From: Characteristics of first-time fathers of advanced age: a Norwegian population-based study
 | Study sample |  | All first-time fathers in Norway* |  |  |
---|---|---|---|---|---|
 | n | % | n | % | p-value** |
Age groups | Â | Â | Â | Â | <0.001 |
25-34 years | 11 363 | 76.6 | 163 063 | 77.0 | Â |
35-39 years | 2 693 | 18.2 | 34 291 | 16.2 | Â |
≥40 years | 776 | 5.2 | 14 408 | 6.8 |  |
Mother tongue other than Norwegian | 1 016 | 6.9 | 46 293 | 21.9 | <0.001 |
Education | Â | Â | Â | Â | <0.001 |
Primary school | 288 | 2.0 | 29 511 | 13.9 | Â |
Secondary school | 4 862 | 33.7 | 87 850 | 41.5 | Â |
Higher education ≤4 years | 4 301 | 29.8 | 53 193 | 25.1 |  |
Higher education >4 years | 4 984 | 34.5 | 27 635 | 13.1 | Â |
Unknown | 397 | 2.7 | 13 573 | 6.4 | Â |