Parental educational level | ||||||||
---|---|---|---|---|---|---|---|---|
Total | Lowa | Middleb | Highc | p-valued | ||||
n | % | n | % | n | % | |||
Mother and father not in paid employment | 730 | 157 | 78.5 | 408 | 17.9 | 165 | 5.64 | <.0001 |
Small living space (per-capita < 20 m2) | 13163 | 982 | 71.2 | 6514 | 58.6 | 5667 | 48.9 | <.0001 |
Damp housing condition | 2581 | 295 | 22.0 | 1306 | 11.9 | 980 | 8.5 | <.0001 |
Single oven heating at child's home | 8472 | 682 | 56.0 | 3993 | 38.6 | 3797 | 34.2 | <.0001 |
Living at busy road (< 50 m to traffic) | 14238 | 921 | 71.3 | 6785 | 62.3 | 6532 | 56.9 | <.0001 |