Hazard Ratio (95% Confidence Intervals) | |
---|---|
Maternal age | |
Below 20 | 0.86 (0.73 – 1.01) |
20 to 35 | Reference |
Above 35 | 1.50 (1.21 – 1.84) |
Infant sex | |
Male | 1.09 (0.96 – 1.24) |
Female | Reference |
Parity | |
Para 0 | 0.91 (0.80 – 1.05) |
Para 1–2 | Reference |
Para above 2 | 1.20 (1.01 – 1.42) |