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 | Â | Â |
 Yes | 39 | 37.9 |
 No | 64 | 62.1 |