Table 4.
Results of Multivariate Conditional Logistic Analysis. Note: B = Beta; S.E = standard error; OR = odds ratio; 95% CI = 95% confidence interval.
| Factor | B | S.E | P value | OR | 95% CI |
|---|---|---|---|---|---|
| Maternal chronic diseases during pregnancy | 0.616 | 0.308 | 0.046 | 1.852 | 1.012∼3.387 |
| Maternal severe vomiting | 0.648 | 0.297 | 0.029 | 1.911 | 1.067∼3.424 |
| Maternal exposure to polluted water | 0.791 | 0.294 | 0.007 | 2.205 | 1.240∼3.921 |
| Maternal adverse emotions during pregnancy | 0.975 | 0.169 | 0.000 | 2.650 | 1.903∼3.692 |
| Maternal nutrition supplementation during pregnancy | −0.531 | 0.182 | 0.004 | 0.588 | 0.412∼0.841 |
| Paternal education level | −0.537 | 0.188 | 0.004 | 0.585 | 0.405∼0.845 |
| Paternal heavy metal exposure | 0.688 | 0.352 | 0.050 | 1.990 | 0.999∼3.963 |
| Paternal active smoking | 0.676 | 0.189 | 0.000 | 1.967 | 1.357∼2.850 |
| Constant | −3.643 | 0.819 | 0.000 | 0.026 |