Table 3. Subgroup analyses of the associations between ApoB,
ApoB/ApoA-1 and preterm birth, stratified by pre-pregnancy BMI, maternal
age and parity.
Subgroup |
ApoB |
ApoB |
|
ApoB/ApoA-1 |
ApoB/ApoA-1 |
|
OR (95% CI) |
P for
interaction
|
|
OR (95% CI) |
P for interaction
|
overall |
2.33 (1.40,3.86) |
|
|
4.1 (1.47,11.36) |
|
Pre-pregnant BMI, kg/m2
|
|
|
|
|
|
<24 |
2.50 (1.43,4.33) |
0.84 |
|
4.95 (1.60,15.21) |
0.61 |
≥24 |
2.35 (0.23,24.32) |
|
|
2.35 (0.23,24.32) |
|
Maternal age at delivery, years |
|
|
|
|
|
<35 |
2.18 (1.12,4.19) |
0.18 |
|
2.92 (0.77,11.03) |
0.29 |
≥35 |
2.56 (1.15,5.65) |
|
|
6.44 (1.23,31.67) |
|
Parity |
|
|
|
|
|
Primiparous |
1.66 (0.66,4.10) |
0.33 |
|
1.20 (0.19,7.41) |
0.27 |
Multiparous |
2.72 (1.47,4.99) |
|
|
7.27 (2.12,24.82) |
|