Vaginal delivery | Cesarean delivery | p | |
---|---|---|---|
N (male/female) | 67,504 (34,643/32,861) | 15,515 (7981/7534) | 0.79 |
Gestational age, weeks | 39.5 ± 1.3 | 38.2 ± 2.1 | < 0.001 |
Birth weight, g | 3060 ± 379 | 2869 ± 515 | < 0.001 |
Missing, n | 14 | ||
Exclusively breast fed, n (%) | 29,336 (43.5) | 5499 (35.4) | < 0.001 |
Missing, n | 726 | ||
Maternal age, years | 30.8 ± 4.9 | 32.5 ± 1.7 | < 0.001 |
Missing, n | 443 |