Patients Undergoing Substance Abuse Treatment and Receiving Financial Assistance for a Physical Disability Respond Well to Contingency Management Treatment

Physical illness and disability are common in individuals with substance use disorders, but little is known about the impact of physical disability status on substance use treatment outcomes. This study examined the main and interactive effects of physical disability payment status on substance use treatment. 

Participants (N=1,013) were enrolled in one of six prior randomized clinical trials comparing contingency management (CM) to standard care; 

• 79 (7.8%) participants reported receiving disability payments, 
• CM improved all three primary substance use outcomes: treatment retention, percent negative samples and longest duration of abstinence. 
• There was no significant main effect of physical disability payment status on treatment outcomes; 
• however, a significant treatment condition by physical disability status interaction effect emerged in terms of retention in treatment and duration of abstinence achieved. 
• Patients who were receiving physical disability payments responded particularly well to CM, 
• and their time in treatment and durations of drug and alcohol abstinence increased even more markedly with CM than did that of their counterparts who were not receiving physical disability assistance. 

These findings suggest an objectively defined cohort of patients receiving substance use treatment who respond particularly well to CM.

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By: Burch AE1, Morasco BJ2, Petry NM3.

• 1Calhoun Cardiology Center and Department of Medicine, University of Connecticut School of Medicine (MC 3944), 263 Farmington Ave., Farmington, CT, 06030-3944
• 2Center to Improve Veteran Involvement in Care, VA Portland Health Care System, Portland VA Medical Center, 3710 SW U.S. Veterans Hospital Road, Portland, OR, 97239; Department of Psychiatry, Oregon Health & Science University, 3314 SW US Veteran's Hospital Road, Portland, OR, 97239
• 3Calhoun Cardiology Center and Department of Medicine, University of Connecticut School of Medicine (MC 3944), 263 Farmington Ave., Farmington, CT, 06030-3944.

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