Table 2 Characteristics of non-randomized studies examining the effect of cognitive behavior group therapy
Study, year, country | Setting | Population (N, mean age) | Intervention | Control condition | Outcome definition | Length of follow-up | Results: primary outcome |
|---|---|---|---|---|---|---|---|
Haggård et al. [31], 2017, Sweden | Prison and probation offices | Consecutive sample of male IPV perpetrators: (N = 792, mean age 39.55 years) | Manual-based group program for male perpetrators (IDAP), including a pro-feminist psychoeducational approach | Concomitant IPV offender controls who did not enter IDAP | Any new convictions for any violent recidivism and IPV during the follow up time | From time of recruitment unto study (2004–2007) until March 2, 2011. Mean time at risk, 4.6 years | 19% (N = 65) of IDAP participants and 19% (N = 84) controls recidivated in violence against a partner or former partner |
Boira et a. [32], 2013, Spain | Setting unclear. Treatment delivered by psychologists specialized in intimate partner violence | Male perpetrators convicted for IPV and court ordered to treatment (N = 62, mean age 39.70 years) | Three treatment modalities: 1. Structured group 2. Unstructured group (open group format) 3. Individual therapy | Waiting list | Police reports on new intimate partner violence | 18 months | 6.4% of the participants across the interventions were reported to the police for new intimate partner violence |