Table 4.
Multivariable Stepwise Regression Analysis of Cytokines, Cytokine Ratios, and Clinical and Behavioral Factors Associated With Incident Chlamydial Infection
| Factor | HR | (95% CI) | P Value |
|---|---|---|---|
| Flt-3L/IL-14 | 0.71 | (.58–.88) | .001 |
| Agea | 0.91 | (.83–.99) | .038 |
| Gonorrhea infection during follow-upa | 3.88 | (1.92–7.87) | < .001 |
| Site of chlamydial infection at enrollmenta | |||
| Endometrial infection negative | Reference | Reference | … |
| Endometrial infection positive | 0.70 | (.45–1.10) | .121 |
| Chlamydial infection diagnosis received by partner during follow-upa | 7.46 | (3.53–15.76) | < .001 |
| Sex exposurea | |||
| Sex with uncircumcised male in last 3 mo | 3.36 | (1.50–7.51) | .003 |
| New male partner(s) since last visit | 1.83 | (1.06–3.17) | .031 |
| Cervical chlamydial load | 0.97 | (.8–1.17) | .745 |
Abbreviations: CI, confidence interval; Flt-3L, FMS-like tyrosine kinase 3 ligand; HR, hazard ratio; IL-14, interleukin 14.
aPreviously identified risk factors for incident chlamydial infection [5].