Table 2.
Substance use in addition to marijuana in all controls and cases.
| Variable | All controls (N = 1,080) | All cases (N = 489) | Value of p |
|---|---|---|---|
| Tobacco/Nicotine | 45 | 225 | <0.001 |
| Alcohol | 16 | 48 | <0.001 |
| Opioid (including prescription) | 52 | 199 | <0.001 |
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