131
Participants
Start Date
April 30, 2005
Primary Completion Date
February 29, 2008
Study Completion Date
February 29, 2008
Voucher-Based Reinforcement Therapy
"Participants were randomized into either the CM or control condition. Both conditions earned points for attendance and participation (max 364 points).~Participants in the CM condition also earned points for targeted health-promoting behaviors and for drug/alcohol abstinence. CM points for targeted health-promoting behaviors were not limited. Points for abstaining from substance use were awarded based on a Level 1 (recent abstinence for amphetamine, methamphetamine, PCP, and cocaine metabolites, as well as blood alcohol \<0.05) urine sample."
Friends Community Center, Los Angeles
Lead Sponsor
National Institute on Drug Abuse (NIDA)
NIH
Friends Research Institute, Inc.
OTHER