Table 4 Risk differences calculated from linear binominal regression models with outcome variables I–IV*
From: Social differences in smoking and snuff use among Norwegian adolescents: A population based survey
| Â | I. Smoke daily no snuff N = 11351 | II. Smoke occasionally no snuff N = 11539 | III. Snuff (daily or occasionally) no smoke N = 10473 | IV. Smoke and snuff. Combination users (daily or occasionally) N = 10932 |
|---|---|---|---|---|
Constant | 1.3 | 11.2 | 11.9 | 13.1 |
Gender | Â | Â | Â | Â |
Boys | 0.0 | 0.0 | 0.0 | 0.0 |
Girls (parents born in Norway) | 11.9 (10.6, 13.2) | 11.1 (9.7, 12.4) | -10.7 (-11.6, -9.7) | -11.2 (-12.4, -10.1) |
Girls (parents born in country w. major. of Muslims) | -4.5 (-9.6, 0.6) | -1.8 (-7.2, 3.6) | -1.8 (-4.5, 1.0) | -5.0 (-8.9, -1.1) |
Age, years | Â | Â | Â | Â |
Under 15.6 | 0.0 | 0.0 | 0.0 | 0.0 |
15.6–15.9 | 1.1 (-0.6, 2.8) | -0.8 (-2.6, 1.0) | 0.4 (-0.9, 1.7) | 0.1 (-1.5, 1.7) |
15.9–16.1 | 1.5 (-0.2, 3.2) | -0.5 (-2.3, 1.4) | 0.4 (-1.0, 1.7) | 0.4 (-1.2, 1.9) |
16.1–18.4 | 2.5 (0.8, 4.3) | -0.3 (-2.1, 1.6) | 0.4 (-0.9, 1.7) | 0.9 (-0.7, 2.5) |
Parents' marital status | Â | Â | Â | Â |
Married/cohabiting | 0.0 | 0.0 | 0.0 | 0.0 |
Divorced, separated, etc. | 10.0 (8.5, 11.5) | 3.3 (1.8, 4.8) | 1.4 (0.3, 2.5) | 4.5 (3.2, 5.9) |
Parents' country of birth | Â | Â | Â | Â |
Norway | 0.0 | 0.0 | 0.0 | 0.0 |
Country w. major. of Muslims (boys) | 3.8 (0.7, 6.8) | -0.01 (-3.1, 3.0) | -9.7 (-11.4, -7.9) | -9.1 (-11.7, -6.5) |
Country w. major. of Muslims (girls) | -12.7 (-19.6, -5.8) | -12.9 (-20.0, -5.8) | -0.8 (-4.4, 2.9) | -2.9 (-8.3, 2.5) |
Other foreign countries | -2.4 (-5.2, 0.4) | -2.2 (-5.2, 0.8) | -4.5 (-5.8, -3.1) | -4.0 (-6.1, -1.9) |
Education ambitions | Â | Â | Â | Â |
Academic studies | 0.0 | 0.0 | 0.0 | 0.0 |
Upper secondary school, general studies | 5.3 (2.5, 8.1) | 2.6 (-0.4, 0.6) | 2.0 (-0.2, 4.2) | 2.5 (-0.01, 5.0) |
Upper secondary school, vocat. studies | 12.7 (11.1, 14.4) | 1.7 (0.01, 3.3) | 2.5 (1.4, 3.8) | 9.1 (7.5, 10.7) |
One year of upper sec. school/other plans | 11.1 (7.4, 14.8) | 4.0 (0.4, 7.6) | 5.1 (2.1, 8.1) | 6.9 (3.5, 10.3) |
Undecided | 1.0 (-0.7, 2.6) | -2.3 (-4.1, -0.5) | 0.8 (-0.4, 2.0) | 1.1 (0.4, 2.5) |
Family economy | Â | Â | Â | Â |
Very well off | 0.0 | 0.0 | 0.0 | 0.0 |
Well off | -2.3 (-4.4, -0.2) | -2.2 (-4.5, 0.04) | - 1.2 (-3.0, 0.6) | -2.2 (-4.2, -0.1) |
In between | -0.5 (-2.8, 1.8) | -0.4 (-2.8, 2.1) | -2.7 (-4.6, -0.9) | -1.9 (-4.1, 0.3) |
Short of money | 5.8 (0.9, 10.6) | 4.8 (-0.1, 9.7) | -2.9 (-6.0, 0.3) | 1.4 (-2.9, 5.7) |
Urban-rural | Â | Â | Â | Â |
Urban | 0.0 | 0.0 | 0.0 | 0.0 |
Rural | -1.7 (-3.0, -0.3) | -2.4 (-3.8, -1.0) | 1.0 (-0.04, 2.1) | 1.7 (0.5, 2.9) |