From: Social differences in smoking and snuff use among Norwegian adolescents: A population based survey
 | Boys | Girls | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | N | Daily (%) | Occasionally (%) | No smoke (%) | P* | N | Daily (%) | Occasionally (%) | No smoke (%) | P* |
All participants | 7762 | 13.8 | 12.6 | 73.6 | Â | 7768 | 16.8 | 17.0 | 66.2 | Â |
Age, years | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
14.5–15.6 | 1888 | 11.8 | 12.5 | 75.7 | <0.037 | 1991 | 16.3 | 18.4 | 65.2 | <0.579 |
15.6–15.9 | 1901 | 13.4 | 12.2 | 74.5 |  | 1974 | 17.2 | 16.5 | 66.3 |  |
15.9–16.1 | 1956 | 14.3 | 13.1 | 72.6 |  | 1915 | 16.4 | 16.3 | 67.3 |  |
16.1–18.4 | 1988 | 15.5 | 12.7 | 71.8 |  | 1872 | 17.2 | 16.8 | 66.1 |  |
Parents' marital status | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Married/cohabiting | 5135 | 10.7 | 12.4 | 76.9 | <0.000 | 5152 | 12.2 | 16.4 | 71.4 | <0.000 |
Divorced, separated, etc | 2555 | 19.8 | 13.1 | 67.2 | Â | 2587 | 25.7 | 18.4 | 55.9 | Â |
Parents' country of birth | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Norway | 6737 | 13.9 | 12.7 | 73.5 | <0.210 | 6786 | 17.9 | 17.8 | 64.3 | <0.000 |
Country with majority of Muslims | 583 | 13.6 | 10.1 | 76.3 | Â | 550 | 6.4 | 8.4 | 85.3 | Â |
Other foreign countries | 330 | 10.9 | 13.6 | 75.5 | Â | 380 | 11.8 | 14.7 | 73.4 | Â |
Educational plans | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Academic studies | 3320 | 8.3 | 12.7 | 79.0 | <0.000 | 3942 | 11.5 | 18.0 | 70.8 | <0.000 |
Upper secondary school, general studies | 436 | 10.8 | 12.6 | 76.6 | Â | 390 | 19.7 | 17.5 | 62.3 | Â |
Upper secondary school, vocat. studies | 2420 | 21.7 | 13.0 | 65.3 | Â | 1700 | 29.5 | 15.5 | 54.9 | Â |
One year of upp sec school/other plans | 408 | 20.3 | 13.2 | 66.4 | Â | 303 | 22.1 | 21.8 | 56.1 | Â |
Undecided | 1053 | 10.3 | 11.2 | 78.5 | Â | 1355 | 13.7 | 15.9 | 70.5 | Â |
Family economy | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Very well off | 879 | 13.1 | 12.7 | 74.2 | <0.000 | 603 | 18.6 | 18.1 | 63.4 | <0.000 |
Well off | 4186 | 12.2 | 12.3 | 75.5 | Â | 4042 | 14.1 | 16.6 | 69.3 | Â |
In between | 2347 | 15.9 | 12.9 | 71.2 | Â | 2736 | 19.0 | 17.3 | 63.7 | Â |
Short of money | 232 | 22.0 | 16.4 | 61.6 | Â | 281 | 28.8 | 19.9 | 51.3 | Â |
Urban – rural areas |  |  |  |  |  |  |  |  |  |  |
Urban areas | 4870 | 13.0 | 12.6 | 74.5 | <0.035 | 4911 | 16.4 | 17.5 | 66.2 | <0.244 |
Rural areas | 2892 | 15.0 | 12.7 | 72.3 | Â | 2857 | 17.4 | 16.2 | 66.3 | Â |