Table 2.
Population demographics according to pre-pregnancy weight.
| Variable | Normal weight (n = 22588) | Over weight ( n =7667) | Obese (n = 3965) |
|---|---|---|---|
| Age (years) | 26.4 ± 6.7 (12–48) |
27.9 ± 6.6 (12–50) |
28.8 ± 6.4 (14–48) |
| BMI | 21.8 ± 1.7 | 27.1 ± 1.4 | 34.3 ± 4.3 |
| Excessive gestational weight gain | 5937 (26.3) | 3339 (44.3) | 1560 (39.3) |
| Gestational age of newborn (weeks) | 38.5 ± 1.8 (23–42) |
38.6 ± 1.8 (22–42) |
38.4 ± 2.0 (23–42) |
| Birth weight (grams) | 3259.8 ± 538.9 (670–5290) |
3361.2 ± 565.5 (675–6000) |
3404.0 ± 628.6 (700–5970) |
| Birth weight (grams) percentiles | |||
| P50 | 3290 | 3400 | 3450 |
| P75 | 3600 | 3710 | 3795 |
| P90 | 3880 | 4010 | 4125 |
| Macrosomia | 1458 (6.5) | 788(10.3) | 593 (15.0) |
| Male newborn | 11513 (51.0) | 3923 (51.2) | 2048 (51.7) |
Data are n (%), mean ± SD (range).