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KMID : 1100920180390040219
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Korean Journal of Family Medicine
2018 Volume.39 No. 4 p.219 ~ p.224
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Association between Sleep Duration and Body Composition Measures in Korean Adults: The Korea National Health and Nutrition Examination Survey 2010
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Kim Ryoung-Hee
Kim Kyong-In
Kim Jeong-Hyeon
Park Yong-Soon
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Abstract
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Background: The association between sleep duration and body composition measures in Korean adults remains unclear.
Methods: This cross-sectional study included 3,532 subjects aged ≥40 years (1,542 men and 1,990 women) who participated in the 2010 Korea National Health and Nutrition Examination Survey V-1. Self-reported sleep duration and anthropometric data were collected. Appendicular skeletal muscle mass (ASM) was quantified via dual-energy X-ray absorptiometry. Obesity was defined according to the body mass index and waist circumference. Sarcopenia was defined as the muscle mass percentage (ASM/weight) below the lowest quintile computed for the study population. Multivariate logistic regressions with or without adjustment for sociodemographic and lifestyle factors were used to evaluate the association of sleep duration with obesity and sarcopenia for participants who slept ≤5, 6?8, and ≥9 h/d. The results were expressed as odds ratios (ORs) with 95% confidence intervals (95% CIs).
Results: In women, the association between sleep duration and sarcopenia was stronger for individuals who slept ≥9 h/d than for those who slept 6?8 h/d (unadjusted OR, 1.99; 95% CI, 1.19?3.34; adjusted OR, 1.77; 95% CI, 1.06? 2.96).
Conclusion: Longer sleep duration is associated with a significantly higher incidence of sarcopenia in Korean women aged ≥40 years.
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KEYWORD
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Sleep, Sarcopenia, Obesity, Korea National Health and Nutrition Examination Survey
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