TABLE 1.
Comparison of subsamples in terms of baseline data collected
| Descriptive data | Statistics | |||
|---|---|---|---|---|
| EFA, Sample 1 (n = 268) | CFA, Sample 2 (n = 269) | Value | p | |
| Gender (m/w/d) | 168/96/4 4 | 168/100/1 4 | −0.045 2 | 0.964 |
| Age (Years) | 23.78 (3.99) 1 | 23.90 (3.67) 1 | −0.365 3 | 0.716 |
| Education 5 | 9/14/21/119/33/72 4 | 8/15/24/115/47/60 4 | −0.415 2 | 0.678 |
| Marital status 6 | 130/124/10/4 4 | 138/119/11/1 | −0.700 2 | 0.484 |
| Age at onset of cannabis use | 16.65 (2.59) 1 | 16.91 (3.07) 1 | −1.010 3 | 0.313 |
| Joints per week (within last month) | 10.22 (15.82) 1 | 10.01 (17.20) 1 | −0.611 2 | 0.541 |
| Diagnose of mental disorder | 59 (22.0%) 4 | 63 (23.4%) 4 | −0.365 2 | 0.715 |
| Outpatient psychotherapy | 52 (19.4%) 4 | 51 (19.0%) 4 | −0.131 2 | 0.896 |
| Inpatient treatment | 15 (5.6%) 4 | 19 (7.1%) 4 | −0.572 2 | 0.567 |
Note: 1, M (SD) mean (standard deviation); 2, Mann‐Whitney U test; 3, t test; 4, frequencies (percentages in parentheses); 5, secondary school (8 years), secondary school (10 years), professional baccalaureate, baccalaureate, vocational training, university degree; 6, single, steady partnership, married, divorced; p, significance level.