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The Relationship between Insomnia and Suicidal Idea Through Resilience

회복탄력성을 통한 주관적 불면의 심각도와 자살사고와의 관계

  • Jung, Saim (Department of Psychiatry, Chungbuk National University Hospital) ;
  • Ju, Gawon (Department of Psychiatry, Chungbuk National University Hospital) ;
  • Lee, Sang Ick (Department of Psychiatry, College of Medicine, Chungbuk National University) ;
  • Shin, Chul-Jin (Department of Psychiatry, College of Medicine, Chungbuk National University) ;
  • Son, Jung-Woo (Department of Psychiatry, College of Medicine, Chungbuk National University) ;
  • Kim, Siekyeong (Department of Psychiatry, College of Medicine, Chungbuk National University)
  • 정사임 (충북대학교병원 정신건강의학과) ;
  • 주가원 (충북대학교병원 정신건강의학과) ;
  • 이상익 (충북대학교 의과대학 정신건강의학교실) ;
  • 신철진 (충북대학교 의과대학 정신건강의학교실) ;
  • 손정우 (충북대학교 의과대학 정신건강의학교실) ;
  • 김시경 (충북대학교 의과대학 정신건강의학교실)
  • Received : 2017.11.01
  • Accepted : 2017.12.15
  • Published : 2017.12.31

Abstract

Objectives : Insomnia may be one of the risk factor for suicidal ideation, but little is known about the mechanism by which sleep disturbances confer risk for suicide. The aim of this study was to investigate examine whether insomnia severity would be associated with resilience and suicidal ideation, and whether resilience would mediate the relationship between insomnia and suicidal ideation. Methods : A total of 432 community-dwelling adults(227 male, 205 female,) completed the self-report questionnaire that covered basic socio-demographic data. To assess the psychological variables, the following instruments were applied: Insomnia Severity Index(ISI), Korean Version of the Connor-Davidson Resilience Scale(K-CD-RISC), Beck Hopelessness Scale(BHOP) and Scale for Suicidal Ideation(SSI-Beck). People with an ISI score of 8 or higher were defined as insomnia. Results : Greater insomnia symptom severity was significantly associated with higher level of suicidal ideation and lower level of resilience, adjusting for hopelessness, age, sex, presence of family members living together, and household income. Additional analysis revealed that disturbance of sleep initiation and disturbance of sleep maintenance were significantly associated with suicidal ideation. Mediation analyses revealed that resilience significantly accounted for the relationship between insomnia symptom severity and suicidal ideation. Conclusions : These findings suggest that the evaluation and control of insomnia and resilience may be needed to reduce the risk of suicide.

연구목적 불면은 자살사고의 위험요인으로 알려져 있으나 아직 어떻게 자살의 위험에 영향을 미치는지 그 기전은 명확하지 않다. 이에 불면 증상이 회복탄력성과 자살사고와 상관이 있는 지를 살펴보고, 회복탄력성이 불면증상과 자살사고의 매개요소가 될 수 있을지 알아보고자 한다. 방 법 432명의 대학생을 대상으로 자기보고식 설문지를 통하여 일반적 특성 및 관련 검사를 수행하였다. 불면증 심각성 척도, 한국판 코너-데이비드슨 회복탄력성척도, 벡 자살사고 척도 및 벡 무망감 척도를 활용하여 불면증상, 자살사고, 회복탄력성, 무망감에 대해 조사하였으며, 각 요소간의 상관분석 및 경로분석을 수행하였다. 결 과 불면증상이 심할수록 회복탄력성이 낮았고, 자살사고가 증가되는 것을 알 수 있었다. 이는 무망감, 연령, 성별, 동거가족, 가정 내 월수입을 통제하여도 유의하였다. 더불어 입면의 어려움과 유지의 어려움을 겪는 불면증상이 자살사고와 연관됨을 확인하였다. 경로분석을 통하여 불면증상이 자살사고에 직접적, 간접적으로 영향을 미침을 확인할 수 있었으며, 회복탄력성도 유의하게 자살사고에 영향을 주는 것으로 평가되었다. 이에 회복탄력성이 불면과 자살사고와의 관계에 유의미한 중재자가 됨을 확인하였다. 결 론 수면상태와 회복탄력성에 대한 평가 및 개입이 자살사고를 낮추어 자살을 예방하는데 기여할 수 있을 것으로 기대한다.

Keywords

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