Table 3.
Infant birth characteristics stratified by case and control status.
| Variable | All controls (N = 1,080) | All cases (N = 489) | p-value | |
|---|---|---|---|---|
| Gestational age at birth (Mean ± SD) | 38.50 ± 2.25 | 38.11 ± 2.74 | <0.01 | |
| Mode of delivery | <0.05 | |||
| Vaginal birth | 790 (73.2%) | 329 (67.3%) | ||
| Cesarean section | 290 (26.9%) | 160 (32.7%) | ||
| Apgar scores (Mean ± SD) | ||||
| 1 min | 7.48 ± 1.57 | 7.17 ± 1.77 | <0.001 | |
| 5 min | 8.73 ± 0.90 | 8.56 ± 1.18 | <0.01 | |
| Birth length (Mean ± SD) | 49.01 ± 4.56 | 47.07 ± 4.86 | <0.001 | |
| Birth FOC (Mean ± SD) | 33.42 ± 2.72 | 32.26 ± 3.20 | <0.001 | |
SD, Standard deviation; FOC, Frontal-occipital circumference.