Category: Violence / Aggression

Symposium

PTSD Symptoms Predict Outcome in Trauma-Informed Treatment of Intimate Partner Aggression

Saturday, November 18
10:15 AM - 11:45 AM
Location: Cobalt 501, Level 5, Cobalt Level

Keywords: Intimate Partner Aggression | PTSD Posttraumatic Stress Disorder | Trauma
Presentation Type: Symposium

This study sought to extend findings from a randomized controlled trial of the Strength at Home Men’s Program (SAH-M) for intimate partner aggression (IPA) in military veterans by examining the impact of pre-treatment posttraumatic stress disorder (PTSD) symptoms on treatment efficacy, and by examining new data on post-intervention follow-up for individuals who received SAH-M after completing the enhanced treatment as usual (ETAU) wait-list control condition. Using data from 125 male veterans who attended the SAH-M program immediately after an intake assessment or after waiting 6-months in the ETAU condition, this study used generalized linear modeling to examine predictors of physical and psychological IPA over a 9-month period of time. PTSD symptoms at intake significantly predicted both physical and psychological IPA use, even after accounting for the effects of treatment condition, time, and number of sessions attended. An interaction between PTSD and treatment was supported for psychological IPA but not for physical IPA.  There was a significant effect of SAH-M in reducing IPA in the full sample, including previously unanalyzed outcome data from the ETAU condition. The combination of the main effect of PTSD for both types of IPA and the observed interaction for psychological IPA suggest that PTSD symptoms can impede the success of this trauma-informed intervention either through a direct association between untreated PTSD and IPA, or by interfering with the treatment. Results suggest the efficacy of the SAH-M treatment program may be further optimized by addressing PTSD symptoms, either by adapting program content or through adjunctive interventions. Results extend prior analyses by demonstrating the effectiveness of SAH-M in reducing use of IPA in both the treatment and ETAU conditions.

Suzannah K. Creech

Clinical Research Psychologist, Treatment Core
VHA VISN 17 Center of Excellence for Research on Returning War Veterans and the Central Texas Veterans Healthcare System; Dell Medical School of the University of Texas at Austin, Department of Psychiatry

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PTSD Symptoms Predict Outcome in Trauma-Informed Treatment of Intimate Partner Aggression



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