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논문 기본 정보

자료유형
학술저널
저자정보
Lee Joohee (Department of Psychiatry Asan Medical Center University of Ulsan College of Medicine) Cho Inn-Kyu (Department of Psychiatry Asan Medical Center University of Ulsan College of Medicine) Kim Kyumin (Department of Psychiatry Asan Medical Center University of Ulsan College of Medicine) Kim Changnam (Department of Psychiatry Samsung Changwon Hospital Sungkyunkwan University School of Medicine) Park C. Hyung Keun (Department of Psychiatry Asan Medical Center University of Ulsan College of Medicine) Yi Kikyoung (Department of Psychiatry Yongin Mental Hospital) Chung Seockhoon (Department of Psychiatry Asan Medical Center University of Ulsan College of Medicine)
저널정보
대한신경정신의학회 PSYCHIATRY INVESTIGATION PSYCHIATRY INVESTIGATION 제19권 제4호
발행연도
2022.4
수록면
281 - 288 (8page)
DOI
10.30773/pi.2021.0373

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Objective The aim of this study was to explore the factors that can influence the severity of insomnia in the general population. We also aimed to examine whether sleep effort mediates the association between dysfunctional beliefs about sleep or the discrepancy between desired time in bed and desired total sleep time (DBST) and insomnia severity in individuals.Methods A total of 387 participants enrolled in this e-survey study. The symptoms were rated using the insomnia severity index (ISI), Patients Health Questionnaire-9 items, Dysfunctional Beliefs about Sleep-2 items, Glasgow Sleep Effort Scale, and Stress and Anxiety to Viral Epidemics-6 items. In addition, we defined a new sleep index named the DBST index. A linear regression analysis was performed to explore the factors predicting ISI scores, and mediation analysis was implemented to explore whether persistent preoccupation with sleep mediated the influence of dysfunctional beliefs about sleep and DBST on insomnia severity.Results A linear regression analysis investigated depression (β=0.17, p<0.001), sleep effort (β=0.50, p<0.001), dysfunctional beliefs about sleep (β=0.13, p=0.001), and DBST (β=0.09, p=0.014) (adjusted R<i>2</i>=0.50, F=65.7, p<0.001). Additionally, we observed that persistent preoccupation with sleep partially mediated the influence of dysfunctional beliefs about sleep and DBST on insomnia severity. Conclusion Depression, preoccupation with sleep, dysfunctional beliefs about sleep, and DBST influenced the insomnia severity of the general population. We also observed that a persistent preoccupation with sleep partially mediated the influence of dysfunctional beliefs about sleep and the DBST index on insomnia severity.Conclusion Depression, preoccupation with sleep, dysfunctional beliefs about sleep, and DBST influenced the insomnia severity of the general population. We also observed that a persistent preoccupation with sleep partially mediated the influence of dysfunctional beliefs about sleep and the DBST index on insomnia severity.

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