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Association of physical activity with sarcopenia and sarcopenic obesity in community-dwelling older adults: The fourth Korea National Health and Nutrition Examination Survey

机译:Association of physical activity with sarcopenia and sarcopenic obesity in community-dwelling older adults: The fourth Korea National Health and Nutrition Examination Survey

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Objective: this study examined the association of physical activity with sarcopenia and sarcopenic obesity among the community-dwelling Korean elderly. Methods: subjects consisted of 2,264 aged 65 years or older in the 2008-09 Korea National Health and Nutrition Examination Survey. Sarcopenia was defined as 2 SD below the mean of the appendicular skeletal muscle/weight for healthy young adults. Obesity was defined as waist circumference ≥90 cm for men and ≥85 cm for women. Levels of physical activity were classified using the metabolic equivalent task method. Results: the prevalence of sarcopenia was 12.1 in men and 11.9 in women. Among those with sarcopenia, obesity was prevalent in 68.3 of men and 65.0 of women. Adjusting for all covariates, compared with those with low physical activity, men who engaged in moderate and high activity were 38 and 74, respectively, less likely to have sarcopenia (Ptrend < 0.001). In women, the relationship between physical activity and sarcopenia was not significant. For sarcopenic obesity, men participating in moderate odds ratio (OR) = 0.47; 95 confidence interval (CI) 0.26-0.87 and high (OR = 0.27; 95 CI: 0.12-0.60) physical activity, compared with low activity, had significantly lower risk (Ptrend = 0.001). In women, high physical activity was associated with a lower risk of sarcopenic obesity (OR = 0.43; 95 CI: 0.22-0.86). Conclusion: physical activity is associated with a reduced risk of sarcopenia and sarcopenic obesity in older Korean adults. There were gender differences in the relationship, with stronger associations observed in men than in women.

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