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The Relationship Between Therapist and Patient Gender/Race Matching and Substance Use Outcomes Across Two Motivational Enhancement Therapy Trials.

Poster presented at the College on Problems of Drug Dependence (CPDD) annual meeting, Hollywood, FL, June 18-23, 2011.

Alyssa A. Forcehimes, PhD (University of New Mexico, SW Node), Masato Nakazawa (University of New Mexico, SW Node), LaTrice Montgomery, MA (University of Cincinnati, OV Node), Ann Kathleen Burlew, PhD (The Crossroad Center/University of Cincinnati, OV Node), Andrzej S. Kosinski, PhD (Duke University, CTN Data and Statistics Center), Prasad Kothari, MS (Center for the Clinical Trials Network (CCTN), NIDA).

Although some research supports patient/therapist similarity in developing a therapeutic alliance more successfully, findings are mixed. The aim of this study was to examine the moderating effects of gender/race matching between therapists and patients on alliance and substance use outcomes. Identical measures were obtained in two CTN trials of MET (CTN-0004 and CTN-0021). Participants were patients (valid N=344) and therapists (valid N=24) participating in these trials who had complete data from the HAQ-II (measuring therapeutic alliance), ASI-Lite data at baseline and week 4 (post-treatment), and indicated perceptions of their provider's race and gender on a post-treatment questionnaire. The authors hypothesized that patients' perception of their therapists' race and gender would (1) affect post-treatment substance use, and (2) moderate the relationship between therapeutic alliance, defined by patient and therapist scores on the HAQ-II, and substance use. The relationship among the variables was examined. Racially matched patients reported significantly fewer days of drug use. However, racial match was unrelated to patient perceived alliance. When HAQ-II therapists' scores were included in the model, racially matched patients again reported significantly fewer days of drug use. Race matching significantly moderated the relationship between the alliance perceived by therapists and substance use. Gender matched patients reported significantly more days of drug use even after HAQ-II therapists' scores were included in the model. Gender similarity did not significantly affect the level of alliance indicated by patients or therapists. In conclusion, findings from this study support racial, but not gender, matching. (Poster, PowerPoint slides, English, 2011)

Keywords: Addiction Severity Index-Lite (ASI-Lite) | Behavior therapy | Community health services | Counselors | CTN platform/ancillary study | Gender differences | Helping Alliance Questionnaire (HAQ-II) | Minority groups | Motivational Enhancement Therapy (MET) | Motivational interviewing (MI) | Therapeutic alliance | Women | College on Problems of Drug Dependence (CPDD) annual meeting, 2011

Document No: 701

Submitted by Alyssa A. Forcehimes, PhD, SW Node (6/27/2011).

Burlew, Ann Kathleen search mail
Forcehimes, Alyssa A. search mail
Kosinski, Andrzej S. search mail
Kothari, Prasad search mail
Montgomery, LaTrice search mail
Nakazawa, Masato search
NIDA-CTN-0004 www
NIDA-CTN-0021 www

Supported by a grant from the National Institute on Drug Abuse to the University of Washington Alcohol and Drug Abuse Institute.
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Updated 6/2011 --