Table 2.
Results of bivariate logistic regression models
| Habitat characteristics | Culex | Anopheles | Pupae | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ORa | 95 % CI | P value | ORa | 95 % CI | P value | ORa | 95 % CI | P value | |
| Season | |||||||||
| Dry | 13 | (1.6–104.1) | 0.016 | 0.27 | (0.07–1.03) | 0.05 | 25.4 | (5.6–116.4) | <0.001 |
| Rainy | 3.1 | (1.7–5.8) | <0.001 | 0.29 | (0.15–0.56) | <0.001 | 0.77 | (0.44–0.32) | 0.338 |
| Turbidity | |||||||||
| Clear | 0.18 | (0.05–0.70) | 0.014 | 1 | 0.19 | (0.07–0.47) | <0.001 | ||
| Turbid | 16 | (5–51.4) | <0.001 | 0.53 | (0.29–1.00) | 0.05 | 4.7 | (2.3–9.6) | <0.001 |
| Water movement | |||||||||
| Stagnant | 12 | (3.32–43.42) | <0.001 | 3.28 | (0.39–26.93) | 0.27 | 13.5 | (3.5–52.3) | <0.001 |
| Flowing | 1 | (0.37–2.66) | 0.796 | 0.07 | (0.01–0.50) | 0.009 | 0.23 | (0.06–0.81) | 0.022 |
| Sunlight | |||||||||
| Sunlight | 1.28 | (0.36–4.57) | 0.699 | 1 | 1.04 | (0.39–2.81) | 0.931 | ||
| Shaded | 4.8 | (1.6–14) | 0.005 | 0.27 | (0.15–0.47) | <0.001 | 1.87 | (0.79–4.42) | 0.151 |
| Habitat | |||||||||
| Stretch of sea | 0.39 | (0.08–1.99) | 0.259 | 1 | 0.92 | (0.20–4.16) | 0.913 | ||
| Irrigated rice field | 1.03 | (0.10–10.23) | 0.980 | 30.8 | (4.1–232) | 0.001 | 0.57 | (0.12–2.85) | 0.498 |
| Pool of water | 0.39 | (0.08–1.99) | 0.071 | 15.4 | (2.4–98.3) | 0.004 | 0.41 | (0.10–1.66) | 0.030 |
| Water tank | 1 | 4.62 | (0.56–37.91) | 0.154 | 0.52 | (0.12–2.22) | 0.375 | ||
| Sceptic tank | 1.03 | (0.10–10.23) | 0.980 | 1 | 1.03 | (0.18–5.8) | 0.970 | ||
| Tyre | 1 | 1 | 0.17 | (0.01–2.11) | 0.169 | ||||
| Container | 0.44 | (0.04–5.11) | 0.513 | 6.17 | (0.43–89.34) | 0.182 | 1 | ||
| Gutter | 6.8 | (2.7–17.4) | <0.001 | 0.05 | (0.01–0.22) | <0.001 | 2.9 | (1.41–5.95) | 0.004 |
Outcome presence vs absence of Anopheles larvae, Culex larvae and pupae (Anopheles and Culex); explanatory variable habitat characteristics
a Crude odds ratio (OR)
b P value based on likelihood ratio test (LRT)