Table 4.
Multivariate logistic regression of predictors of infant abnormalities at birth (N = 114).
| Variables | Odds Ratio (95% CI) | p |
|---|---|---|
| Municipal-scale variable | ||
| Attack rate Rio vs. Manaus |
17.6 (5.55–55.88) | <0.001 |
| Maternal categorical variables | ||
| First trimester ZIKV infection | 4.26 (1.4–12.9) | 0.011 |
| Monotypic DENV infection vs. no DENV infection | 0.78 (0.18–3.31) | 0.73 |
| Heterotypic vs. monotypic DENV infection | 0.466 (0.154–1.413) | 0.18 |
| Maternal continuous variables | ||
| Maternal age | 1.0 (0.99–1) | 0.59 |
| DENV-1 titer | 0.99 (0.99–1) | 0.198 |
| DENV-2 titer | 0.99 (0.99–1) | 0.846 |
| DENV-3 titer | 0.99 (0.98–1.0) | 0.32 |
| DENV-4 titer | 1 (0.99–1.01) | 0.7 |
| Test of avidity | 0.99(0.96–1.02) | 0.523 |