Table 3.
Predictive factors associated with Anopheles larval densities
| Parameter | Details | Coefficient | Odd ratio (95% CI) | P-value |
|---|---|---|---|---|
| Landscape zones | Highland plateau | 0 | 1 | |
| Lakeshore | 1.173 | 3.23 (2.50–4.18) | < 0.0001 | |
| Hillside | 0.594 | 1.81 (1.32–2.48) | < 0.0001 | |
| Habitat type | Brick pit | 0 | 1 | |
| Drainage | 0.055 | 1.06 (0.74–1.51) | 0.761 | |
| River edge | − 0.28 | 0.76 (0.44–1.30) | 0.309 | |
| Swamp | − 0.922 | 0.40 (0.24–0.66) | < 0.0001 | |
| Animal hoof print | 1.731 | 5.65 (3.48–9.17) | < 0.0001 | |
| Tire truck | 0.532 | 1.70 (1.14–2.55) | 0.001 | |
| Manmade pond | − 0.858 | 0.42 (0.29–0.63) | < 0.0001 | |
| Rain natural pond | − 1.09 | 0.34 (0.18–0.64) | 0.001 | |
| Rock pool | − 1.01 | 0.36 (0.15–0.88) | 0.024 | |
| Water container | − 2.619 | 0.07 (0.10–0.56) | 0.012 | |
| Land use type | Cultivated land | 0 | 1 | |
| Shrub land | 0.194 | 1.21 (0.83–1.78) | 0.322 | |
| Pasture/grassland | 0.558 | 1.75 (1.41–2.16) | < 0.0001 | |
| Wetland | 0.832 | 2.30 (1.60–3.29) | < 0.0001 | |
| Substrate | Plastic/container | 0 | 1 | |
| Sand | − 0.0824 | 0.44 (0.05–3.60) | 0.443 | |
| Mad | − 1.338 | 0.26 (0.03–2.14) | 0.211 | |
| Distance | > 200 m | 0 | 1 | |
| < 100 m | − 0.103 | 0.90 (0.35–2.27) | 0.826 | |
| 100–200 | 0.163 | 1.18 (0.46–3.01) | 0.735 | |
| Season | Dry | 0 | 1 | |
| Wet | 1.523 | 4.59 (3.61–5.83) | < 0.0001 | |
| Predators | Yes | 0 | 1 | |
| No | − 0.303 | 0.77 (0.61–0.89) | 0.002 | |
| Algae | Yes | 0 | 1 | |
| No | 0.721 | 2.06 (0.80–5.30) | 0.136 | |
| Vegetation cover | − 0.001 | 1.00 (0.99–1.00) | 0.451 | |
| Habitat size | − 0.008 | 0.99 (0.99–0.99) | 0.034 | |
| (Scale) | 1 | |||
| (Negative binomial) | 1 |
Dependent variable: Anopheles density
Model: (Intercept), topography, habitat type, land use, substrate, distance, season, predator, algae, vegetation cover, habitat size