From: Therapeutic community drug treatment success in Peru: a follow-up outcome study
Type of Substance use | Before Treatment | 6 months after Treatment | Difference3 | Effect Size4 | ||||
---|---|---|---|---|---|---|---|---|
 | Self reported1 | Self or Family reported2 | Self reported1 | Self or Family reported2 | Self reported1 | Self or Family reported2 | Self reported1 | Self or Family reported2 |
Illegal Drug use | 90% | 91% | 34% | 43% | 56%*** | 49%*** | 1.12 (Large) | .98 (Large) |
PCB (Coca Paste) use | 62% | 67% | 22% | 33% | 40%*** | 35%*** | .82 (Large) | .72 (Medium) |
Cocaine use | 30% | 39% | 8% | 20% | 22%*** | 19%*** | .52 (Medium) | .48 (Medium) |
Cannabis use | 37% | 45% | 13% | 24% | 24%*** | 21%*** | .53 (Medium) | .49 (Medium) |
Alcohol use to intoxication | 68% | 72% | 33% | 42% | 35%*** | 31%*** | .67 (Medium) | .62 (Medium) |