Table 3 Initiation age and daily substance use frequency
| Â | Initiation age | Alcohol | Cannabis and derivatives | Other substances |
|---|---|---|---|---|
N | 302 | 302 | 302 | 302 |
Average | 15.23 | 81.51 | 153.91 | 24.53 |
Standard deviation | 2.11 | 78.99 | 149.31 | 72.69 |
Minimum | 12.00 | 10.00 | 0.00 | 0.00 |
Maximum | 21.00 | 333.00 | 365.00 | 365.00 |