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Association of Continuous BMI with Health-related Quality of Life in the United States by Age and Sex

Overview
Journal Obesity (Silver Spring)
Specialties Endocrinology
Nutritional Sciences
Physiology
Date 2024 Oct 7
PMID 39370765
Authors
Zachary J Ward
Roxanne Dupuis
Michael W Long
Steven L Gortmaker
Affiliations
Soon will be listed here.
Abstract

Objective: The objective of this study is to estimate health-related quality of life (HRQoL) by continuous BMI by age, sex, and demographic group in the United States.

Methods: We estimated HRQoL (overall and by domain) by continuous BMI using SF-6D (Short-Form Six-Dimension) data from 182,778 respondents ages 18 years and older from the repeated cross-sectional Medical Expenditure Panel Survey (MEPS) 2008 to 2016. We adjusted for BMI self-report bias and for potential confounding between BMI and HRQoL.

Results: We found an inverse J-shaped curve of HRQoL by BMI, with lower values for female individuals and the highest health utilities occurring at BMI of 20.4 kg/m (95% CI: 20.32-20.48) for female individuals and 26.5 kg/m (95% CI: 26.45-26.55) for male individuals. By BMI category, excess weight contributed to HRQoL loss of 0.0349 for obesity overall, rising to 0.0724 for class III obesity. By domain, pain was the largest cause of HRQoL loss for obesity (26%), followed by role limitations (22%).

Conclusions: HRQoL is lower for people with excess body weight across a broad range of ages and BMI levels, especially at high levels of BMI, with pain being the largest driver of HRQoL loss. These findings highlight the importance of promoting a healthy weight for the entire population while also targeting efforts to prevent extreme weight gain over the life course.

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