ArticleBMC geriatrics2025
Association between subjective well-being and low muscle mass among Chinese older adults: a nationwide cross-sectional study.
Article in BMC geriatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Association between 1-Year Changes in Sarcopenia-Related Indicators and Subjective Well-being in Older Adults Requiring Support or Care under the Long-Term Care Insurance System.Annals of geriatric medicine and research · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMental health represents a significant global health issue, with emerging evidence suggesting a link between psychological well-being and physical health outcomes, including muscle health. Subjective well-being, a key component of mental health, may influence muscle mass through lifestyle factors (e.g., nutrition, sleep) and physiological mechanisms (e.g., neuroendocrine function, inflammation). However, its specific association with low muscle mass among older Chinese adults remains unclear.
methodsThis cross-sectional study utilized data from 11,345 participants in the 2018 wave of the Chinese Longitudinal Healthy Longevity Survey. Subjective well-being was assessed using a validated and applied eight-item scale, comprising one life satisfaction item, four positive emotion items, and three negative emotion items. Low muscle mass was defined using anthropometric indicators with sex-specific thresholds for appendicular skeletal muscle mass/height². Logistic regression was employed to examine the associations between SWB and LMM, adjusting for demographic, socioeconomic, behavioral, and health-related covariates. To explore the potential nonlinear association, spline smoothing analysis and threshold effect analysis were employed. Subsequently, to ensure the robustness of the findings, several sensitivity analyses were conducted.
resultsAfter adjusting for confounding factors, participants with better subjective well-being exhibited a reduced likelihood of low muscle mass [OR = 0.82, 95% confidence interval (CI) 0.73-0.92, P value < 0.001]. Notably, this inverse association displayed nonlinear characteristics (P
conclusionOur findings suggest that subjective well-being is a nonlinear modifiable determinant of low muscle mass in older adults. These results indicate that interventions aimed at enhancing subjective well-being may complement conventional strategies for regulating muscle homeostasis.
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