Characteristics
|
Total (N=5,986) | Preterm birth (N = 344) | Term birth (N = 5,642) |
P Value
|
Maternal Characteristics | ||||
Maternal age at delivery, years | 32.2 ± 4.7 | 33.4 ± 5.0 | 32.2 ± 4.7 | <0.001 |
Parity | ||||
Primiparous | 2124 (35.5) | 107 (31.1) | 2017 (35.7) | <0.001 |
Multiparous | 3862 (64.5) | 237(68.9) | 3625 (64.3) | |
Pre-pregnancy BMI, kg/m2 | 20.7 ± 2.9 | 21.1 ± 3.0 | 20.7 ± 2.9 | 0.005 |
Smoking during pregnancy | NA | |||
Yes | 4 (0.1) | 0 (0.0) | 4 (0.1) | |
No | 5982 (99.9) | 344 (100.0) | 5638 (99.9) | |
GDM | <0.001 | |||
Yes | 906 (15.4) | 74 (21.5) | 832 (14.7) | |
No | 5080 (84.6) | 270 (78.5) | 4810 (85.3) | |
Delivery mode | ||||
cesarean delivery | 2107(35.2) | 164 (47.7) | 1943 (34.4) | <0.001 |
vaginal delivery | 3879(64.8) | 180 (52.3) | 3699 (65.6) | |
Neonatal Characteristics | ||||
Infant sex | ||||
male | 3214 (53.7) | 194 (56.4) | 3020 (53.5) | 0.300 |
female | 2772 (46.3) | 150 (43.6) | 2622 (46.5) | |
Birth weight, g | 3202.8 ± 458.7 | 2368.5 ± 520.9 | 3257.7 ± 402.2 | <0.001 |
Apolipoprotein levels in mid-pregnancy | ||||
ApoA-1, g/L | 2.07 (0.30) | 2.11 (0.36) | 2.07 (0.30) | 0.094 |
ApoB, g/L | 0.96 (0.28) | 1.00 (0.30) | 0.95 (0.28) | <0.001 |
ApoB/ApoA-1 | 0.47 (0.14) | 0.48 (0.16) | 0.46 (0.14) | 0.003 |