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The relationship between childhood maltreatment and violence to others in individuals with psychosis: a systematic review and meta-analysis

Green, Kathleen; Browne, Kevin; Chou, Shihning

Authors

KATHLEEN GREEN KATHLEEN.GREEN@NOTTINGHAM.AC.UK
Assistant Professor of Forensic Psychology

KEVIN BROWNE kevin.browne@nottingham.ac.uk
Professor of Forensic Psychology and Child Health



Abstract

Background: There is a growing body of literature identifying a relationship between experiences of child abuse and symptoms of psychosis in adults. However, the impact of this relationship on risk of violence has not been systematically explored.
Aims: This meta-analysis aimed to consider the influence of childhood abuse on the risk of violence amongst individuals with psychosis.
Method: Five bibliographic databases and two grey literature resources were systematically searched to identify quantitative research which measured risk of violence and experiences of childhood maltreatment in individuals with psychosis. Risk of bias for each study was assessed under pre-defined criteria. Logged odds ratios were synthesised quantitatively in a meta-analysis.
Results: A total of 6298 studies were identified, 11 of which were included in the final analysis (N = 2215), all studies were of a cross-sectional or case-control design. Individuals with psychotic illnesses who reported historical child maltreatment were at approximately twice the risk of perpetrating violence than patients who reported no early abuse (OR = 2.46 (95% CI = 1.91 – 3.16). There was no statistical heterogeneity between main effects (τ = 0.00; Χ² = 8.87, df = 10, p = 0.54, I² = 0%).
Discussion: Risk assessments and interventions may benefit from considering the unique contribution of trauma to violence in this population. Future research considering the interaction between childhood experiences and other risk factors for violence in this population, including specific symptoms of psychosis, would inform the current findings. Findings are limited by the lack of longitudinal research in this area, and there was some evidence of publication bias.

Journal Article Type Article
Journal Trauma, Violence, and Abuse
Print ISSN 1524-8380
Electronic ISSN 1524-8380
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
APA6 Citation Green, K., Browne, K., & Chou, S. (in press). The relationship between childhood maltreatment and violence to others in individuals with psychosis: a systematic review and meta-analysis. Trauma, Violence, and Abuse, https://doi.org/10.1177/1524838017708786
DOI https://doi.org/10.1177/1524838017708786
Keywords child abuse and neglect, violent offenders, mental health, psychosis and violence
Publisher URL http://journals.sagepub.com/doi/pdf/10.1177/1524838017708786
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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