Table 5 Concurrent predictive validity of the CPQ-A-S and the CAST to predict presence of intensive cannabis use in past month (10 times or more), cannabis use in past week, cannabis dependence and cannabis abuse
From: Screening of cannabis-related problems among youth: the CPQ-A-S and CAST questionnaires
B | S.E. | Wald | df | Sig. | Odds ratio | |
|---|---|---|---|---|---|---|
Intensive cannabis use in past month (10 times or more) | ||||||
CPQ-A-S | 0.561 | 0.106 | 28.230 | 1 | ≤ .001 | 1.753 |
CAST | 0.273 | 0.056 | 23.929 | 1 | ≤ .001 | 1.314 |
Cannabis use in past week | ||||||
CPQ-A-S | 0.422 | 0.096 | 19.276 | 1 | ≤ .001 | 1.524 |
CAST | 0.226 | 0.058 | 15.312 | 1 | ≤ .001 | 1.253 |
Dependence DSM-IV | ||||||
CPQ-A-S | 0.829 | 0.134 | 38.290 | 1 | ≤ .001 | 2.291 |
CAST | 0.512 | 0.085 | 36.438 | 1 | ≤ .001 | 1.668 |
Abuse DSM- IV | ||||||
CPQ-A-S | 0.472 | 0.094 | 25.286 | 1 | ≤ .001 | 1.604 |
CAST | 0.220 | 0.050 | 19.061 | 1 | ≤ .001 | 1.246 |