Substance lifetime exposure across groups at baseline testing and 12-month follow-up
| Baseline testing | 12-month follow-up | ||||
|---|---|---|---|---|---|
| Outcome variable | Meth group (n=10) | Meth-cann group (n=10) | Control group (n=20) | Meth group (n=9) | Control group (n=10) |
| Alcohol (standard units) | 19.00 (26.45) | 23.60 (28.45) | 7.55 (13.84) | 51.00 (58.30) | 22.90 (30.95) |
| Nicotine (cigarettes) | 5088.10 (7250.28) | 4431.40 (4012.89) | 286.90 (922.97) | 4843.49 (3714.54) | 638.60 (1443.24) |
| Cannabis (‘joints’) | 5.70 (5.40) | 917.70 (854.19) | 0.10 (0.31) | 151.67 (331.94) | 0.20 (0.42) |
| Methamphetamine (‘hits’ smoked) | 534.20 (531.20) | 736.80 (514.53) | 0 (0) | 527.56 (522.82) | 0 (0) |
Means are presented with SDs in parentheses.
Meth-cann group, Methamphetamine and cannabis group; Meth group, Methamphetamine only group.