Prevalence of sleep-disordered breathing in middle-aged Korean men and women

Jin Kwan Kim, Kwang Ho In, Je Hyeong Kim, Se Hwa You, Kyung Ho Kang, Jae Jeong Shim, Sang Yeub Lee, Jung Bok Lee, Seung Gwan Lee, Chan Park, Chol Shin

Research output: Contribution to journalArticlepeer-review

363 Citations (Scopus)


With many epidemiologic studies made to establish the prevalence of sleep-disordered breathing (SDB) and obstructive sleep apnea syndrome (OSAS) in Western countries, no such data have been reported in Korea. The purpose of this study was to examine the prevalence of SDB and OSAS, and their related factors in Korean adults aged 40-69 years. Among the total of 5,020 participants at the baseline examination of the Korean Health and Genome Study, a random sample of 457 men and women was studied with employment of overnightf ull polysomnography to determine the prevalence of SDB and OSAS. The prevalence of SDB (apnea-hypopnea index ≥ 5) was 27% and 16% in men and women, respectively. When OSAS was defined by an apnea-hypopnea index ≥ 5 plus excessive daytime sleepiness, its prevalence was 4.5% in men and 3.2% in women. Logistic regression analyses showed that sex, body mass index, and hypertension were closely associated with the risk of SDB. Our findings show that SDB is a common problem in the Korean adult population. Understanding and treatment of SDB may be essential in terms of intervention to reduce the risk of related medical problems.

Original languageEnglish
Pages (from-to)1108-1113
Number of pages6
JournalAmerican Journal of Respiratory and Critical Care Medicine
Issue number10
Publication statusPublished - 2004 Nov 15


  • Epidemiology
  • Korea
  • Sleep apnea

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine


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