Table 4.
Key Variables related to substance use
| Variable | N | % |
| Use of tobacco | ||
| No | 700 | 87.4 |
| Yes | 100 | 12.5 |
| Missing | 1 | 0.1 |
| Use of medicinal marijuana | ||
| No | 753 | 94 |
| Yes | 47 | 5.9 |
| Missing | 1 | 0.1 |
| Use of alcohol | ||
| No | 433 | 54.1 |
| Yes | 367 | 45.8 |
| Missing | 1 | 0.1 |
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