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Relationships of sleep duration with sociodemographic and health‐related factors,psychiatric disorders and sleep disturbances in a community sample of Korean adults
Authors:SUBIN PARK  MAENG JE CHO  SUNG MAN CHANG  JAE NAM BAE  HONG JIN JEON  SEONG‐JIN CHO  BYUNG‐SOO KIM  IN‐WON CHUNG  JOON HO AHN  HAE WOO LEE  JIN PYO HONG
Affiliation:1. Department of Psychiatry, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea;2. Department of Neuropsychiatry, Seoul National University Hospital, Seoul, South Korea;3. Department of Psychiatry, Kyungpook National University College of Medicine, Daegu, South Korea;4. Department of Psychiatry, College of Medicine, Inha University, Incheon, South Korea;5. Department of Psychiatry, Depression Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea;6. Department of Psychiatry, Gachon University of Medicine and Science, Incheon, South Korea;7. Department of Neuropsychiatry, Dongguk University College of Medicine, International Hospital, Goyang, South Korea;8. Department of Psychiatry, University of Ulsan College of Medicine, Ulsan Medical Center, Ulsan, South Korea
Abstract:
The aim of this study is to examine relationships of sleep duration with sociodemographic and health‐related factors, psychiatric disorders and sleep disturbances in a nationwide sample in Korea. A total of 6510 subjects aged 18–64 years participated in this study. Logistic regression was used to calculate the odd ratios and 95% confidence intervals of the covariates, psychiatric disorders and sleep disturbances across the following sleep duration categories: 5 h or less, 6, 7, 8 and 9 h or more per day. Low levels of education, unemployment and physical illness were associated with sleeping for 5 h or less and 9 h or more. Being older and widowed/divorced/separated, high levels of physical activity, pain/discomfort, obesity and high scores on the General Health Questionnaires were associated with sleeping for 5 h or less. Female, being younger and underweight were associated with sleeping for 9 h or more. Alcohol dependence, anxiety disorder and social phobia were associated significantly with sleeping for 5 h or less and 9 h or more. Other psychiatric disorders were more common in subjects who slept for 5 h or less (e.g. alcohol use disorder, mood disorder, major depressive disorder, dysthymic disorder, obsessive‐compulsive disorder and specific phobia) or 9 h or more (e.g. post‐traumatic stress disorder). In addition, subjects who slept for 5 h or less reported more sleep disturbances than did subjects who slept for 7 h. Short or long sleep is associated with psychiatric disorders and/or sleep disturbance, therefore attention to the mental health of short or long sleepers is needed.
Keywords:epidemiology  mental disorders  sleep  sleep initiation and maintenance disorders
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