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Prevalence and Risk Factors of Sarcopenia in Community-Dwelling Older Adults: A Cross-Sectional Study With Nutritional Assessment.

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Title: Prevalence and Risk Factors of Sarcopenia in Community-Dwelling Older Adults: A Cross-Sectional Study With Nutritional Assessment.
Authors: Lu, Tianwei1 (AUTHOR), Fang, Qing2 (AUTHOR), Lin, Ziyi1 (AUTHOR), Jiang, Xianglin3 (AUTHOR), Wang, Tao4 (AUTHOR), Li, Miqiong5 (AUTHOR) limiqiong@126.com, Yin, Peihao6 (AUTHOR) yinpeihao@shutcm.edu.cn
Source: Inquiry (00469580). 6/11/2026, Vol. 63, p1-12. 12p.
Subject Terms: Cross-sectional method, Lifestyles, Independent living, Malnutrition, Health status indicators, Body mass index, Research funding, Nutritional assessment, Logistic regression analysis, Residential patterns, Statistical sampling, Fisher exact test, Bioelectric impedance, Multivariate analysis, Chi-squared test, Odds ratio, Medical screening, Early diagnosis, Geriatric nutrition, Sociodemographic factors, Anthropometry, Confidence intervals, Data analysis software, Sarcopenia, Grip strength, Sensitivity & specificity (Statistics), Disease complications, Old age
Geographic Terms: China
Abstract: Introduction: Sarcopenia, a progressive skeletal muscle disorder, is common among older adults and is associated with adverse outcomes including falls, fractures, cognitive decline, poor quality of life, and increased mortality. Malnutrition contributes to sarcopenia, and early screening is essential for prevention. Methods: This cross-sectional study evaluated community-dwelling adults aged ≥65 years in Shanghai. Sarcopenia was diagnosed according to the 2019 Asian Working Group for Sarcopenia (AWGS) consensus, using SARC-CalF, handgrip strength, and bioelectrical impedance analysis. Nutritional status was assessed with MNA-SF and GLIM criteria. Demographics, health, lifestyle, and physical measurements were collected. Logistic regression identified factors associated with sarcopenia. Model calibration was evaluated using the Hosmer-Lemeshow test, multicollinearity via variance inflation factor, and agreement between nutritional tools using the Kappa statistic. Results: A total of 1,650 adults aged ≥65 years from Shanghai were enrolled in this study. The prevalence of sarcopenia was 2.48% overall (men: 2.42%; women: 2.54%). Independent risk factors included age ≥80 years (OR = 5.089, 95% CI: 2.347–11.037), BMI <18.5 kg/m2 (OR = 4.507, 95% CI: 1.816–11.185), daily sleep <5 h (OR = 3.898, 95% CI: 2.003–7.587), and chronic gastritis (OR = 3.624, 95% CI: 1.234–10.637). Protective factors were BMI ≥24.0 kg/m2 (OR = 0.033, 95% CI: 0.004–0.241) and regular physical exercise (OR = 0.420, 95% CI: 0.216–0.813). Co-occurrence of malnutrition and sarcopenia ranged from 0.30% to 0.55%. Agreement between MNA-SF and GLIM was moderate (Kappa = 0.357, P < 0.001). Their contingency coefficients with sarcopenia were 0.086 and 0.151, respectively (P < 0.05). Conclusion: In Shanghai community-dwelling older adults, sarcopenia prevalence was 2.48%. Advanced age, low BMI, short sleep, and chronic gastritis increased risk, while higher BMI and regular exercise were protective. Early nutritional assessment and interventions are crucial to prevent sarcopenia. [ABSTRACT FROM AUTHOR]
Copyright of Inquiry (00469580) is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Prevalence and Risk Factors of Sarcopenia in Community-Dwelling Older Adults: A Cross-Sectional Study With Nutritional Assessment.
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  Data: Introduction: Sarcopenia, a progressive skeletal muscle disorder, is common among older adults and is associated with adverse outcomes including falls, fractures, cognitive decline, poor quality of life, and increased mortality. Malnutrition contributes to sarcopenia, and early screening is essential for prevention. Methods: This cross-sectional study evaluated community-dwelling adults aged ≥65 years in Shanghai. Sarcopenia was diagnosed according to the 2019 Asian Working Group for Sarcopenia (AWGS) consensus, using SARC-CalF, handgrip strength, and bioelectrical impedance analysis. Nutritional status was assessed with MNA-SF and GLIM criteria. Demographics, health, lifestyle, and physical measurements were collected. Logistic regression identified factors associated with sarcopenia. Model calibration was evaluated using the Hosmer-Lemeshow test, multicollinearity via variance inflation factor, and agreement between nutritional tools using the Kappa statistic. Results: A total of 1,650 adults aged ≥65 years from Shanghai were enrolled in this study. The prevalence of sarcopenia was 2.48% overall (men: 2.42%; women: 2.54%). Independent risk factors included age ≥80 years (OR = 5.089, 95% CI: 2.347–11.037), BMI &lt;18.5 kg/m2 (OR = 4.507, 95% CI: 1.816–11.185), daily sleep &lt;5 h (OR = 3.898, 95% CI: 2.003–7.587), and chronic gastritis (OR = 3.624, 95% CI: 1.234–10.637). Protective factors were BMI ≥24.0 kg/m2 (OR = 0.033, 95% CI: 0.004–0.241) and regular physical exercise (OR = 0.420, 95% CI: 0.216–0.813). Co-occurrence of malnutrition and sarcopenia ranged from 0.30% to 0.55%. Agreement between MNA-SF and GLIM was moderate (Kappa = 0.357, P &lt; 0.001). Their contingency coefficients with sarcopenia were 0.086 and 0.151, respectively (P &lt; 0.05). Conclusion: In Shanghai community-dwelling older adults, sarcopenia prevalence was 2.48%. Advanced age, low BMI, short sleep, and chronic gastritis increased risk, while higher BMI and regular exercise were protective. Early nutritional assessment and interventions are crucial to prevent sarcopenia. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Inquiry (00469580) is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1177/00469580261452510
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        Text: English
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        PageCount: 12
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      – SubjectFull: Cross-sectional method
        Type: general
      – SubjectFull: Lifestyles
        Type: general
      – SubjectFull: Independent living
        Type: general
      – SubjectFull: Malnutrition
        Type: general
      – SubjectFull: Health status indicators
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      – SubjectFull: Body mass index
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      – SubjectFull: Research funding
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      – SubjectFull: Nutritional assessment
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      – SubjectFull: Logistic regression analysis
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      – SubjectFull: Residential patterns
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      – SubjectFull: Statistical sampling
        Type: general
      – SubjectFull: Fisher exact test
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      – SubjectFull: Bioelectric impedance
        Type: general
      – SubjectFull: Multivariate analysis
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      – SubjectFull: Chi-squared test
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      – SubjectFull: Odds ratio
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      – SubjectFull: Confidence intervals
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      – SubjectFull: Data analysis software
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      – SubjectFull: Sarcopenia
        Type: general
      – SubjectFull: Grip strength
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      – SubjectFull: Old age
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      – SubjectFull: China
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      – TitleFull: Prevalence and Risk Factors of Sarcopenia in Community-Dwelling Older Adults: A Cross-Sectional Study With Nutritional Assessment.
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