Identification Code
Age at Enrollment
Beck Depression Score
Heroin/Cocain Use During 3 Months Prior to Admission
History of IV Drug Use
Number of Prior Drug Treatments
Subject's Race
Treatment Randomization Assignment
Treatment Site
Length of Stay in Treatment (admission date to exit date)
Time to Drug Relapse (measured from Admission Date)
Event for Treating Lost to Follow-up as Returned to Drugs