Table 5 Summary of the results for the evaluation of different doses of transfluthrin used in emanators across different species of Anopheles mosquitoes in the Ifakara large ambient chamber test, as measured using a landing method (human landing catch; HLC) and a biting method (blood-feeding)
Mosquito species | Dosage | Landing experimenta | Biting experimentb | IRR landing vs biting | |||||
|---|---|---|---|---|---|---|---|---|---|
IRR (95% CI) | P-value | %PE (1-1RR) | IRR (95% CI) | P-value | %PE (1-1RR) | IRR (95% CI) | P-value | ||
Overall | Overall |  |  |  |  |  |  | 0.87 (0.81–0.93) |  < 0.001 |
Control |  |  |  |  |  |  | 0.90 (0.82–0.97) | 0.01 | |
Transfluthrin |  |  |  |  |  |  | 0.82 (0.74–0.91) |  < 0.001 | |
Anopheles gambiae (Ifakara strain) | 0Â g | 1.00 | Â | Â | 1.00 | Â | Â | 1 | Â |
5 g | 0.65 (0.47–0.88) | 0.01 | 35 | 0.60 (0.44–0.82) | 0.01 | 40 | 0.77 (0.63–0.94) | 0.01 | |
10 g | 0.55 (0.40–0.72) | 0.01 | 45 | 0.46 (0.33–0.66) | 0.01 | 34 | |||
15 g | 0.52 (0.38–0.72) | 0.01 | 48 | 0.51 (0.36–0.74) | 0.01 | 49 | |||
20 g | 0.41 (0.28–0.61) | 0.01 | 59 | 0.31 (0.11–0.51) | 0.01 | 69 | |||
Anopheles gambiae (Kisumu strain; KDR) | 0 | 1.00 | Â | Â | 1.00 | Â | Â | 1 | Â |
5 g | 0.56 (0.41–0.77) | 0.01 | 44 | 0.68 (0.50–0.93) | 0.01 | 32 | 0.97 (0.80–1.17) |  > 0.05 | |
10 g | 0.59 (0.43–0.81) | 0.01 | 41 | 0.57 (0.41–0.81) | 0.01 | 43 | |||
15 g | 0.46 (0.32–0.65) | 0.01 | 54 | 0.48 (0.34–0.69) | 0.01 | 52 | |||
20 g | 0.44 (0.32–0.64) | 0.01 | 56 | 0.46 (0.31–0.69) | 0.01 | 54 | |||
Anopheles funestus | 0 | 1.00 | Â | Â | 1.00 | Â | Â | 1 | Â |
5 g | 0.76 (0.57–1.00) | 0.01 | 34 | 0.70 (0.53–0.95) | 0.01 | 30 | 0.75 (0.63–0.89) |  < 0.001 | |
10 g | 0.70 (0.52–0.92) | 0.01 | 30 | 0.56 (0.40–0.77) | 0.01 | 44 | |||
15 g | 0.68 (0.50–0.90) | 0.01 | 32 | 0.50 (0.36–0.69) | 0.01 | 50 | |||
20 g | 0.43 (0.30–0.62) | 0.01 | 57 | 0.40 (0.26–0.60) | 0.01 | 60 | |||