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Enhancing Intervention Strategies for Intimate Partner Violence Perpetrators with Alcohol and Drug Abuse: A Randomized Controlled Trial
Fri, September 5, 5:00 to 6:15pm, Deree | Classrooms, DC 703Abstract
Problems related to alcohol and drug use (ADUPs) have consistently been identified as a key factor that increases the risk of intimate partner violence (IPV) against women. Around 50% of individuals referred to intervention programs for IPV perpetrators (PIPVP) struggle with ADUPs, which is one of the main predictors of dropout from these programs. The primary objective of this study was to assess the effectiveness of a new motivational tool, the Individualized Motivational Plan (IMP) for participants with ADUPs (IMP-ADUPs), in enhancing participant adherence and improving PIPVP outcomes. The study followed an experimental design with participants randomly assigned to one of two intervention conditions: (1) experimental group (PIPVP+IMP-ADUPs; n = 77) and (2) control group (PIPVP+IMP; n = 73). Assessments were conducted at three points: baseline, post-intervention, and six-month follow-up. Multiple data sources—including official databases, self-reports, and facilitator evaluations—were used to measure primary outcomes (problematic alcohol and drug use, IPV indicators such as self-reported physical and psychological violence, recidivism risk assessed by facilitators, and official recidivism rates) and secondary outcomes (factors linked to intervention adherence, including dropout rates, intervention dosage, active participation, and motivation for change). The findings demonstrated an increase in intervention effectiveness, particularly in reducing alcohol consumption and improving participant adherence through higher engagement and progression in the change process. These results highlight the potential to enhance PIPVP effectiveness by addressing the specific needs of participants and emphasize the importance of developing further tools to strengthen IPV prevention efforts.