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Review: pharmacological and psychological interventions can reduce violent behaviour outcomes in high-risk populations

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Question

Questtion

Are pharmacological, psychosocial and organisational intervention strategies effective at reducing violence in mental health and criminal justice populations?

Outcomes

Violent behaviour assessed either directly (eg, reconviction for a violent offence) or indirectly through a proxy measure (eg, validated anger measure).

Methods

Design

Systematic review and meta-analysis.

Data sources

PsycINFO, MEDLINE, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Allied and Complementary Medicine Database (AMED), British Nursing Index/Royal College of Nursing, International Bibliography of the Social Sciences (IBSS), Education Resources Information Center (ERIC)/International ERIC, The Cochrane Library and Web of Science were searched from January 2002 to April 2008.

Study selection and analysis

To be eligible for inclusion studies had to (1) evaluate an intervention aimed at reducing violence against other people; (2) include participants aged 17 years or above who either had a mental disorder, were offenders or had committed indictable offences; and(3) report an outcome of interest. Randomised controlled trials (RCTs) reporting data that could be converted into ORs were included in the meta-analysis. Heterogeneity was assessed using I2 and Q estimates, and publication bias was examined using a funnel plot.

Main results

A total of 198 studies …

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