Table 3. Multivariate models for P. vivax infection and gametocyte carriage.
| Parasite prevalence | Gametocyte rate | |||||||
|---|---|---|---|---|---|---|---|---|
| Variable | OR | 95% CI | P-valuea | OR | 95% CI | P-valuea | ||
| Age | ||||||||
| ≤5y | 1 | 1 | ||||||
| >5y - 10y | 2.07 | 1.17, 3.69 | 0.013 | 0.88 | 0.16, 4.91 | 0.887 | ||
| >10y - 15y | 2.64 | 1.47, 4.71 | 0.001 | 1.27 | 0.24, 6.87 | 0.780 | ||
| >15y - 25y | 3.10 | 1.75, 5.49 | <0.001 | 1.99 | 0.39, 10.24 | 0.411 | ||
| >25y | 1.94 | 1.13, 3.32 | 0.016 | (0.001) | 1.58 | 0.32, 7.83 | 0.573 | (0.529) |
| Village | ||||||||
| Cahuide | 1 | 1 | ||||||
| Lupuna | 1.88 | 1.45, 2.44 | <0.001 | 1.87 | 1.01, 3.48 | 0.050 | ||
| House wall | ||||||||
| Brick, cement | 1 | - | - | - | ||||
| Wood | 1.66 | 1.02, 2.70 | 0.040 | - | - | - | ||
| Palm | 2.10 | 1.15, 3.84 | 0.016 | - | - | - | ||
| Other | 3.31 | 1.62, 6.73 | 0.001 | (0.007) | - | - | - | |
| 18S copies/μl (log) | - | - | - | 2.33 | 1.96, 2.78 | <0.001 | ||
| Fever, headache or chills | 2.09 | 1.59, 2.74 | <0.001 | - | - | - | ||
aresult of Wald test shown in brackets. OR, odds ratio; CI, confidence interval.