Table 4.
Substance | Use in the Past 12 Months (%) | Use in the Past 12 Months (%) | ||||
---|---|---|---|---|---|---|
| ||||||
Probation (n=307) | Parole (n=92) | |||||
| ||||||
Not in Controlled Environment (n=143) | Controlled Environment (n=164) | Chi-SquareA (p) | Not in Controlled Environment (n=28) | Controlled Environment (n=64) | Chi-Square (p) | |
Alcohol to Intoxication | 19.7% | 30.1% | 21.4% | 15.6% | ||
| ||||||
Marijuana | 33.1% | 34.1% | 7.1% | 10.9% | ||
Cocaine | 16.8% | 25.2% | 14.3% | 6.3% | ||
Crack | 11.2% | 22.7% | 7.048 (.008) | 14.3% | 4.7% | |
Heroin | 4.2% | 11.0% | 4.873 (.027) | 0% | 1.6% | |
Other Opiates | 16.3% | 28.7% | 6.536 (.011) | 7.1% | 10.9% | |
Hallucinogens | 0% | 1.8% | 0% | 0% | ||
Sedatives | 14.0% | 25.6% | 6.404 (.011) | 10.7% | 6.3% | |
Methamphetamine | 3.5% | 12.8% | 8.539 (.003) | 0% | 4.7% | |
Club Drugs | 5.6% | 1.8% | 0% | 0% | ||
| ||||||
Prescription drugs | 9.1% | 22.6% | 10.166 (.001) | 3.6% | 3.1% |
Chi-square and associated p values are only reported for those between group differences that met the criteria for conventional statistical significance (p≤.05).