Table 3.
Multi-factor Logistic regression analysis of adverse pregnancy outcomes of pregnant women with syphilis.
| Influencing factors | B | p | aOR | aOR (95%CI) |
|---|---|---|---|---|
| Age/year | ||||
| <20 | 0.242 | 0.003 | 1.274 | 1.088–1.493 |
| 20–34 | - | 0.000 | 1.000 | - |
| ≥35 | 0.338 | 0.000 | 1.402 | 1.167–1.686 |
| Marriage | ||||
| Married | - | 0.000 | 1.000 | - |
| Unmarried | 0.618 | 0.000 | 1.855 | 1.453–2.367 |
| Gestational week of initial test | ||||
| Early stage | - | 0.023 | 1.000 | - |
| Middle stage | 0.067 | 0.472 | 0.935 | 0.890–1.284 |
| Late stage | 0.236 | 0.024 | 1.266 | 1.032–1.555 |
| Gestational week of syphilis confirmation this time | ||||
| Early or middle stage | - | 0.000 | 1.000 | - |
| Late stage | 1.759 | 0.003 | 5.806 | 1.796–18.770 |
| At delivery | 1.412 | 0.019 | 4.102 | 1.263–13.330 |
| After delivery | 1.148 | 0.056 | 3.152 | 0.971–10.234 |
| Others | 1.311 | 0.032 | 3.709 | 1.123–12.251 |
| Current syphilis status of husbands or sexual partners | ||||
| Positive | - | 0.013 | 1.000 | - |
| Negative | 0.203 | 0.003 | 1.222 | 1.068–1.398 |
| Unknown or untested | 0.064 | 0.131 | 1.066 | 0.825–1.377 |
| Treatment | ||||
| Standard | - | 0.000 | 1.000 | - |
| Non-standard | 1.196 | 0.000 | 3.301 | 2.841–3.846 |
| Untreated | 1.912 | 0.000 | 6.756 | 5.586–8.197 |