| Variable | Unweighted count | Weighted estimate (95% CI), % |
|---|---|---|
| Cannabis use | ||
| Lifetime | 2087 | 24.1 (21.7-26.5) |
| Previous 12 mo | 1863 | 21.5 (19.3-23.8) |
| Previous month | 1142 | 13.9 (12.2-15.7) |
| Weekly | 396 | 4.9 (4.0-5.8) |
| Daily | 207 | 2.8 (2.1-3.5) |
| Don't know what cannabis is | 444 | 4.2 (3.5-5.0) |
| Never used cannabis in life | 7833 | 75.9 (73.4-78.2) |
| Synthetic cannabis use | ||
| Lifetime | 147 | 1.6 (1.1-2.1) |
| Previous 12 mo | 112 | 1.3 (0.9-1.7) |
| First time tried cannabis | ||
| Never tried | 7783 | 75.3 (72.0-77.5) |
| Grade 6 or before | 105 | 1.0 (0.7-1.3) |
| Grade 7 | 205 | 1.8 (1.4-2.4) |
| Grade 8 | 350 | 3.7 (3.1-4.4) |
| Grade 9 | 627 | 7.0 (6.1-8.1) |
| Grade 10 | 491 | 6.2 (5.4-7.2) |
| Grade 11 | 269 | 3.7 (3.2-4.2) |
| Grade 12 | 90 | 1.3 (0.9-1.7) |
Note: CI = confidence interval.