Study, year, country | Setting | Population (N, mean age) | Intervention | Control condition | Outcome definition | Length of follow-up | Results: primary outcome |
---|---|---|---|---|---|---|---|
Alexander et al. [26], 2010, United States | Community setting serving victims and perpetrators of domestic violence | Male perpetrators (96.1% court-ordered) (N = 528, mean age 34.18 years) | Motivational Interviewing combined with Cognitive behavioural group therapy (SOCMI) 26 weeks | Cognitive behavioural group therapy (gender re-education), 26 weeks | CTS2, (psychological and physical aggression) | Perpetrator performed self-reports at 26 weeks’ post-treatment. Partner assessments were performed at 6 and 12 months | No changes in self-reported violence. Significant reductions in partner reports of physical violence at follow-up in the SOCMI group |
Murphy et al. [28], 2017, United States | A community-based domestic violence agency | Male perpetrators (N = 42, mean age 34.38 years) | Cognitive behavioural therapy, 20 individual sessions (ICBT) | Cognitive behavioural group therapy (CBGT), 20 weekly 2-h sessions | CTS2 (physical, psychological aggression, emotional abuse, relationship adjustment) | Perpetrator and partner performed self-reports at baseline and 3, 6, 9 and 12 months after baseline | CBGT produced equivalent or greater benefits than ICBT. Significant reductions in self-reported violence across conditions, with no between condition differences. Partner reports revealed more favourable outcomes for group treatment on measures of physical and psychological violence |
Palmstierna et al. [25], 2012, Norway | Specialised outpatient mental health service | Male perpetrators voluntarily seeking therapy (N = 26, mean age 35.00 years) | Cognitive behavioural group therapy. 15 weeks 2 h sessions | Waiting list | CTS extended version (physical, material, any violence, verbal aggression) | Assessment after 15 weeks of treatment and after 15 weeks on waiting list as compared to baseline assessment | Significant reductions in self-reported violence in treatment group as compared to the waiting list group |
Taft et al. [29], 2016, United States | Veteran Affairs hospitals Clinician-referrals, self-referrals, court-referrals | Male perpetrators; military veterans or service members (N = 135, mean age 37.85 years) | Cognitive behavioural group therapy, 12 weekly 2 h sessions (trauma-informed group intervention) | Treatment as usual | CTS2 (physical assault, psychological aggression) MINI, CAPS, MMEA | Perpetrators performed self-reports at baseline and 3 and 6 months after baseline. Partner assessments were performed at baseline and after 3 and 6 months | Significantly greater reductions in reported physical and psychologically intimate partner violence in the intervention group, self- and partner reports combined |