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Association of BMI and cardiovascular risk stratification in the elderly African-American females

TitleAssociation of BMI and cardiovascular risk stratification in the elderly African-American females
Publication TypeJournal Article
Year of Publication2011
AuthorsJaved, F, Aziz, EF, Sabharwal, MS, Nadkarni, GN, Khan, SA, Cordova, JP, Benjo, AM, Gallagher, D, Herzog, E, Messerli, FH, Pi-Sunyer, FX
JournalObesity (Silver Spring)Obesity (Silver Spring)
Volume19
Pagination1182-6
Date PublishedJun
ISBN Number1930-739X (Electronic)<br/>1930-7381 (Linking)
Accession Number21183933
KeywordsAfrican Americans, Aged, Aged, 80 and Over, Body Mass Index, Cardiovascular Diseases/epidemiology/ethnology/ etiology, Cross-Sectional Studies, Female, Humans, Hypertension/epidemiology/ethnology/ etiology, Logistic Models, Medical Records, New York City/epidemiology, Overweight/ physiopathology, Retrospective Studies, Risk Factors, Urban Health
AbstractWe aimed to estimate the association of BMI and risk of systemic hypertension in African-American females aged 65 years and older. In this retrospective, cross-sectional study, medical charts were randomly reviewed after obtaining institutional review board approval and data collection was conducted for height, weight, BMI, age, ethnicity, gender, and hypertension. A multivariable logistic regression analysis was performed. The mean BMI was significantly higher in hypertensive subjects than normotensives (30.3 vs. 29 kg/m2; P = 0.003). A higher proportion of hypertensive subjects had a BMI >23 kg/m2 as compared to normotensives (88.9% vs. 83.5%; P = 0.023). When the log odds of having a history of hypertension was plotted against BMI as a continuous variable, we found that the odds showed an increasing trend with increasing BMI and a steep increase after a BMI of 23 kg/m2. When BMI was analyzed as a categorical variable, a BMI of 23-30 kg/m2 was found to have an odds ratio of 1.43 (95% confidence interval 1.01-2.13; P = 0.05) and a BMI of >30 kg/m2 had an odds ratio of 1.76 (95% confidence interval 1.17-2.65; P = 0.007) when compared to a BMI of 23 kg/m2 in this ethnic group. Weight reduction to a greater extent than previously indicated could play an integral role in prevention and control of high blood pressure in this particular population.
Short TitleObesity (Silver Spring, Md.)
Ethno Med: