Total cohort substance use at first visit compared with at delivery
| SUBSTANCE | TOTAL COHORT (TORONTO, VANCOUVER, MONTREAL), N (%) | P VALUE | |
|---|---|---|---|
| AT FIRST VISIT (N = 102) | AT DELIVERY (N = 94) | ||
| Alcohol | 26 (25) | 5 (5) | < .001* |
| Nicotine | 89 (87) | 72 (77) | .052 |
| Cocaine or crack | 45 (44) | 18 (19) | < .001* |
| Heroin | 47 (46) | 15 (16) | < .001* |
| Marijuana | 21 (21) | 7 (7) | .009* |
| Benzodiazepines | 25 (25) | 25 (27) | .738 |
| Prescription opioids | 28 (27) | 9 (10) | .001* |
↵* Indicates significant difference at P < .05.