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KMID : 0389519970040020201
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Sleep Medicine.Psychophysiology
1997 Volume.4 No. 2 p.201 ~ p.212
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Sleep Habits and Insomnia-Associated Factors in Korean Adult Population: A Cross-sectional Survey of Three Rural Communities
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Jeong Do-Un
Sohn Chang-Ho
Sung Joo-Hon
Chang Soung-Hoon
Lee Kun-Sei
Lee Won-Jin
Shin Hai-Rim
Rhee Boo-Ouk
Cho Soo-Hun
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Abstract
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Objectives : We attempted to study sleep habits and insomnia-associated factors in Korean rural adult population.
Methods : In 1,441 adult subjects of three rural communities selected by cluster sampling, we administered an epidemiologic survey using questionnaire methods from July 14, 1996 to July 28, 1996.
Results : 1) Mean sleep latency and mean time to sleep again after awakening during nocturnal sleep were longer in females than in males. Females suffered more frequently from insomnia symptom, awakening during nocturnal sleep, morning headache, dysphoric mood in the morning, and the feeling of ’not refreshed’ on waking-up than males.
2) The older age group (defined as those older than 65 years) was found to have earlier bed-time, longer sleep latency, more frequent nocturia, longer time to sleep again after awakening during nocturnal sleep, and more frequent insomnia symptom.
3) The presence of insomnia symptom more than once a week was significantly associated with suffering from physical illness, being divorced-separated-widowed, frequently feeling depressed, nocturia, or low education level.
4) In multiple logistic regression analysis, old age, being female, low education level, frequently feeling depressed, and nocturia were independently associated with the presence of insomnia symptom more than once a week.
Conclusion : We conclude that, in a Korean rural adult population, insomnia symptom increases with age and females usually suffer more from insomnia symptom than males. In addition, low education level, feeling depressed mood frequently, and nocturia are found to be significantly associated independently with the presence of insomnia symptom more than once a week.
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KEYWORD
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Sleep habits, Insomnia, Risk factors, Rural Community, Epidemiology,
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