Table 5. Results of multiple logistic regression of the association between seropositivity to Chikungunya/Dengue/Both with household and individual factors.
Results of the best fitting model (based on AIC) for each outcome are shown. All models included a random effect for location.
| Dengue (Past) | Dengue (Recent) | Chikungunya (Past) | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Age (per years) | 1.15 | 1.10–1.20 | 0.96 | 0.96–0.99 | ||
| Gender-Female | 0.73 | 0.52–1.01 | ||||
| Years lived (per year) | 1.02 | 1.01–1.04 | ||||
| Seroprevalence (chikungunya/ dengue) | 4.26 | 1.88–9.67 | 1.46 | 1.05–2.02 | 4.44 | 1.98–9.98 |
| Size of household (per add. member) | 1.21 | 0.99–1.51 | ||||
| Monthly hh. income (per higher cat)* | 0.8 | 0.63–1.00 | 0.83 | 0.74–0.94 | ||
| Source of Drinking Water | ||||||
| Metro-Piped | Ref | - | ||||
| Ground-Hand pump | 1.94 | 1.04–3.66 | ||||
| Travel in the last month | 1.87 | 1.20–2.92 | ||||
*Income categories are described in table 2