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

Malaria Journal

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

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
	Anopheles arabiensis	TF-sisal ribbon	32	24	Low catches
	Culex spp.	Control	32	302	0.49 (0.31–0.78)	1	0
	Culex spp.	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

n total number of mosquito collected, CI confidence interval, PP percentage protection, RR relative rate, TF transfluthrin, 1 and 0 references

ISSN: 1475-2875