From: Screening of cannabis-related problems among youth: the CPQ-A-S and CAST questionnaires
Continuous variables | CPQ-A-S | CAST | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Cut-off point | Mean | t | Sig (2-tailed) | Cohen's d | Cut-off point | Mean | t | Sig (2-tailed) | Cohen's d | |
Cannabis use patterns | ||||||||||
Age at first cannabis use | - 3 | 15.6 | 4.206 | ≤ .001 | .71 | - 5 | 15.6 | 4.166 | ≤ .001 | .73 |
≥ 3 | 14.6 | ≥ 5 | 14.6 | |||||||
Years since first cannabis use | - 3 | 1.78 | -3.020 | .003 | .51 | - 5 | 1.80 | -3.247 | .001 | .57 |
≥ 3 | 2.58 | ≥ 5 | 2.68 | |||||||
Global degree of concern about effects of cannabis | - 3 | 2.36 | -4.937 | ≤ .001 | .83 | - 5 | 2.76 | -3.398 | .001 | .56 |
≥ 3 | 4.77 | ≥ 5 | 4.45 | |||||||
Number of areas object of concern | - 3 | 1.96 | -3.591 | ≤ .001 | .61 | - 5 | 2.16 | -3.062 | .003 | .53 |
≥ 3 | 3.90 | ≥ 5 | 3.88 | |||||||
Psychopathological symptoms | ||||||||||
BSI - Somatization symptoms | - 3 | .219 | -4.161 | ≤ .001 | .77 | - 5 | .295 | -1.902 | .059 | |
≥ 3 | .516 | ≥ 5 | .431 | |||||||
BSI - Obsessive compulsive symptoms | - 3 | .271 | -3.525 | .001 | .64 | - 5 | .336 | -2.167 | .032 | .38 |
≥ 3 | .597 | ≥ 5 | .534 | |||||||
BSI - Interpersonal sensitivity symptoms | - 3 | .276 | -3.628 | ≤ .001 | .67 | - 5 | .373 | -1.851 | .066 | |
≥ 3 | .684 | ≥ 5 | .578 | |||||||
BSI - Depressive symptoms | - 3 | .437 | -4.458 | ≤ .001 | .81 | - 5 | .543 | -2.297 | .023 | .40 |
≥ 3 | .891 | ≥ 5 | .779 | |||||||
BSI - Anxiety symptoms | - 3 | .287 | -3.966 | ≤ .001 | .72 | - 5 | .371 | -1.841 | .068 | |
≥ 3 | .622 | ≥ 5 | .528 | |||||||
BSI - Hostility symptoms | - 3 | .324 | -4.271 | ≤ .001 | .80 | - 5 | .437 | -2.170 | .032 | .38 |
≥ 3 | .795 | ≥ 5 | .672 | |||||||
BSI - Phobic symptoms | - 3 | .291 | -2.869 | .005 | .48 | - 5 | .358 | -.905 | .367 | |
≥ 3 | .515 | ≥ 5 | .432 | |||||||
BSI - Paranoid symptoms | - 3 | .274 | -3.476 | .001 | .63 | - 5 | .368 | -1.353 | .178 | |
≥ 3 | .612 | ≥ 5 | .499 | |||||||
BSI - Psychoticism symptoms | - 3 | .257 | -4.086 | ≤ .001 | .76 | - 5 | .371 | -1.668 | .098 | |
≥ 3 | .672 | ≥ 5 | .538 | |||||||
BSI - Additional symptoms | - 3 | .125 | -2.827 | .006 | .53 | - 5 | .188 | -1.083 | .281 | |
≥ 3 | .346 | ≥ 5 | .270 | |||||||
BSI - Global severity index | - 3 | .280 | -4.362 | ≤ .001 | .81 | - 5 | .368 | -2.051 | .042 | .36 |
≥ 3 | .630 | ≥ 5 | .532 | |||||||
BSI - Total positive symptoms | - 3 | 1.23 | -5.104 | ≤ .001 | .91 | - 5 | 13.01 | -1.903 | .059 | |
≥ 3 | 20.30 | ≥ 5 | 17.00 | |||||||
BSI - Positive Symptom Distress Index | - 3 | 1.15 | -3.053 | .003 | .52 | - 5 | 1.19 | -2.151 | .033 | .37 |
≥ 3 | 1.44 | ≥ 5 | 1.40 | |||||||
Other substances use | ||||||||||
Frequency of alcohol use in past month | - 3 | 3.02 | 1.266 | .208 | - 5 | 2.99 | 1.030 | .305 | ||
≥ 3 | 2.73 | ≥ 5 | 2.75 | |||||||
Frequency of tobacco use in past month | - 3 | 2.86 | -.875 | .383 | - 5 | 2.64 | -3.574 | .001 | .59 | |
≥ 3 | 3.10 | ≥ 5 | 3.54 | |||||||
Problems with alcohol (RAPI) | - 3 | 9.93 | -2.140 | .034 | .36 | - 5 | 9.99 | -2.342 | .021 | .41 |
≥ 3 | 13.25 | ≥ 5 | 13.72 | |||||||
Categorical variables | Χ 2 | Sig (2-tailed) | Cramer's V | Χ 2 | Sig (2-tailed) | Cramer's V | ||||
Cannabis use in past week (yes/no) | - 3 | 15.54* | ≤ .001 | .343 | - 5 | 14.43 | ≤ .001 | .331 | ||
≥ 3 | ≥ 5 | |||||||||
Use of other illegal drugs (yes/no) | - 3 | 2.49* | .114 | - 5 | 11.21 | .001 | .296 | |||
≥ 3 | ≥ 5 |