|
| Study group (n = 256) Mean age: 15.05 (1.26) | Dutch Youth Monitor West Brabant (n = 1821) Mean age: 13.97 (1.34) | ||||
| Total (n = 256) | Male (n = 119) | Female (n = 137) | Total (n = 1821) | Male (n = 826) | Female (n = 995) | |
| SDQ scores scales | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
| Total difficulties | 10.5** (5.8) | 10.0** (5.5) | 11.0**(5.9) | 9.1 (4.9) | 8.5 (4.8) | 9.6 (4.9) |
| Emotional symptoms | 3.4** (2.5) | 2.9** (2.2) | 3.73** (2.6) | 2.2 (2.1) | 1.5 (1.6) | 2.7 (2.2) |
| Conduct problems | 1.6 (1.4) | 1.6 (1.4) | 1.6 (1.5) | 1.5 (1.3) | 1.6 (1.4) | 1.4 (1.2) |
| Hyperactivity-inattention | 4.1 (2.7) | 4.1 (2.7) | 4.1 (2.7) | 4.1 (2.5) | 4.2 (2.5) | 4.1 (2.5) |
| Peer problems | 1.4 (1,5) | 1.3 (1.5) | 1.6* (1.5) | 1.3 (1.5) | 1.3 (1.5) | 1.3 (1.5) |
| Prosocial behaviour | 8.6** (1.4) | 8.3** (1.4) | 8.8** (1.4) | 8.0 (1.7) | 7.6 (1.8) | 8.3 (1.5) |
| SDQ-scale total difficulties*** | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) |
| Normal rating | 204** (79.7%) | 102** (85.7%) | 102** (74.5%) | 1623 (89.2%) | 754 (91.3%) | 870 (87.4%) |
| Border range | 27** (10.5%) | 10** (8.4%) | 17** (12.4%) | 145 (8.0%) | 51 (6.2%) | 94 (9.4%) |
| Elevated score | 25** (9.8%) | 7** (5.9%) | 18** (13.1%) | 53 (2.9%) | 21 (2.5%) | 31 (3.1%) |