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Epidemiology of Insomnia in Korean Adults: Prevalence and Associated Factors

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Author(s)
Yong Won ChoWon Chul ShinChang Ho YunSeung Bong HongJuhan KimChristopher J. Earley
Keimyung Author(s)
Cho, Yong Won
Department
Dept. of Neurology (신경과학)
Journal Title
Journal of Clinical Neurology
Issued Date
2009
Volume
5
Issue
1
Keyword
sleep initiation and maintenance disordersinsomniaepidemiologysleep disturbancenocturnal sleep disturbance
Abstract
Background and purpose:

Insomnia is a common complaint in adults. However, large epidemiologic studies of insomnia involving Asian populations are rarely reported. We performed an epidemiologic study of insomnia in a large Korean adult population.


Methods:
A total of 5,000 subjects (2,470 men and 2,530 women) were interviewed by telephone. A representative sample of subjects aged 20 to 69 years was constituted according to a stratified, multistage random sampling method. Insomnia was defined as either any difficulty getting to sleep or getting back to sleep after waking in the night.


Results:
More than one fifth (n=1,141, 22.8%) of the 5,000 subjects complained of insomnia, with the prevalence being significantly higher in women (25.3%) than in men (20.2%, p<0.001). Logistic regression revealed that the prevalence of insomnia increased significantly with age (p<0.001), being higher in those aged 60-69 years than in those aged 20-29 years (OR=2.368, 95% CI=1.762-3.182, p<0.001), and was lower in those with a monthly income of >4.5 million Korean won than in those with an income of <1.5 million Korean won (OR=0.689, 95% CI=0.523-0.906, p<0.01).


Conclusions:
Insomnia is a common complaint in Korean adults, and its prevalence is similar to that in adults in Western countries.
Keimyung Author(s)(Kor)
조용원
Publisher
School of Medicine
Citation
Yong Won Cho et al. (2009). Epidemiology of Insomnia in Korean Adults: Prevalence and Associated Factors. Journal of Clinical Neurology, 5(1), 20–23. doi: 10.3988/jcn.2009.5.1.20
Type
Article
ISSN
1738-6586
DOI
10.3988/jcn.2009.5.1.20
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33984
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
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