Journal
METABOLISM-CLINICAL AND EXPERIMENTAL
Volume 58, Issue 9, Pages 1329-1337Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.metabol.2009.04.017
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Funding
- Eunice Kennedy Shriver National Institute of Child Health and Human Development [R01HD039883]
- Midcareer Investigator Award In Patient-Oriented Research Award [K24HD043659]
- General Clinical Research Centers program [M01RR00073]
- National Center for Research Resources
- National Institutes of Health
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We examined the influence of race/ethnicity on body fat distribution for a given body mass index (BMI) among reproductive-aged women. Body weight, height, and body fat distribution were measured with a digital scale, wall-mounted stadiometer, and dual-energy x-ray absorptiometry, respectively, on 708 healthy black, white, and Hispanic women 16 to 33 years of age. Multiple linear regression was used to model the relationship between race/ethnicity and different body fat distribution variables after adjusting for BMI, age at menarche, and demographic and lifestyle variables. For a given BMI, white women had the highest total fat mass (FM(total)), trunk fat mass (FM(trunk)), and leg fat mass (FM(leg)), whereas Hispanic women had the highest percentage of FM(trunk) (%FM(trunk)) and trunk-to-limb fat mass ratio (FMR(trunk-to-limb))- Conversely, black women had the lowest FM(total), FM(trunk), percentage body fat mass (%FM), %FM(trunk), and FMR(trunk-to-limb), and the highest percentage of FM(leg). The %FM was similar in whites and Hispanics and lower in blacks. The race x BMI interactions were significant for almost all of the body fat distribution variables. Increasing in differences with increasing BMI were apparent between blacks and whites in FM(trunk) %FM(trunk), FMR(trunk-to-limb), %FM(leg) and %FM, and between blacks and Hispanics in FM(trunk), %FM(trunk), FMR(trunk-to-limb) and FM(leg). In summary, the distribution of body fat for a given BMI differs by race among reproductive-aged women. These findings raise questions regarding universally applied BMI-based guidelines for obesity and have implications for patient education regarding individual risk factors for cardiovascular disease and metabolic complications. (C) 2009 Elsevier Inc. All rights reserved.
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