Table 1.
Baseline characteristics of the included women and their infants (n=20 593).
| Characteristic | |
|---|---|
| Maternal age (years), mean±SD | 32.36±3.94 |
| Maternal height (cm), mean±SD | 162.84±5.01 |
| Pre-pregnancy weight (kg), mean±SD | 58.23±9.32 |
| Gestational weight gain (kg), mean±SD | 13.85±4.99 |
| Gestational weeks, mean±SD | 38.85±1.68 |
| Pre-pregnancy BMI category n(%) | |
| Underweight (<18.5 kg/m2) | 2522(12.2%) |
| Normal (18.5-24.9kg/m2) | 14811(71.9%) |
| Overweight (25.0-29.9 kg/m2) | 2672(13%) |
| Obesity (≥30.0 kg/m2) | 588(2.9%) |
| Mode of delivery n(%) | |
| Cesarean section | 6656 (32.3%) |
| Vaginal delivery | 13937 (67.7%) |
| Parity n(%) | |
| Nulliparity | 14529(70.6%) |
| Multiparity | 6064(29.4%) |
| Newborn sex n(%) | |
| Girls | 9895(48.1%) |
| Boys | 10698(51.9%) |
| Gestational age classification n(%) | |
| SGA | 1034 (5.0%) |
| AGA | 15961 (77.5%) |
| LGA | 3598 (17.5%) |
| Length of newborn (cm), mean ±SD | 49.99±2.04 |
| Weight of newborn (g), mean ±SD | 3345.72±489.28 |
SD, standard deviation. SGA, small for gestational age. AGA, appropriate for gestational age. LGA, large for gestational age.