Table 2.
Key study outcomes among completer sample, by intervention group, at baseline, 3-month follow-up (FU3) and 12-month follow-up (FU12)
| 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 % | |
* Significant change over periods (p < .05).