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Table 4 Comparison of nightly outdoor biting per person between houses with or without transfluthrin-treated chairs or ribbons (wet season)

From: Creating mosquito-free outdoor spaces using transfluthrin-treated chairs and ribbons

Settings Species Treatment Nights n Adjusted-mean (95% CI) RR (95% CI) PP (95% CI) P-value
Outdoor peri-domestic space Anopheles arabiensis Control 32 1116 5.71 (4.89–6.67) 1 0  
One TF-chair 32 308 1.42 (1.17–1.72) 0.25 (0.20–0.31) 0.75 (0.69–0.79) < 0.001
Two TF-chairs 32 189 0.86 (0.69–1.07) 0.15 (0.12–0.18) 0.85 (0.81–0.88) < 0.001
TF-treated ribbon 32 273 1.32 (1.08–1.60) 0.23 (0.18–0.28) 0.77 (0.71–0.81) < 0.001
Culex spp. Control 32 4142 21.78 (18.11–26.18) 1 0  
One TF-chair 32 2598 13.17 (10.93–15.86) 0.60 (0.53–0.68) 0.40 (0.31–0.47) < 0.001
Two TF-chairs 32 2216 10.68 (8.85–12.87) 0.49 (0.43–0.56) 0.51 (0.44–0.57) < 0.001
TF-treated ribbon 32 2794 13.93 (11.56–16.78) 0.64 (0.56–0.72) 0.36 (0.27–0.44) < 0.001
Inside outdoor kitchen enclosure Anopheles arabiensis Control 32 68 Low catches    
TF-sisal ribbon 32 24 Low catches    
Culex spp. Control 32 302 0.49 (0.31–0.78) 1 0  
TF-sisal ribbon 32 172 0.26 (0.15–0.43) 0.52 (0.32–0.86) 0.48 (0.13–0.67) 0.011
  1. n total number of mosquito collected, CI confidence interval, PP percentage protection, RR relative rate, TF transfluthrin, 1 and 0 references