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Long Sleep Duration is Associated With Sarcopenia in Korean Adults Based on Data from the 2008-2011 KNHANES

 Yu-Jin Kwon  ;  Suk-Yong Jang  ;  Eun-Cheol Park  ;  A-Ra Cho  ;  Jae-Yong Shim  ;  John A. Linton 
 JOURNAL OF CLINICAL SLEEP MEDICINE, Vol.13(9) : 1097-1104, 2017 
Journal Title
Issue Date
Absorptiometry, Photon/methods ; Adult ; Age Factors ; Female ; Health Surveys/methods* ; Health Surveys/statistics & numerical data* ; Humans ; Male ; Middle Aged ; Republic of Korea ; Sarcopenia/diagnostic imaging* ; Sarcopenia/physiopathology* ; Sleep/physiology* ; Time Factors
inflammation ; insulin resistance ; sarcopenia ; sleep duration
STUDY OBJECTIVES: Sarcopenia, or loss of muscle mass, occurs with aging and results in frailty, disability, cardiovascular disease, and insulin resistance. Recently, researchers have asserted that sarcopenia is not an inevitable process, but is a modifiable condition. Adequate sleep duration is also important to maintain good physical and mental health. Therefore, the aim of our study was to examine the association between sleep duration and sarcopenia in Korean adults.

METHODS: Data from 16,148 participants (7,158 men and 8,990 women) were analyzed from the 2008-2011 Korean National Health and Nutrition Examination Survey (KNHANES). We defined sarcopenia as one standard deviation below the sex-specific means of the appendicular skeletal muscle/height-squared values of a young reference group. Participants were categorized into 5 groups according to sleep duration. The odds ratios (OR) and 95% confidence intervals (95% CI) for sarcopenia according to sleep duration were calculated using multiple logistic regression analysis.

RESULTS: The prevalence of sarcopenia was 14.3% in the total population (males 18.7%, females 9.7%). Compared to the 7 hours of sleep group, the OR (95% CI) for sarcopenia of the long sleep duration group (9 hours or more) was 1.589 (1.100-2.295) after controlling for confounding factors. From the results of subgroup analysis, high-risk groups for sarcopenia are as follows: 40-64 years old (OR = 1.868), normal body mass index (OR = 1.516), smoking (OR = 2.219), no regular exercise (OR = 1.506) in long sleepers.

CONCLUSIONS: Long sleep duration (9 hours or longer) is independently associated with sarcopenia in Korean adults.
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Appears in Collections:
6. Others (기타) > International Health Care Center (국제진료소) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Yu-Jin(권유진) ORCID logo https://orcid.org/0000-0002-9021-3856
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
Shim, Jae Yong(심재용) ORCID logo https://orcid.org/0000-0002-9561-9230
Linton, John A.(인요한) ORCID logo https://orcid.org/0000-0001-8000-3049
Cho, A Ra(조아라) ORCID logo https://orcid.org/0000-0002-3645-2282
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