Measure | Group | N | Mean (95 % CI) | ||
---|---|---|---|---|---|
Baseline | FU 3 | FU 12 | |||
Number of days cannabis used | Cannabis | 40 | 24.0 (22.2-25.8) | 23.1 (20.7-25.5) | 22.3 (19.8-24.8) |
Health | 32 | 23.9 (21.8-26.0) | 23.1 (20.6-25.5) | 22.1 (18.9-25.3) | |
Number of cannabis use episodes/day | Cannabis | 40 | 2.3 (1.7-2.9) | 2.4 (1.8-3.0) | 2.6 (1.6-3.7) |
Health | 32 | 2.0 (1.7-2.3) | 2.4 (1.5-3.4) | 2.2 (1.7-2.6) | |
Proportion Responding YES | |||||
N | Baseline | FU 3 | FU 12 | ||
Deep inhalation/ breathholding | Cannabis* | 40 | 78 % | 52 % | 57 % |
Health | 32 | 81 % | 78 % | 68 % | |
Driving after cannabis use | Cannabis* | 40 | 44 % | 31 % | 24 % |
Health | 32 | 30 % | 27 % | 24 % |