Familiality and clinical outcomes of sleep disturbances in major depressive and bipolar disorders

Yin Chieh Lai, Ming Chyi Huang, Hsi Chung Chen, Ming Kun Lu, Yi Hang Chiu, Winston W. Shen, Ru Band Lu, Po Hsiu Kuo

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Objective: Sleep disturbances are frequently observed in major depressive (MDD) and bipolar disorder (BD). This study reported sleep profiles of patients and their relatives versus controls, and examined the familiality of sleep features in mood disorder families. We also evaluated the influences of sleep disturbance on patients' quality of life (QOL), functional impairment, and suicidality. Methods: We recruited 363 BD and 157 MDD patients, 521 first-degree relatives, and 235 healthy controls, which completed a diagnostic interview, Pittsburgh Sleep Quality Index (PSQI), and QOL questionnaire. The magnitude of heritability of sleep features was calculated and familiality was evaluated by mixed regression models and intraclass correlation coefficient (ICC). The associations between sleep problems and clinical outcomes were examined using multiple regression models. Results: More than three-quarters of mildly-ill patients were classified as "poor sleepers". MDD patients had significantly worse sleep quality as compared to BD patients. Moderate but significant familial aggregation was observed in subjective sleep quality, sleep latency, disturbance, daytime dysfunction, and global score (ICC=0.10-0.21, Padj=2.8) and suicide attempts (ORadj=1.9-2.8). Conclusion: Subjectively measured sleep features demonstrated significant familiality. Poor sleep quality further impaired patients' daily function and QOL, in addition to increasing the risk of suicidality, and thus requires special attention in related clinical settings.

Original languageEnglish
Pages (from-to)61-67
Number of pages7
JournalJournal of Psychosomatic Research
Volume76
Issue number1
DOIs
Publication statusPublished - Jan 2014

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Major Depressive Disorder
Bipolar Disorder
Sleep
Quality of Life
Mood Disorders
Suicide
Interviews

Keywords

  • Bipolar disorder
  • Familial aggregation
  • Major depressive disorder
  • Quality of life
  • Sleep disturbance

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Clinical Psychology

Cite this

Familiality and clinical outcomes of sleep disturbances in major depressive and bipolar disorders. / Lai, Yin Chieh; Huang, Ming Chyi; Chen, Hsi Chung; Lu, Ming Kun; Chiu, Yi Hang; Shen, Winston W.; Lu, Ru Band; Kuo, Po Hsiu.

In: Journal of Psychosomatic Research, Vol. 76, No. 1, 01.2014, p. 61-67.

Research output: Contribution to journalArticle

Lai, Yin Chieh ; Huang, Ming Chyi ; Chen, Hsi Chung ; Lu, Ming Kun ; Chiu, Yi Hang ; Shen, Winston W. ; Lu, Ru Band ; Kuo, Po Hsiu. / Familiality and clinical outcomes of sleep disturbances in major depressive and bipolar disorders. In: Journal of Psychosomatic Research. 2014 ; Vol. 76, No. 1. pp. 61-67.
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