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|Title:||Sleep disturbances and suicidality : a longitudinal analysis from a representative community study over 30 years|
|Authors :||Rössler, Wulf|
Hengartner, Michael P.
|Published in :||Frontiers in Psychiatry|
|Publisher / Ed. Institution :||Frontiers Research Foundation|
|License (according to publishing contract) :||CC BY 4.0: Namensnennung 4.0 International|
|Type of review:||Open peer review|
|Subject (DDC) :||616.8: Neurology, diseases of nervous system|
|Abstract:||Study objectives: Associations between sleep problems and suicidality are increasingly acknowledged, but prospective data from well-controlled long-term community studies are lacking. Methods: We analyzed data from a longitudinal cohort study with n = 591 young adults from Zurich, Switzerland, prospectively followed from 1979 (age 20/21 years) to 2008 (age 49/50 years). Twelve-month prevalence of various mental disorders, socio-environmental confounders and sleep problems were carefully assessed with semi-structured interviews at 7 assessment waves spanning overall a 30-year observation period. Interviews were conducted with the “Structured Psychopathological Interview and Rating of the Social Consequences of Psychological Disturbances for Epidemiology” (SPIKE). The 12-month prevalence of sleep problems was graded according to frequency and associated distress of reported symptoms. 12-month prevalence of suicidality was classified as either mild (transient suicidal ideation) or severe (self-harm, suicide attempts). Results: Concurrently, and fully adjusted for several covariates, including mental disorders, relative to no sleep problems there was an odds ratio (OR) of OR = 1.9 (95% confidence interval 1.4–2.5), OR = 3.3 (2.5–4.4), and OR = 1.9 (1.3–2.8) for mild, moderate and severe sleep problems in association with suicidality. There was no evidence for a prospective effect of broad sleep problems on subsequent suicidality. Mild suicidality, but not severe suicidality, prospectively predicted subsequent broad sleep problems in the fully adjusted multivariate model (adjusted OR = 1.5; 1.1–1.9). Disturbed sleep initiation, a proxy for insomnia, significantly predicted subsequent suicidality (OR = 1.5; 1.1–1.9), whereas mild suicidality, but not severe suicidality, significantly predicted subsequent insomnia (OR = 1.5; 1.1–2.0).|
|Organisational Unit:||Psychological Institute (PI)|
|Publication type:||Article in scientific Journal|
|Appears in Collections:||Publikationen Angewandte Psychologie|
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