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Age of First Substance Use
| Age of first substance use | Frequency | Percent | Cumulative Percent |
|---|---|---|---|
| 0 | 768 | 63.6% | 63.6% |
| Less than 10 | 3 | 0.2% | 63.8% |
| 10 | 3 | 0.2% | 64.1% |
| 11 | 3 | 0.2% | 64.3% |
| 12 | 5 | 0.4% | 64.7% |
| 13 | 6 | 0.5% | 65.2% |
| 14 | 55 | 4.6% | 69.8% |
| 15 | 74 | 6.1% | 75.9% |
| 16 | 49 | 4.1% | 80.0% |
| 17 | 54 | 4.5% | 84.4% |
| 18 | 46 | 3.8% | 88.2% |
| 19 | 41 | 3.4% | 91.6% |
| 20 | 26 | 2.2% | 93.8% |
| 21 | 28 | 2.3% | 96.1% |
| 22 | 20 | 1.7% | 97.8% |
| 23 | 15 | 1.2% | 99.0% |
| 24 | 5 | 0.4% | 99.4% |
| 25 | 5 | 0.4% | 99.8% |
| 26 | 2 | 0.2% | 100.0% |
Note. Participants with no substance use are coded 0.
