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The influence of sex and age on the relationship between sleep duration and metabolic syndrome in Korean adults

Authors
 Katherine M. Stefani  ;  Hyeon Chang Kim  ;  Jieun Kim  ;  Kyungwon Oh  ;  Il Suh 
Citation
 Diabetes Research and Clinical Practice, Vol.102(3) : 250-259, 2013 
Journal Title
 Diabetes Research and Clinical Practice 
ISSN
 0168-8227 
Issue Date
2013
Abstract
AIMS: To investigate the influence of sex and age on the relationship between sleep duration and metabolic syndrome in a nationally representative population. METHODS: We used data from the Korea National Health and Nutrition Examination Survey (2001-2010) and enrolled 24,511 participants aged 20-79 years. Sleep duration was categorized into five groups: ≤5, 6, 7 (referent), 8, and ≥9h/day. Age was categorized into three groups: younger (20-39y), middle-aged (40-59y), and older (60-79y). The association between sleep duration and metabolic syndrome was assessed in the total, separately in men and women, then in six groups based on sex and age. RESULTS: The prevalence of metabolic syndrome by sleep category demonstrated a U-shaped pattern in the total population. However, after adjusting for age, education, occupation, exercise, smoking, alcohol, and body mass index, the prevalence of metabolic syndrome increased in long sleepers (OR 1.31; 95% CI 1.14-1.51) but not in short sleepers (OR 1.00; 95% CI 0.89-1.11). The relationship between sleep duration and metabolic syndrome varied by sex and age-long sleep (≥9h/day) was positively associated with metabolic syndrome only in younger (OR 2.13; 95% CI 1.38-3.28) and middle-aged (OR 1.63; 95% CI 1.21-2.21) women. Short sleep (≤5h/day) was not associated with metabolic syndrome in any sex and age groups. However, extremely short sleep (≤4h/day) was associated with metabolic syndrome in middle-aged men (OR 1.76, 95% CI 1.05-2.96). CONCLUSION: These data suggest that sex and age significantly modify the relationship between sleep duration and metabolic syndrome.
Full Text
http://www.sciencedirect.com/science/article/pii/S0168822713003458
DOI
10.1016/j.diabres.2013.10.003
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
김현창(Kim, Hyeon Chang) ORCID logo https://orcid.org/0000-0001-7867-1240
서일(Suh, Il) ORCID logo https://orcid.org/0000-0002-9689-7849
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/88865
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