Epidemiology of Insomnia in Korean Adults: Prevalence and Associated Factors


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%, P4.5 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. J Clin Neurol 2009;5:20-23This work was supported by the research promoting grant from the Keimyung University Dongsan Medical Center in 2006

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oaioai:repository.hanyang.ac.kr:20.500.11754/82331Last time updated on 2/3/2019

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