. This observed association may reflect an inability to fully control for confounding factors.
Subject
Cardiology and Cardiovascular Medicine,Endocrinology, Diabetes and Metabolism,Internal Medicine
Cited by
3 articles.
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