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Substance use characteristics of CD and HC participants. Mean values (and standard deviation) are shown.
| CD | HC | |
|---|---|---|
| Years of cocaine use | 19 (7) | 0 |
| Weekly cocaine use in USD and grams | $395 (262) 2.8 g (1.9) |
0 |
| Weekly ETOH use (drinks) | 14 (23) | 1 (2) |
| Daily nicotine use (cigarettes) | 11 (6) | 0 |
| Cannabis use in the last week (joints) | 1 (3) | 0 |
| Days from last cocaine use to PET scan | 7 (4) | N/A |
