Table 1 Sociodemographics characteristics of study sample for full sample and by gender
Variables | Total | Male | Female |
|---|---|---|---|
N = 543 | N = 138 | N = 405 | |
| Â | No. (%) | No. (%) | No. (%) |
Nationality | Â | Â | Â |
 Spanish | 499 (91.9) | 132 (95.7) | 367 (90.6) |
 Non-Spanish | 44 (8.1) | 6 (4.3) | 38 (9.4) |
Grade | Â | Â | Â |
 2nd | 195 (35.9) | 36 (26.1) | 159 (39.3) |
 3rd | 144 (26.5) | 26 (18.8) | 118 (29.1) |
 4th | 82 (15.1) | 36 (26.1) | 46 (11.4) |
 5th | 58 (10.7) | 12 (8.7) | 46 (11.4) |
 6th | 64 (11.8) | 28 (20.3) | 36 (8.9) |
Economic problems*** | Â | Â | |
 Yes | 183 (33.7) | 28 (20.3) | 155 (38.3) |
 No | 360 (66.3) | 110 (79.7) | 250 (61.7) |
Family conflicts* | Â | Â | Â |
 Yes | 99 (18.3) | 19 (13.8) | 85 (21.0) |
 No | 444 (81.7) | 119 (86.2) | 320 (79.0) |
Alcohol use | Â | Â | Â |
 Yes | 438 (80.7) | 111 (80.4) | 327 (80.7) |
 No | 105 (19.3) | 27 (19.6) | 78 (19.3) |
Cannabis use** | Â | Â | Â |
 Yes | 88 (16.2) | 34 (24.6) | 54 (13.3) |
 No | 455 (83.8) | 104 (75.4) | 351 (86.7) |