Race and gender associations between obesity and nine health-related quality-of-life measures
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To assess how health-related quality of life (HRQoL) varies by body mass index (BMI) category among gender and racial subgroups using nine HRQoL measures.
Among 3,710 US adults, we evaluated self-reported height, weight, and HRQoL that was measured by six indexes (EQ-5D; HUI2; HUI3; SF-6D; QWB-SA; HALex) and three summary measures (theta; PCS; MCS). Mean HRQoL was estimated by weighted regression for normal, overweight, and obese subgroups (BMI: 18.5–24.9 kg/m2; 25–29.9; and 30–50).
HRQoL was significantly lower (P < 0.0001) with increasing BMI category except for MCS. Obese individuals were 5.3 units lower on PCS (1–100 scale) and 0.05–0.11 lower on the HRQoL indexes (0–1 scale) than those with normal weight. MCS scores were significantly lower for obese than normal-weight among women (P = 0.04) but not men (P = 0.11). Overweight blacks had higher HRQoL than blacks in other BMI categories (P = 0.033).
Six commonly used HRQoL indexes and two of three health status summary measures indicated lower HRQoL with obesity and overweight than with normal BMI, but the degree of decrement varied by index. The association appeared driven primarily by physical health, although mental health also played a role among women. Counter to hypotheses, blacks may have highest HRQoL when overweight.
- Race and gender associations between obesity and nine health-related quality-of-life measures
Quality of Life Research
Volume 20, Issue 5 , pp 665-674
- Cover Date
- Print ISSN
- Online ISSN
- Springer Netherlands
- Additional Links
- Body mass index
- Health-related quality of life
- Health status
- Industry Sectors
- Author Affiliations
- 1. Partnership for Health Analytic Research, LLC, 280 South Beverly Drive #404, Beverly Hills, CA, 90212, USA
- 3. Department of Population Health Sciences, University of Wisconsin, Madison, WI, USA
- 2. RAND Corporation, Santa Monica, CA, USA
- 4. Department of Health Services, University of California, Los Angeles, CA, USA
- 5. Center for Health Research, Kaiser Permanente Northwest Region, Portland, OR, USA
- 6. Health Utilities Incorporated, Dundas, ON, Canada