| Risk factors in the three symptom subgroups Prevalence (%) | Risk factors in the three impact subgroups Prevalence (%) | ||||
---|---|---|---|---|---|---|
Possible predictors | P > C N = 429 | P = C N = 6,360 | P < C N = 271 | P > C N = 478 | P = C N = 6,437 | P < C N = 374 |
Gender: | Â | Â | Â | Â | Â | Â |
   Girls | 36.8 | 51.1 | 48.0 | 34.4 | 51.0 | 58.0 |
   Boys | 63.2 | 48.1 | 52.0 | 65.6 | 49.0 | 42.0 |
Educational level: | Â | Â | Â | Â | Â | Â |
   College/university | 34.5 | 55.0 | 48.5 | 41.5 | 53.5 | 46.1 |
   High school | 53.4 | 39.0 | 43.3 | 48.2 | 40.3 | 47.7 |
   Elementary school | 12.1 | 5.9 | 8.1 | 10.3 | 6.2 | 6.2 |
Parents' nationality: | Â | Â | Â | Â | Â | Â |
   Both Norwegian | 84.2 | 86.5 | 91.1 | 84.9 | 86.5 | 86.6 |
   Neither Norwegian | 15.8 | 13.5 | 8.9 | 15.1 | 13.5 | 13.4 |
Parental status: | Â | Â | Â | Â | Â | Â |
   Living with both | 49.7 | 73.9 | 66.4 | 54.0 | 73.7 | 63.1 |
   Not living with both | 50.3 | 26.1 | 33.6 | 46.0 | 26.3 | 36.9 |
Parental engagement: | Â | Â | Â | Â | Â | Â |
   Yes | 69.2 | 80.9 | 57.0 | 72.1 | 80.6 | 61.5 |
   Don't know | 12.6 | 8.7 | 19.6 | 13.0 | 8.8 | 16.3 |
   No | 3.7 | 1.7 | 5.2 | 3.8 | 1.6 | 5.3 |
   A little | 14.5 | 8.7 | 18.1 | 11.1 | 9.0 | 16.6 |
 | Mean | Mean | ||||
School grade/age :mean age | Â | Â | Â | Â | Â | Â |
 | 11.5* | 11.5* | 11.4 * | 11.4 * | 11.5* | 11.5 * |
Income | Â | Â | Â | Â | Â | Â |
   ( n.100,000 crowns) mean income | 412 | 494 | 478 | 430 | 491 | 449 |
   ( n.100,000 € ) | (52 ) | (62) | (60) | (54) | (61) | (56) |
Communication | Â | Â | Â | Â | Â | Â |
   ( range 0-3) |  |  |  |  |  |  |
   Mother | 2.5 | 2.6 | 2.5 | 2.6 | 2.6 | 2.4 |
   Father | 1.8 | 2.0 | 1.8 | 1.8 | 2.0 | 1.6 |
   Teacher | 0.2 | 0.1 | 0.2 | 0.2 | 0.1 | 0.2 |
   Friends | 1.6 | 2.0 | 1.8 | 1.6 | 1.9 | 1.9 |
   Others (uncle, neighbour...) | 0.3 | 0.1 | 0.3 | 0.2 | 1.5 | 0.3 |