Table 1 Characteristics of young patients with substance abuse (N = 103) participating in a weekly 10-week out-patient treatment program
| Variables | Mean or N | SD or % |
|---|---|---|
| Age (years) | 16.2 | 1.0 |
| Sex | ||
| Female | 22 | 21.4 |
| Male | 81 | 78.6 |
| School status or social status | ||
| Residence | 35 | 34.0 |
| Suspension or dropout | 34 | 33.0 |
| Employed | 34 | 33.0 |
| Family status | ||
| Double-parent families | 47 | 45.6 |
| Single-parent families | 42 | 40.8 |
| Grandparent(s) | 14 | 13.6 |
| Substance in use | ||
| Ketamine | 74 | 71.8 |
| MDMA or methamphetamine | 29 | 28.2 |
| Previous conviction record at baseline | ||
| Without | 76 | 73.8 |
| With | 27 | 26.2 |
| Relapse | ||
| Yes | 39 | 37.9 |
| No | 64 | 62.1 |
