Evaluation of the Drive Intervention for High-Harm Domestic Abuse Perpetrators in England and Wales Using a Quasi-Experimental Approach

High-risk and high-harm domestic abuse perpetrators pose greatest risk of serious harm to (ex-)partners and family members. Robust evidence of perpetrator intervention is lacking for this group. The Drive perpetrator intervention in the United Kingdom focuses specifically on high-harm perpetrators to reduce abuse and increase safety of victims, using individual case management via support and disruption, co-ordinated multi-agency response and targeted support to victims. This paper reports on evaluation of the Drive pilot. A high quality quaisi-experimental approach with individually randomised intervention and controls was applied in three areas in England and Wales. High-risk perpetrators high-risk (N=2627) were allocated randomly to either Drive or usual care (support to victim). Change in safety and risk for Drive associated victims was compared with the usual care victim group. Longer term outcomes were assessed before, during and 12 months following the intervention for Drive and control group perpetrators at one site. The Drive intervention reduced abusive perpetrator behaviours and increased safety for victims compared to the control. Reduction in perpetration by both serial and repeat perpetrators sustained for a year after end of the intervention and was statistically significant (p<.001) for Drive perpetrators compared to the control.