Prevalence of adverse perinatal outcome by educational level, Denmark, 2000–2009
| Stillbirth | Neonatal mortality | Postneonatal mortality | Congenital anomalies | SGA | Moderate preterm birth 32+0–36+6 | Very preterm birth 28+0–31+6 | Extreme preterm birth <28+0 | |
| n=3076 | n=1688 | n=648 | n=19 449 | n=59 979 | n=36 610 | n=4670 | n=1843 | |
| Per 1000 | Per 1000 | Per 1000 | Per 1000 | Per 1000 | Per 1000 | Per 1000 | Per 1000 | |
| Primary education | 6.7 | 3.6 | 1.9 | 34.9 | 125.9 | 64.5 | 8.3 | 4.1 |
| Vocational education | 4.8 | 2.7 | 1.0 | 30.7 | 95.1 | 60.0 | 7.8 | 3.0 |
| Secondary education | 4.0 | 2.5 | 1.0 | 28.2 | 94.2 | 52.7 | 7.0 | 2.4 |
| Short-cycle and medium-cycle higher education | 4.3 | 2.2 | 0.7 | 28.7 | 77.9 | 53.7 | 6.6 | 2.3 |
| Long-cycle higher education | 3.1 | 2.1 | 0.5 | 27.1 | 77.9 | 48.8 | 6.3 | 2.4 |
| Missing | 7.1 | 3.0 | 1.2 | 28.9 | 126.5 | 51.2 | 5.9 | 3.1 |
SGA, small-for-gestational age.