Background: Results of several epidemiologic and clinical studies have suggested that there is an excess risk of hypertension and diabetes mellitus in persons with suboptimal intake of vitamin D. Methods: We examined the association between serum levels of 25-hydroxyvitamin D (25[OH]D) and select cardiovascular disease risk factors in US adults. A secondary analysis was performed with data from the Third National Health and Nutrition Examination Survey, a national probability survey conducted by the National Center for Health Statistics between January 1, 1988, and December 31, 1994, with oversampling of persons 60 years and older, non-Hispanic black individuals, and Mexican American individuals.Results: There were 7186 male and 7902 female adults 20 years and older with available data in the Third Na-tional Health and Nutrition Examination Survey. The mean 25(OH)D level in the overall sample was 30 ng/mL (75 nmol/L). The 25(OH)D levels were lower in women, elderly persons (Ն60 years), racial/ethnic minorities, and participants with obesity, hypertension, and diabetes mellitus. The adjusted prevalence of hypertension (odds ratio [OR], 1.30), diabetes mellitus (OR, 1.98), obesity (OR, 2.29), and high serum triglyceride levels (OR, 1.47) was significantly higher in the first than in the fourth quartile of serum 25(OH)D levels (PϽ.001 for all). Conclusions: Serum 25(OH)D levels are associated with important cardiovascular disease risk factors in US adults. Prospective studies to assess a direct benefit of cholecalciferol (vitamin D) supplementation on cardiovascular disease risk factors are warranted.
Background-Albuminuria is a major risk factor for the development and progression of chronic kidney disease (CKD) and cardiovascular disease. Socioeconomic factors also have been reported to modify CKD and cardiovascular risk factors and clinical outcomes. The extent to which poverty influences the prevalence of albuminuria, particularly among racial/ethnic minority populations, is not well established. The influence of poverty on the prevalence of albuminuria and the implication of this relationship for the racial and/or ethnic differences in the prevalence of albuminuria were examined.
African Americans and Mexican Americans suffer from disproportionately high rates of end-stage renal disease in comparison with whites from the United States. An improved understanding of both classic and novel chronic kidney disease risk factors among racial/ethnic minorities may help to facilitate improved prevention, screening, and early intervention strategies for all patients at risk for chronic kidney disease-not only in the United States, but on a global level. The economic implications are equally important to inform health policy recommendations and ensure cost-effective allocation of limited resources.
The rate of treated end-stage renal disease (ESRD) continues to increase globally. The disproportionately high rate of ESRD among the many growing indigenous populations and racial/ethnic minorities in the United States highlights the need to reassess present treatment strategies to more appropriately identify and manage chronic kidney disease in diverse communities. Similar projections have been noted worldwide. This discrepancy between ESRD rates among racial and ethnic minority groups, and treatment strategies is due to several factors, many of which are modifiable. These include the individual, the health care provider/system, and limited participation in controlled clinical trials. Although it is unfortunate that this disparity continues to exist, a thoughtful and compassionate approach to addressing the role of diverse biobehavioral and sociocultural factors might be the key to effective translation of emerging scientific advances into improved clinical outcomes for all patients with chronic kidney disease.
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