Abstract
Osteoarthritis (OA) often coexists with risk factors for cardiovascular disease (CVD), worsening symptoms and functional impairment. This cross-sectional study investigated the association between Life's Essential 8 (LE8) and disability in individuals with OA. Data from 8334 United States adults (aged ≥ 20) who participated in the 2005-2018 National Health and Nutrition Examination Survey (NHANES) with complete data on LE8 components and disability status were analyzed. LE8 components, including diet, physical activity (PA), nicotine exposure, sleep, body mass index (BMI), blood lipids, glucose, and blood pressure (BP), were scored on a 0-100 scale, categorizing cardiovascular health (CVH) as low, moderate, or high. Disability mainly caused by OA was assessed using a standardized physical functioning questionnaire. Association analyses were performed using multivariable logistic regression, adjusting for demographic, socioeconomic, lifestyle, and health-related covariates. Individuals with CVH scores 10 points higher had a 15% lower prevalence of OA (95% CI 0.81-0.90). Individuals with OA were more than twice as likely to experience disability. High levels of CVH were associated with a lower prevalence of disability in various domains compared to low levels of CVH (all P < 0.05), such as in activities of daily living (OR 0.32, 95% CI 0.18-0.58). Among the LE8 components, BMI, PA, and sleep health were associated with disabilities in all domains, while blood lipid scores were not. A higher adherence to LE8 is associated with a lower prevalence of different types of disability in domains of physical functioning and functional limitations in individuals with OA.
Published Version
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