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

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 main...

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Bibliographic Details
Published in:Journal of clinical sleep medicine 2017-09, Vol.13 (9), p.1097-1104
Main Authors: Kwon, Yu-Jin, Jang, Suk-Yong, Park, Eun-Cheol, Cho, A-Ra, Shim, Jae-Yong, Linton, John A
Format: Article
Language:English
Subjects:
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
Scientific Investigations
Sleep - physiology
Time Factors
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Summary: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. 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. 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. Long sleep duration (9 hours or longer) is independently associated with sarcopenia in Korean adults.
ISSN:1550-9389
1550-9397
DOI:10.5664/jcsm.6732