Table 2.
Stepwise Backward Multiple Negative Binomial Regression for Post-earthquake Cumulative ZIKV Incidence Rates (n = 43).
| Variable | Initial Model | Final Model | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | SE | 95% CI | p-value | Estimate | SE | 95% CI | p-value | |||
| LB | UB | LB | UB | |||||||
| Earthquake impact group | 2.587 | 0.827 | 0.964 | 4.209 | 0.002* | 1.432 | 0.593 | 0.269 | 2.595 | 0.016 |
| Persons per household | −1.076 | 1.368 | −3.757 | 1. 605 | 0.431 | — | — | — | — | — |
| PrEQ Max Temp | −0.269 | 0.234 | −0.727 | 0.189 | 0.250 | −0.150 | 0.058 | −0.263 | −0.037 | 0.009 |
| PoEQ Max Temp | 0.174 | 0.254 | −0.324 | 0.671 | 0.495 | — | — | — | — | — |
| PrEQ Pressure | −0.253 | 0.885 | −1.988 | 1. 481 | 0.775 | — | — | — | — | — |
| PoEQ Pressure | −0.794 | 0.747 | −2.258 | 0.670 | 0.288 | −1.344 | 0.273 | −1.878 | −0.809 | <0.001 |
| PrEQ Sun Hours | 0.028 | 0.036 | −0.043 | 0.098 | 0.446 | — | — | — | — | — |
| PoEQ Sun Hours | −0.009 | 0.035 | −0.078 | 0.059 | 0.787 | — | — | — | — | — |
| Dispersion | 1.551 | 0.357 | 0.988 | 2.437 | — | 1.667 | 0.382 | 1.064 | 2.612 | — |
PrEQ = Pre-earthquake; PoEQ = Post-earthquake; *p < 0.05.