Table 2 Odds ratios for youngest and oldest parents relative to age 30y for mothers and age 35y for fathers
| Â | Odds ratio for paternal age | Odds ratio for maternal age | ||||
|---|---|---|---|---|---|---|
Age 15y | Age 30y | Age 65y | Age 15y | Age 35y | Age 49y | |
Preterm delivery | 1.31 (1.25, 1.39) | 1 (baseline) | 1.30 (1.20, 1.40) | 1.22 (1.16, 1.30) | 1 (baseline) | 2.20 (2.00, 2.44) |
Very preterm delivery | 1.45 (1.31, 1.62) | 1 | 1.39 (1.19, 1.62) | 1.47 (1.32, 1.65) | 1 | 2.00 (1.70, 2.35) |
Small for gestational age | 1.13 (1.07, 1.19) | 1 | 1.46(1.35, 1.57) | 1.60 (1.53, 1.67) | 1 | 0.96 (0.88, 1.06) |
Low Apgar score | 1.42 (1.26, 1.62) | 1 | 1.38 (1.16, 1.66) | 1.41 (1.25, 1.61) | 1 | 1.32 (1.09, 1.57) |
Admission to NICU | 1.19 (1.13, 1.25) | 1 | 1.34 (1.24, 1.44) | 1.12 (1.06, 1.18) | 1 | 1.80 (1.64, 1.96) |
Antibiotics | 1.12 (1.05, 1.20) | 1 | 1.17 (1.05, 1.30) | 1.25 (1.18, 1.34) | 1 | 1.22 (1.10, 1.38) |
Surfactant | 1.17 (1.05, 1.31) | 1 | 1.14 (0.95, 1.36) | 1.23 (1.08, 1.45) | 1 | 1.67 (1.38, 2.12) |
Prolonged ventilation | 1.20 (1.10, 1.30) | 1 | 1.13 (1.00, 1.29) | 1.06 (0.97, 1.17) | 1 | 1.76 (1.53, 2.06) |
Seizure(s) | 1.09 (0.82, 1.44) | 1 | 1.32 (0.93, 2.27) | 1.11 (0.94, 1.45) | 1 | 1.13 (0.91, 1.62) |
Death | 1.17 (1.06, 1.31) | 1 | 1.16 (1.00, 1.38) | 1.48 (1.27, 1.77) | 1 | 1.79 (1.42, 2.30) |