Table 2 Summary statistics for comparison of the number of mosquitoes of different species collected from walls, roofs and other surfaces inside the different house types, in Ulanga and Kilombero districts, south-eastern Tanzania
House type | Resting surfaces | Â | Mosquito species | Â | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Anopheles funestus | Anopheles arabiensis | Culex mosquitoes | ||||||||
Mean (95% CI) | RR (95% CI) | p value | Mean (95% CI) | RR (95% CI) | p value | Mean (95% CI) | RR (95% CI) | p value | ||
Thatched roofs and mud walls | Walls | 0.26 (0.08–0.90) | 1.00 |  | 0.12 (0.05–0.29) | 1.00 |  | 2.02 (0.70–5.80) | 1.00 |  |
Roofs | 0.71 (0.21–2.43) | 2.72 (2.11–3.50) | 0.001 | 0.23 (0.09–0.55) | 1.93 (1.33–2.79) | 0.001 | 3.56 (1.24–10.24) | 1.77 (1.50–2.08) | 0.001 | |
Other surfaces | 0.39 (0.11–1.34) | 1.49 (1.14–1.94) | 0.003 | 0.21 (0.08–0.50) | 1.73 (1.20–2.51) | 0.004 | 2.63 (0.91–7.57) | 1.31 (1.11–1.54) | 0.001 | |
Thatched roofs and brick walls | Walls | 0.63 (0.14–2.76) | 1.00 |  | 0.15 (0.07–0.29) | 1.00 |  | 3.58 (1.58–8.10) | 1.00 |  |
Roofs | 0.73 (0.17–3.23) | 1.17 (0.94–1.45) | 0.170 | 0.34 (0.18–0.64) | 2.27 (2.27–2.28) | 0.001 | 6.16 (2.73–13.92) | 1.72 (1.37–2.16) | 0.001 | |
Other surfaces | 1.02 (0.23–4.49) | 1.63 (1.31–2.02) | 0.001 | 0.29 (0.15–0.56) | 1.97 (1.96–1.97) | 0.001 | 4.16 (1.84–9.39) | 1.16 (0.92–1.47) | 0.210 | |
Metal roofs and un-plastered brick walls | Walls | 0.75 (0.27–2.11) | 1.00 |  | 0.06 (0.02–0.16) | 1.00 |  | 3.08 (1.16–8.19) | 1.00 |  |
Roofs | 0.32 (0.11–0.90) | 0.42 (0.32–0.57) | 0.001 | 0.02 (0.01–0.06) | 0.29 (0.12–0.71) | 0.007 | 1.56 (0.58–4.18) | 0.51 (0.37–0.69) | 0.001 | |
Other surfaces | 0.94 (0.33–2.63) | 1.25 (0.96–1.63) | 0.100 | 0.10 (0.04–0.25) | 1.60 (0.93–2.78) | 0.090 | 4.62 (1.74–12.2) | 1.50 (1.15–1.97) | 0.003 | |
Metal roofs and plastered brick walls | Walls | 0.15 (0.03–0.64) | 1.00 |  | – | – | – | 1.75 (0.48–6.44) | 1.00 |  |
Roofs | 0.11 (0.02–0.47) | 0.73 (0.50–1.07) | 0.110 | – | – | – | 1.12 (0.30–4.11) | 0.64 (0.48–0.83) | 0.001 | |
Other surfaces | 0.28 (0.06–1.22) | 1.92 (1.41–2.59) | 0.001 | – | – | – | 3.48 (0.95–12.70) | 1.98 (1.56–2.52) | 0.001 | |