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Social Psychiatry and Psychiatric Epidemiology

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01.12.2015 | Original Paper

Social and psychological contributions to the co-occurrence of sub-threshold psychotic experiences and suicidal behavior

verfasst von: Jordan E. DeVylder, Danielle R. Jahn, Tracie Doherty, Camille S. Wilson, Holly C. Wilcox, Jason Schiffman, Matthew R. Hilimire

Erschienen in: Social Psychiatry and Psychiatric Epidemiology | Ausgabe 12/2015

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Abstract

Purpose

Psychotic experiences and suicidal behavior commonly co-occur in the general population, which can have implications for suicide prevention approaches. However, little is known about the nature of this relation in non-clinical samples. This cross-sectional study aimed to address a research gap by testing whether the relation between psychotic experiences and suicide-related outcomes (ideation, intent, and attempts) is explained by common social and psychological factors.

Methods

Young adult college students (N = 590) were assessed for psychotic experiences, suicidal behavior, and a comprehensive set of 24 potential shared risk factors selected through review of past epidemiological studies and meta-analyses. Nonparametric bootstrapped regression models were used to examine whether these factors attenuated or eliminated the associations between psychotic experiences and suicide-related outcomes.

Results

Psychotic experiences were associated with greater risk for suicidal ideation and behaviors. Adjustment for psychosocial factors, particularly those contributing to cumulative stress, accounted for the associations between psychotic experiences and suicide-related outcomes, except broadly defined suicidal ideation.

Conclusions

These results suggest that the robust associations between psychotic experiences and suicidal behavior demonstrated in past studies may be primarily explained by shared risk factors, rather than by causal relations. In our sample, suicidal behavior and sub-threshold psychosis appear to be trans diagnostic clinical outcomes that share common causes, notably cumulative stress, but do not cause one another.

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Titel: Social and psychological contributions to the co-occurrence of sub-threshold psychotic experiences and suicidal behavior
verfasst von: Jordan E. DeVylder
Danielle R. Jahn
Tracie Doherty
Camille S. Wilson
Holly C. Wilcox
Jason Schiffman
Matthew R. Hilimire
Publikationsdatum: 01.12.2015
Verlag: Springer Berlin Heidelberg
Erschienen in: Social Psychiatry and Psychiatric Epidemiology / Ausgabe 12/2015
Print ISSN: 0933-7954
Elektronische ISSN: 1433-9285
DOI: https://doi.org/10.1007/s00127-015-1139-6

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