Table 3.
Summary for the multivariate logistic regression model testing association between Zika IgG and key factors
| Factors | Odds ratio | Z-statistic | P-value* | 95% confidence interval |
|---|---|---|---|---|
| Geographical zone | ||||
| Zone (2) | 1.2 | 1.01 | 0.31 | 0.84–1.71 |
| Zone (3) | 1.3 | 0.91 | 0.36 | 0.72–2.42 |
| Zone (4) | 1.4 | 1.29 | 0.19 | 0.85–2.17 |
| Urban/rural residence | ||||
| Urban | 1.4 | 1.66 | 0.09 | 0.93–2.14 |
| Age group (years) | ||||
| 15–39 | 2.1 | 2.61 | 0.01 | 1.20–3.70 |
| 40–65 | 2.2 | 2.63 | 0.01 | 1.21–3.86 |
| > 65 | 2.2 | 1.76 | 0.07 | 0.92–5.14 |
| Sex | ||||
| Male | 1.3 | 1.84 | 0.06 | 0.98–1.74 |
Reference groups are: Zone (1), rural settlements, younger age group < 15 years and female sex
* P-value cut-off for statistical significance ≤ 0.05