Trauma Severity, Poly-victimization, and Treatment Response: Adults in an Inpatient Trauma Program
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The goal of the current study was to evaluate the extent to which abuse history predicted change in treatment in an inpatient setting. Poly-victimization and trauma severity were examined as predictors of treatment response measured by the Trauma Symptom Checklist-40 and the Symptom Checklist-90-R at admission, discharge, and 6-months follow-up. Data from 161 clients of an inpatient trauma treatment program were analyzed using structural equation modeling. Results indicate that level of poly-victimization predicted treatment response from admission to discharge on two of four outcome variables; however, this relationship was not found at follow-up. Further analyses suggest that the difference in treatment response at discharge among clients with higher rates of poly-victimization was an artifact of scores at admission. Trauma severity analyses reveal that differing types of abusive experiences generally did not predict treatment response. Overall, results demonstrate that this inpatient treatment program is similarly effective for a broad array of patients, including those with a greater number, and higher severity, of victimizations.
KeywordsInpatient treatment Childhood trauma Poly-victimization Trauma severity Treatment response
This research was funded by grants to the second author from the Homewood Foundation and the Social Sciences and Humanities Research Council of Canada. This research was also funded by grants to the first author from the Ontario Graduate Scholarship and the Lillian Wright Maternal-Child Health Graduate Scholarship. The authors wish to acknowledge the support of David Wright, Joanne Rappaport, Taryn Moss, and Robert A. Cribbie.
Julie S. Cinamon, M.A., is a Doctoral candidate in the Department of Psychology in the Clinical-Developmental Area at York University in Toronto, Ontario, Canada. Her research focuses on the role of parental support for children following disclosure of abuse and over the course of trauma therapy. She also received a Master of Arts from Concordia University in the Clinical Stream in Montréal, Québec.
Robert T. Muller, Ph.D., is Professor of Psychology, Faculty of Health, York University; and Fellow of the International Society for the Study of Trauma & Dissociation. He is also the Founding Editor of The Trauma & Mental Health Report.
Susan Rosenkranz, Ph.D., C. Psych., is currently a psychologist at the Centre for Addiction and Mental Health in Toronto, Canada, where she engages in research and clinical work in the area of youth substance use problems and concurrent mental health concerns, with a specific interest in the role of trauma. She received her Ph.D. from York University in Toronto, Canada.
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