Table 3.
Factors associated with testing positive for malaria during reactive case detection
| Factor | Categorization | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
|---|---|---|---|
| Age | >15 years | Reference | Reference |
| 5–15 years | 1.768*** (1.524–2.053) | 1.739*** (1.490–2.031) | |
| <5 years | 1.069 (0.884–1.293) | 0.936 (0.768–1.140) | |
| Travel | No travel in previous 2 weeks | Reference | Reference |
| Travelled in previous 2 weeks | 1.741*** (1.337–2.266) | 1.927*** (1.464–2.536) | |
| Gender | Female | Reference | Reference |
| Male | 1.287*** (1.128–1.469) | 1.272** (1.108–1.459) | |
| Season | During dry season | Reference | Reference |
| During rainy season | 1.403** (1.149–1.714) | 1.435** (1.168–1.762) | |
| House location | Beyond nearest neighbours | Reference | Reference |
| Index house | 3.059*** (2.147–4.359) | 2.992*** (2.076–4.312) | |
| Nearest neighbour (5 houses) | 2.065*** (1.465–2.911) | 2.033*** (1.426–2.897) | |
| Symptoms | No fever | Reference | Reference |
| Fever | 4.536*** (3.757–5.475) | 4.661*** (3.840–5.657) |
N = 14,049 individuals, 859 cases
CI confidence interval, OR odds ratio
*p < 0.05 **p < 0.01 ***p < 0.001