Sociodemographic baseline characteristics
| Mothers (n = 181) | Fathers (n = 155) | |
|---|---|---|
| Median age in years (25th–75th percentiles) | 32.6 (29.0–37.0) | 35.6 (31.6–39.5) |
| West European origin | 135 (75%) | 118 (77%) |
| Occupation | ||
| Unknown | 2 (1%) | 4 (3%) |
| Low | ||
| Elementary profession | 5 (3%) | 3 (2%) |
| Lower profession | 21 (12%) | 36 (23%) |
| No profession | 71 (39%) | 2 (1%) |
| High | ||
| Intermediate profession | 59 (33%) | 73 (47%) |
| Higher profession | 20 (11%) | 33 (21%) |
| Scientific profession | 3 (2%) | 4 (3%) |
| Education | ||
| Unknown | 2 (1%) | 3 (2%) |
| Low | ||
| Elementary school | 23 (13%) | 13 (8%) |
| Lower general secondary education | 21 (12%) | 13 (8%) |
| Vocational training (lower level) | 31 (17%) | 34 (22%) |
| High | ||
| Higher general secondary education/ pre-university education | 23 (13%) | 17 (11%) |
| Vocational training (intermediate level) | 46 (25%) | 31 (20%) |
| Vocational training (higher level) | 29 (16%) | 34 (22%) |
| University education | 6 (3%) | 10 (6%) |