Training cohort (n = 18) | Validation cohort (n = 10) | |
Demographics | ||
Age (years, mean ± SD) | 31.9 ± 3.4 | 32.8 ± 5.1 |
Body mass index (kg/m2, mean ± SD) | 23.8 ± 6.5 | 26.3 ± 2.2 |
Gravity [median (interquartile range)] | 1.5 (1, 7) | 2 (1, 5) |
Parity (% nulliparous) | 50 | 30 |
Race (%) | ||
Caucasian | 15 (83) | 7 (70) |
Others (Asian, African, or American Indian) | 2 (11) | 3 (30) |
Unknown | 1 (6) | 0 |
Ethnicity (% Hispanic) | 3 (11) | 2 (20) |
Married (%) | 14 (78) | 8 (80) |
Level of education (%) | ||
≤High school | 2 (11) | 1 (10) |
>High school | 16 (89) | 9 (90) |
Current pregnancy parameters | ||
Gestational age at delivery (weeks, mean ± SD) | 38.9 ± 1.4 | 39.5 ± 1.3 |
Mode of delivery (%) | ||
Spontaneous | 13 (72) | 5 (50) |
Cesarian section | 5 (18) | 5 (50) |
Birth weight (kg, mean ± SD) | 3.2 ± 0.4 | 3.7 ± 0.4 |
Five-minute Apgar score [media (range)] | 9 (8–9) | 9 (8–9) |