Obesity in HIV-Infection: Dietary Correlates

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Abstract
Objective: To describe the prevalence of obesity among a cohort of individuals living with HIV infection, and to determine differences in dietary intake among those subjects who are normal weight, overweight, and obese. Design: A cross-sectional study among participants enrolled in the Nutrition for Healthy Living (NFHL) study. Setting: Eligible participants included HIV-positive adults living in the greater Boston, MA and Providence, RI, areas. Subjects and Measures of Outcome: In total, 321 (265 males, 56 females) subjects were studied. Body composition measurements, demographic and health data, and fasting blood samples were analyzed. Dietary intake was assessed by three-day food records. Statistical analyses were performed using Statistical Package for Social Science (SPSS). Results: 13% of males and 29% females were found to be obese. Energy intake per kilogram decreased by body mass index (BMI) category for both men and women (p <0.05). Although not different between groups, mean total fat and saturated fat intakes were above recommendations for both men and women in all BMI categories, while total grams dietary fiber decreased as BMI increased. Individuals in all BMI groups had micronutrient intakes below the Dietary Reference Intakes. Serum markers of insulin resistance were significantly different by BMI category among men and women, as well as triglycerides and total cholesterol for the males. Conclusions: Obesity and diet in individuals living with HIV-infection needs to be addressed, as quality of dietary intake may have future implications regarding cardiovascular disease, metabolic syndrome, and other health risks associated with overweight and obesity.

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