Table 3 Larval densities in different aquatic habitats of Ae. aegypti mosquitoes in the dry and rainy seasons in the study area
Habitat type | No. of larvae | No. of habitats | Mean (95% CI) | RR (95% CI) | P-value |
|---|---|---|---|---|---|
Dry season | |||||
Used tire | 844 | 51 | 16.5 (15.46–17.70) | 1 | |
Clay pot | 652 | 44 | 14.8 (13.7–16.00) | 0.89 (0.80–0.99) | 0.034 |
Container | 93 | 24 | 3.9 (3.16–4.75) | 0.23 (0.19–0.29) | < 0.01 |
Flowerpot | 163 | 9 | 18.1 (15.53–21.12) | 1.09 (0.93–1.29) | 0.292 |
Pit | 96 | 7 | 13.7 (11.23–16.75) | 0.83 (0.67–1.02) | 0.081 |
Tree-hole | 199 | 4 | 49.8 (43.3–57.17) | 3.00 (2.58–3.50) | < 0.01 |
Others | 12 | 6 | 2.0 (1.14–3.52) | 0.12 (0.07–0.21) | < 0.01 |
Rainy season | |||||
Used tire | 1276 | 55 | 23.2 (21.96–24.51) | 1 | |
Clay pot | 978 | 55 | 17.8 (16.7–18.93) | 0.77 (0.70–0.83) | < 0.01 |
Container | 504 | 27 | 18.7 (17.11–20.37) | 0.80 (0.72–0.89) | < 0.01 |
Flowerpot | 273 | 17 | 16.1 (14.26–18.01) | 0.69 (0.61–0.79) | < 0.01 |
Pit | 133 | 7 | 19.0 (16.03–22.52) | 0.82 (0.69–0.98) | 0.028 |
Tree-hole | 68 | 4 | 17.0 (13.4–21.56) | 0.73 (0.57–0.94) | 0.012 |
Others | 119 | 5 | 23.8 (19.87–28.48) | 1.03 (0.85–1.24) | 0.790 |