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Short-term effects of psychiatric symptoms and interpersonal stressors on criminal violence: a case cross-over study
Dept. of Public Health Sciences Division of Social Medicine, Karolinska Institutet, Stockholm, Sweden.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Preventive Medicine.
2006 (English)In: Social Psychiatry and Psychiatric Epidemiology, ISSN 0933-7954, E-ISSN 1433-9285, Vol. 41, no 7, 532-540 p.Article in journal (Refereed) Published
Abstract [en]


The aim of the study was to analyse the triggering or acute risk effect of psychiatric symptoms and interpersonal stressors on criminal violence.


One hundred and thirty three violent offenders were recruited from a forensic psychiatric evaluation (FPE) unit and a national prison evaluation unit in Sweden during 2002-2003, and were interviewed about trigger exposures. A case-crossover design was used eliminating long-term within individual confounding.


Suicidal ideation or parasuicide within 24 h before the violent event conferred a ninefold risk increase. In contrast, violent ideation did not trigger criminal violence. Hallucinations yielded a fourfold risk increase, whereas paranoid thoughts were associated with a small and statistically non-significant risk increase. Acute conflicts with others and being denied psychiatric care within 24 h before violence also increased the risk of acting violently.


Some tested psychiatric symptoms and stressors triggered criminal violence, whereas others did not. The case-crossover design may be particularly useful for the study of triggers of violence.

Place, publisher, year, edition, pages
2006. Vol. 41, no 7, 532-540 p.
Keyword [en]
violence, mental disorders, risk factors, life events, trigger, case-crossover
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-113436DOI: 10.1007/s00127-006-0056-0ISI: 000238683400004PubMedID: 16565911OAI: oai:DiVA.org:uu-113436DiVA: diva2:290780
Available from: 2010-01-28 Created: 2010-01-28 Last updated: 2013-12-09Bibliographically approved

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