Table 3.
Primary method of use over 6 months for 1,145 participants
| Primary method of use, n (%) | Baseline | M1 | M3 | M6 |
|---|---|---|---|---|
| n=438* | n=1,067 | n=764 | n=419 | |
| Unknown | 1 | 88 | 61 | 27 |
| Vaporizer—cannabis flowers or bud | 85 (19.5) | 140 (14.3) | 125 (17.8) | 86 (21.9) |
| Vaporizer or nail—cannabis extracts | 8 (1.8) | 10 (1.0) | 7 (1.0) | 4 (1.0) |
| Joint | 206 (47.1) | 172 (17.6) | 106 (15.1) | 72 (18.4) |
| Oral ingestion | 72 (16.5) | 588 (60.1) | 401 (57.0) | 201 (51.3) |
| Pipe | 27 (6.2) | 30 (3.1) | 23 (3.3) | 11 (2.8) |
| Water pipe or bong | 39 (8.9) | 29 (3.0) | 27 (3.8) | 13 (3.3) |
| Topical ingestion | 0 (0.0) | 9 (0.9) | 7 (1.0) | 2 (0.5) |
| Other | 0 (0.0) | 1 (0.1) | 7 (1.0) | 3 (0.8) |
M1 = month 1; M3 = month 3; M6 = month 6.
*
Baseline number of participants reporting primary methods of use is lower due to the high number of naive users who would not have answered this question.