Eric A Whitsel

UNCCH, Gillings School of Global Public Health, Epidemiology

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The women's health initiative: The food environment, neighborhood socioeconomic status, BMI, and blood pressure

Tamara Dubowitz; Madhumita Ghosh-Dastidar; Christine Eibner; Mary E. Slaughter; Meenakshi Fernandes; Eric A. Whitsel; Chloe E. Bird; Adria Jewell; Karen L. Margolis; Wenjun Li; et al. (Profiled Author: Eric A Whitsel)

Obesity. 2012;20(4):862-871.

Using data (n = 60,775 women) from the Women's Health Initiative Clinical Trial (WHI CT)a national study of postmenopausal women aged 50-79 yearswe analyzed cross-sectional associations between the availability of different types of food outlets in the 1.5 miles surrounding a woman's residence, census tract neighborhood socioeconomic status (NSES), BMI, and blood pressure (BP). We simultaneously modeled NSES and food outlets using linear and logistic regression models, adjusting for multiple sociodemographic factors, population density and random effects at the tract and metropolitan statistical area (MSA) level. We found significant associations between NSES, availability of food outlets and individual-level measurements of BMI and BP. As grocery store/supermarket availability increased from the 10th to the 90th percentile of its distribution, controlling for confounders, BMI was lower by 0.30kg/m 2. Conversely, as fast-food outlet availability increased from the 10th to the 90th percentile, BMI was higher by 0.28kg/m 2. When NSES increased from the 10th to the 90th percentile of its distribution, BMI was lower by 1.26kg/m 2. As NSES increased from the 10th to the 90th percentile, systolic and diastolic BP were lower by 1.11mmHg and 0.40mmHg, respectively. As grocery store/supermarket outlet availability increased from the 10th and 90th percentiles, diastolic BP was lower by 0.31mmHg. In this national sample of postmenopausal women, we found important independent associations between the food and socioeconomic environments and BMI and BP. These findings suggest that changes in the neighborhood environment may contribute to efforts to control obesity and hypertension. © 2011 The Obesity Society.

PMID: 21660076    

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