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Table 2 Results of bivariate logistic regression models

From: Low prevalence of Plasmodium and absence of malaria transmission in Conakry, Guinea: prospects for elimination

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
  1. Outcome presence vs absence of Anopheles larvae, Culex larvae and pupae (Anopheles and Culex); explanatory variable habitat characteristics
  2. a Crude odds ratio (OR)
  3. b P value based on likelihood ratio test (LRT)