Table 1. Demographic characteristics of the study population.
| Variables | AGA (N = 328) | SGA (N = 114) | p-value |
|---|---|---|---|
| Maternal age (years) | 33.2±3.8 | 33.2±3.8 | 0.928 |
| Maternal weight before pregnancy (kg) | 55.2±7.8 | 52.2±8.0 | <0.001 |
| Maternal height (cm) | 162.0±4.4 | 161.0±4.8 | 0.04 |
| BMI before pregnancy (kg/m2) | 21.0±2.8 | 20.2±2.8 | 0.005 |
| Maternal weight gain during pregnancy (kg) | 11.4±4.6 | 10.7±4.0 | 0.135 |
| Maternal weight at delivery (kg) | 66.6±8.4 | 63.0±8.9 | <0.001 |
| BMI at delivery (kg/m2) | 25.4±3.0 | 24.3±3.1 | 0.001 |
| Gestational age at delivery (days) | 275.0±7.1 | 276.3±7.5 | 0.123 |
| Parity | 0.088 | ||
| Nulliparous | 207 (63.1) | 82(71.9) | |
| Multiparous | 121 (36.9) | 32(28.1) | |
| Birth weight (g)* | 3309.9±13.7 | 2660.1±23.2 | <0.001 |
AGA, adequate for gestational age; SGA, small for gestational age; BMI, body mass index
Values are presented as mean ± standard deviation or n (%) unless otherwise specified.
*Values are presented as mean ± standard error after adjustment for gestational age at delivery.