Table 3: Multiple logistic regression analysis with forward stepwise selection (Wald).

Risk factorsBS.E.WalddfSig.Exp (B)95% CI
LowerUpper

Afghan race1.40.4410.310.0016.282.119
History of preeclampsia2.70.5721.910.000114.74.845
Primigravida0.9250.327810.0052.51.34.8
ID+DD genotype1.10.3678.710.0032.951.46.1
Constant0.360.361.0110.3141.4