Weekend catch-up sleep is independently associated with suicide attempts and self-injury in Korean adolescents

Seung Gul Kang, Yu Jin Lee, Seog Ju Kim, Weonjeong Lim, Heon-Jeong Lee, Young Min Park, In Hee Cho, Seong Jin Cho, Jin Pyo Hong

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The current study aims to determine the associations of insufficient sleep with suicide attempts and self-injury in a large, school-based Korean adolescent sample. A sample of 4553 middle- and high-school students (grades 7-10) was recruited in this study. Finally, 4145 students completed self-report questionnaires including items on sleep duration (weekday/weekend), self-injury, suicide attempts during the past year, the Suicidal Ideation Questionnaire (SIQ), and the Beck Depression Inventory (BDI). A multiple linear regression model showed that higher SIQ scores were associated with longer weekend catch-up sleep duration (p = 0.009), higher BDI score (p < 0.001), and longer time spent in a private educational institute (p = 0.025). The multiple logistic regression analysis revealed that longer weekend catch-up sleep duration (p = 0.011), higher BDI score (p < 0.001), longer time spent in a private educational institute (p = 0.046), and poorer academic record (p = 0.029) were associated with suicide attempt and self-injury during the past year. The present results suggest that weekend catch-up sleep duration - which is an indicator of insufficient weekday sleep - might be associated with suicide attempts and self-injury in Korean adolescents.

Original languageEnglish
Pages (from-to)319-325
Number of pages7
JournalComprehensive Psychiatry
Volume55
Issue number2
DOIs
Publication statusPublished - 2014 Feb 1

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Suicide
Sleep
Wounds and Injuries
Suicidal Ideation
Depression
Equipment and Supplies
Linear Models
Students
Self Report
Logistic Models
Regression Analysis
Surveys and Questionnaires

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Clinical Psychology

Cite this

Weekend catch-up sleep is independently associated with suicide attempts and self-injury in Korean adolescents. / Kang, Seung Gul; Lee, Yu Jin; Kim, Seog Ju; Lim, Weonjeong; Lee, Heon-Jeong; Park, Young Min; Cho, In Hee; Cho, Seong Jin; Hong, Jin Pyo.

In: Comprehensive Psychiatry, Vol. 55, No. 2, 01.02.2014, p. 319-325.

Research output: Contribution to journalArticle

Kang, Seung Gul ; Lee, Yu Jin ; Kim, Seog Ju ; Lim, Weonjeong ; Lee, Heon-Jeong ; Park, Young Min ; Cho, In Hee ; Cho, Seong Jin ; Hong, Jin Pyo. / Weekend catch-up sleep is independently associated with suicide attempts and self-injury in Korean adolescents. In: Comprehensive Psychiatry. 2014 ; Vol. 55, No. 2. pp. 319-325.
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