How effective are interventions to improve social outcomes among offenders with personality disorder: a systematic review [2017]

Background
Offenders with personality disorder are supported by health, criminal justice, social care and third sector services. These services are tasked with reducing risk, improving health and improving social outcomes. Research has been conducted into interventions that reduce risk or improve health. However, interventions to improve social outcomes are less clearly defined.

Methods
To review the effectiveness of interventions to improve social outcomes we conducted a systematic review using Cochrane methodology, expanded to include non-randomised trials. Anticipated high heterogeneity of the studies informed narrative synthesis.

Results
Eleven studies met inclusion criteria. Five contained extractable data. No high-quality studies were identified. Outcomes measured clustered around employment and social functioning. Interventions vary and their mechanisms for influencing social outcomes are poorly operationalised. Although change was observed in employment rates, there was no evidence for the effectiveness of these interventions.

Conclusions
There is a lack of evidence for effective interventions that improve social outcomes. Further research is recommended to reach consensus on the outcomes of importance, identify the factors that influence these and design theoretically-informed and evidence-based interventions.

Catriona Connell, Vivek Furtado, Elizabeth A. McKay & Swaran P. Singh
BMC Psychiatry, volume 17, Article number: 368 (2017)
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