From: Highly focused anopheline breeding sites and malaria transmission in Dakar
Habitat characteristics | Number of obs. | Number of obs. positive for anopheline larvae | % obs. anopheles positive | OR | 95% CI | p-value |
---|---|---|---|---|---|---|
Zone | Â | Â | Â | Â | Â | < 0.001 |
Yarakh | 92 | 3 | 3% | 1 | Â | Â |
Parcelles Grand Medine * | 7 | 1 | 14% | 2.51 | 0.06 – 97.52 | 0.623 |
Gibraltar | 4 | 1 | 25% | 7.71 | 0.34 – 173.14 | 0.198 |
Pikine | 91 | 29 | 32% | 11.83 | 2.31 – 60.62 | 0.003 |
Ouest Foire | 36 | 23 | 64% | 41.99 | 6.96 – 253.38 | <0.001 |
Université | 21 | 15 | 71% | 65.20 | 8.70 – 488.74 | <0.001 |
Hann Maristes | 23 | 18 | 78% | 68.69 | 9.11 – 517.73 | <0.001 |
Almadies | 49 | 38 | 78% | 95.02 | 15.33 – 589.07 | <0.001 |
Liberté 5 | 0 | 0 | 0% | - |  |  |
Yoff Village | 0 | 0 | 0% | - | Â | Â |
Habitat type | Â | Â | Â | Â | Â | <0.001 |
"Céanes", cemented weels or basins | 128 | 5 | 4% | 1 |  |  |
Man-made water collections | 18 | 5 | 28% | 2.45 | 0.29 – 20.83 | 0.412 |
Canals | 8 | 4 | 50% | 3.02 | 0.21 – 43.62 | 0.417 |
Waterproof containers | 15 | 6 | 40% | 4.43 | 0.48 – 40.62 | 0.188 |
Swamp areas, marshes, ponds or lakes | 44 | 24 | 55% | 7.82 | 1.40 – 43.73 | 0.019 |
Ditches or puddles | 110 | 84 | 76% | 24.82 | 4.63 – 130.82 | <0.001 |
Period | Â | Â | Â | Â | Â | 0.793 |
Weeks 1 – 4 | 162 | 62 | 38% | 1 |  |  |
Weeks 5 – 8 | 161 | 66 | 41% | 1.09 | 0.58 – 2.03 |  |
Temporary collection | Â | Â | Â | Â | Â | 0.058 |
No | 155 | 22 | 14% | 1 | Â | Â |
Yes | 168 | 106 | 63% | 2.67 | 0.97 – 7.37 |  |
Perimeter (metres) | Â | Â | Â | Â | Â | 0.168 |
<20 m | 157 | 54 | 34% | 1 | Â | Â |
>= 20 m | 166 | 74 | 45% | 0.59 | 0.27 – 1.25 |  |
Water temperature (n = 243) | Â | Â | Â | Â | Â | 0.077 |
<30°C | 120 | 31 | 26% | 1 |  |  |
>= 30°C | 123 | 62 | 50% | 1.96 | 0.93 – 4.13 |  |
Turbidity (n = 222) | Â | Â | Â | Â | Â | 0.808 |
<13 (clear) | 106 | 26 | 25% | 1 | Â | Â |
>= 13 (turbid) | 116 | 62 | 53% | 1.09 | 0.54 – 2.21 |  |
Surface vegetation (%, n = 320) | Â | Â | Â | Â | Â | 0.078 |
<20% | 195 | 93 | 48% | 1 | Â | Â |
>= 20% | 125 | 35 | 28% | 0.44 | 0.18 – 1.10 |  |
Sunlight (%, n = 317) | Â | Â | Â | Â | Â | 0.974 |
<80% | 202 | 73 | 36% | 1 | Â | Â |
>= 80% | 115 | 52 | 45% | 0.99 | 0.40 – 2.45 |  |
Presence of predator (n = 287) | Â | Â | Â | Â | Â | 0.641 |
No | 132 | 55 | 42% | 1 | Â | Â |
Yes | 155 | 54 | 35% | 0.84 | 0.41 – 1.74 |  |
Presence of Culicinae larvae (n = 293) | Â | Â | Â | Â | Â | <0.001 |
No | 211 | 48 | 23% | 1 | Â | Â |
Yes | 84 | 58 | 69% | 5.46 | 2.55 – 11.66 |  |