Table 4.
Sensitivity analyses: relative risks as a function of childhood family income stratified by exposure age periods, gender, number of children in household, birth order and parental immigrant statusa
| Adolescent violent crime, hazard ratio (95% CI) |
Adolescent substance misuse, hazard ratio (95% CI) |
|||
|---|---|---|---|---|
| Model I | Model IV | Model I | Model IV | |
| Ages 1-15 years (reference) |
6.78 (6.23-7.38) |
0.95 (0.44-2.03) |
2.45 (2.32-2.58) |
1.11 (0.62-1.98) |
| Ages 1-5 years |
4.36 (4.06-4.68) |
0.76 (0.46-1.24) |
2.10 (2.00-2.22) |
0.98 (0.65-1.48) |
| Ages 6-10 years |
5.93 (5.46-6.45) |
0.91 (0.54-1.55) |
2.32 (2.20-2.45) |
1.17 (0.77-1.79) |
| Ages 11-15 years |
6.06 (5.57-6.59) |
0.59 (0.34-1.03) |
2.28 (2.16-2.40) |
1.03 (0.67-1.59) |
| Males only, ages 1-15 years |
6.39 (5.82-7.01) |
0.51 (0.24-1.12) |
2.42 (2.25-2.60) |
0.84 (0.37-1.92) |
| Females only, ages 1-15 years |
8.95 (7.24-11.08) |
1.32 (0.24-7.19) |
2.48 (2.28-2.70) |
1.15 (0.46-2.86) |
| Single children households only, ages 1-15 years |
5.87 (3.70-9.29) |
N/A |
2.45 (1.89-3.17) |
N/A |
| First-born only, ages 1-15 years |
7.26 (6.19-8.53) |
N/A |
2.57 (2.34-2.83) |
N/A |
| Other birth order, ages 1-15 years |
6.45 (5.83-7.13) |
1.44 (0.49-4.22) |
2.35 (2.20-2.52) |
0.82 (0.32-2.06) |
| Nordic-born parents only, ages 1-15 years | 6.72 (6.17-7.32) | 0.98 (0.45-2.11) | 2.45 (2.32-2.59) | 1.11 (0.62-1.99) |
a.
Model I: adjusted for gender, birth year and birth order; Model IV: Model I + adjusted for unobserved within nuclear-family risk factors (through sibling comparisons). N/A: Not applicable.