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KMID : 1130220220260030264
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Annals of Geriatric Medicine and Research
2022 Volume.26 No. 3 p.264 ~ p.274
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Sexual Difference in Effect of Long Sleep Duration on Incident Sarcopenia after Two Years in Community-Dwelling Older Adults
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Lee Hyona
Kim Sun-Young
Kim Byung-Sung
Kim Mi-Ji
Yang Ji-Soo
Bae Han-Hee
Won Chang-Won
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Abstract
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Background: Sarcopenia, a progressive and generalized skeletal muscle disorder involving an accelerated loss of muscle mass and muscle function, is a common condition in older individuals. This study aimed to determine whether sleep latency and duration were independently associated with incident sarcopenia and to explore sex differences in these associations.
Methods: This 2-year longitudinal analysis of cohort study data included community-dwelling participants of the 2016?2017 Korea Frailty and Aging Cohort Study aged 70?84 years at baseline survey who completed the 2-year follow-up survey. Logistic regression was used to calculate the odds ratios (ORs) for sarcopenia and sarcopenia components. Sarcopenia was defined using the 2019 Asian Working Group for Sarcopenia guidelines.
Results: Among 1,353 non-sarcopenic participants in the baseline survey, 1,160 (85.8%) and 193 (14.2%) were classified as non-sarcopenic and sarcopenic, respectively, after 2 years. Long sleep duration (>8 hours per night) was associated with incident sarcopenia in male?OR=2.41 (95% confidence interval [CI], 1.13?5.17) after adjusting for confounding factors. Long sleep duration was specifically associated with the development of low skeletal muscle mass and low muscle strength in male?adjusted OR=2.16 (95% CI, 1.02?4.61) and adjusted OR=2.70 (95% CI, 1.13?6.43), respectively. In female, compared to normal sleep duration, the adjusted ORs for long and short sleep duration for sarcopenia were 2.093 (95% CI, 0.753?5.812; p=0.157) and 0.852 (95% CI, 0.520?1.393; p=0.522), respectively, which were not significant.
Conclusion: In male, long sleep duration was associated with incident sarcopenia, specifically the development of low muscle mass and low muscle strength, but not with low physical performance.
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KEYWORD
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Sleep, Sarcopenia, Sex characteristics, Aged, Cohort studies
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