|
> 8 weeks |
> 8 weeks |
< 8 ANC contacts |
< 8 ANC
contacts |
|
Unadjusted OR (CI), p value |
Adjusted OR (CI), p
value |
Unadjusted OR (CI), p value |
Adjusted OR
(CI), p value |
Age
Less than 30 years
≥ 30 years
|
0.240 (0.172 to 0.336) 0.000
|
1.275 (0.569 to 2.857) 0.555
|
0.057 (0.037 to 0.086) 0.000
|
0.478 (0.132 to 1.728) 0.260
|
Education
Highschool diploma or less
Undergraduate diploma or higher
|
1.088 (0.748 to 1.584) 0.659
|
1.547 (0.000 to 0.000) 1.000
|
0.329 (0.250 to 0.434) 0.000
|
0.010 (0.003 to 0.036) 0.000
|
Number of pregnancies
Less than 5
More than 5
|
0.806 (0.781 to 0.832) 0.000
|
0.000 (0.000 to 0.000) 0.998
|
3732.019 (231.462 to 60173.878) 0.000
|
0.000 (0.000 to 0.000) 0.995
|
Number of births
Less than 5
More than 5
|
0.020 (0.003 to 0.142) 0.000
|
0.000 (0.000 to 0.000) 0.997
|
0.003 (0.001 to 0.011) 0.000
|
0.402 (0.000 to 0.000) 1.000
|
Number of abortions
None
One
More than one
|
Reference
2.065 (1.364 to 3.112) 0.000
7.335 (2.668 to 20.165) 0.000
|
Reference
4.906E6 (0.000 to 0.000) 0.992
8.959E6 (0.000 to 0.000) 0.992
|
Reference
2.972 (2.255 to 3.918) 0.000
10.359 (6.738 to 15.927) 0.000
|
Reference
0.936 (0.173 to 5.057) 0.938
0.538 (0.89 to 3.176) 0.489
|
Planned Pregnancies
Yes
No
|
541.281 (33.632 to 8711.487) 0.000
|
1.954 (0.000 to 0.000) 1.000
|
2658.984 (165.269 to 42779.875) 0.000
|
0.000 (0.000 to 0.000) 0.996
|
More than 24 months between Pregnancies
Yes
No
Been pregnant only once
|
Reference
1.334 (0.026 to 67.420) 0.885
0.001 (0.0001 to 0.0207) 0.000
|
Reference
0.753 (0.000 to 0.000) 1.000
0.000 (0.000 to 0.000) 0.999
|
Reference
3.778 (2.845 to 5.017) 0.000
0.003 (0.0002 to 0.050) 0.000
|
Reference
4.427 (0.000 to 0.000) 1.000
6.950E6 (0.000 to 0.000) 0.990
|
Pre-existing conditions
Yes
No
|
881.289 (54.733 to 14190.081) 0.000
|
3.034E3 (0.000 to 0.000) 0.999
|
0.253 (0.193 to 0.332) 0.000
|
0.000 (0.000 to 0.000) 0.985
|
Ever delivered prematurely
Yes
No
|
1185.654 (73.600 to 19100.147) 0.000
|
0.005 (0.000 to 0.000) 1.000
|
0.024 (0.015 to 0.039) 0.000
|
0.002 (0.000 to 0.009) 0.000
|
Placenta problems during pregnancy
Yes
No
|
117.658(66.520 to 208.111) 0.000
|
8.337E13 (0.000 to 0.000) 0.988
|
4.302 (2.550 to 7.257) 0.000
|
0.102 (0.000 to 0.000) 0.999
|
Type of delivery
Normal
Caesarean
|
598.333 (37.174 to 9630.299) 0.000
|
8.490E8 (0.000 to 0.000) 0.996
|
0.274 (0.214 to 0.351) 0.000
|
0.016 (0.000 to 0.000) 0.984
|
Prenatal care use
Yes
No
|
0.942 (0.575 to 1.544) 0.814
|
0.620 (0.202 to 1.897) 0.402
|
1.279 (0.891 to 1.837) 0.181
|
0.855 (0.204 to 3.576) 0.830
|
Frequency of prenatal vitamins
Everyday
Once a week
Most days
|
Reference
1.358 (0.571 to 3.230) 0.488
1.075 (0.607 t 1.903) 0.803
|
Reference
2.202 (0.709 to 6.836) 0.172
1.913 (0.384 to 9.528) 0.428
|
Reference
1.842 (1.059 to 3.202) 0.030
1.265 (0.843 to 1.898) 0.255
|
Reference
0.833 (0.197 to 3.514) 0.803
1.520 (0.208 to 11.113) 0.680
|