ArticleEuropean journal of medical research2025
A body shape index and sarcopenia risk in middle-aged and older adults: evidence from the China Health and Retirement Longitudinal Study.
Article in European journal of medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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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
2 citing papers in PubMed.
- Associations of Physical Activity, Sedentary Behaviour, and Sleep with Somatotype Components and a Body Shape Index in Young Adults.Journal of functional morphology and kinesiology · 2026Article
- Association Between Nutritional Biomarkers and Low Muscle Mass, Obesity, and Low Muscle Mass with Obesity Across Physical Activity Levels Among U.S. Adults: Finding from the National Health and Nutrition Examination Survey 2015-2018.International journal of environmental research and public health · 2026Article
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Authors and funding
5 authors.
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Abstract
backgroundThe A body shape index (ABSI) has been associated with various diseases, and existing research suggests a link with sarcopenia. However, systematic evaluations focusing on Asian populations-particularly middle-aged and older adults in China-remain insufficient, and the specific association mechanisms and predictive value have yet to be fully elucidated. This study aimed to examine this relationship utilizing data from the China Health and Retirement Longitudinal Study (CHARLS) database.
methodsA total of 1873 participants aged ≥ 45 years with complete data from the 2015 CHARLS were included. Eligibility criteria required the availability of: (1) parameters necessary for ABSI calculation, namely, waist circumference (WC), height, and weight; (2) sarcopenia assessment components (muscle mass, grip strength (GS), and physical performance); and (3) all relevant covariates. Sarcopenia was diagnosed according to AWGS2019 guidelines, defined as low muscle mass (appendicular skeletal muscle mass (ASM)/height
resultsThe cross-sectional analysis demonstrated significant differences in ABSI between individuals with sarcopenia (n = 329) and those without (n = 1544), with mean ABSI values of 4.59 and 3.71, respectively. The prevalence of sarcopenia was approximately 17.57% in the study population. All three models consistently indicated a significant association between ABSI and sarcopenia: Model 1 (odds ratio = 5.85, 95% confidence interval: 4.73-7.33), Model 2 (odds ratio = 5.34, 95% confidence interval: 4.23-6.83), and Model 3 (odds ratio = 5.22, 95% confidence interval: 4.10-6.74). The ROC analysis revealed that the fully adjusted model yielded an area under the curve of 0.871, compared to 0.760 for the ABSI-only model. In the KNN model, ABSI ranked highest in feature importance.
conclusionsABSI is strongly associated with sarcopenia prevalence and functions as an independent indicator, suggesting its potential applicability in sarcopenia screening strategies.
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Registered trials
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