Table 2.
Data on recent drug use in the prior 30 days
| Days of use in the prior month | Vancouver (n = 192) | Montreal (n = 59) | Total (n = 251) | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Alcohol** | 2.59 | 6.50 | 6.15 | 9.21 | 3.43 | 7.37 |
| Heroina,*** | 26.82 | 7.09 | 25.44 | 8.39 | 26.49 | 7.43 |
| Illicit methadoneb | 1.89 | 4.47 | 1.93 | 4.95 | 1.90 | 4.57 |
| Illicit benzodiazepinesb | 2.02 | 5.98 | 1.14 | 4.19 | 1.81 | 5.61 |
| Cocaine powdera | 5.09 | 9.02 | 4.90 | 8.75 | 5.05 | 8.94 |
| Crack cocainec,*** | 16.88 | 12.69 | 2.25 | 6.35 | 13.41 | 13.07 |
| Amphetamined,* | 1.69 | 5.39 | 0.17 | 0.62 | 1.33 | 4.76 |
| Cannabisc | 6.14 | 10.51 | 7.78 | 11.29 | 6.53 | 10.70 |
| Speedballa | 3.19 | 6.87 | 1.12 | 4.48 | 2.70 | 6.44 |
| Illegal hydromorphonea,§ | 2.14 | 5.71 | 0.76 | 4.13 | 1.82 | 5.40 |
| Illegal morphinea,*** | 3.92 | 8.12 | 0.00 | 0.00 | 2.99 | 7.29 |
| Injecting drugs*** | 29.06 | 3.43 | 24.47 | 8.26 | 27.98 | 5.35 |
| Times injecting drugs in a day** | 5.09 | 3.23 | 3.61 | 2.73 | 4.75 | 3.18 |
*p < 0.05; **p < 0.01; ***p < 0.001; § p < 0.09
aMore than 95% injected
bMore than 95% oral
cMore than 95% smoked
dMore than 75% injected