Table 1.

Comparison of mean number of female and male Anopheles funestus, Anopheles gambiae Complex and Culex species collected indoors and outdoors by aspiration between screened and unscreened houses

Collection location	Category	Mosquito species	Intervention status	Mosquito numbers	Mean (95% CI)	RR (95% CI)	P-value
Indoors	Female	Anopheles funestus	Screened	219	0.47 (0.34–0.60)	0.40 (0.29–0.55)	< 0.001
			Unscreened	593	1.34 (0.94–1.74)	Ref
		Anopheles gambiae	Screened	202	0.43 (0.31–0.56)	0.46 (0.34–0.62)	< 0.001
			Unscreened	403	0.91 (0.72–1.10)	Ref
		Culex species	Screened	4256	9.13 (7.55–10.72)	0.53 (0.45–0.61)	< 0.001
			Unscreened	7128	16.09 (13.80–18.38)	Ref
	Male	Anopheles funestus	Screened	260	0.56 (0.28–0.84)	0.37 (0.26–0.53)	< 0.001
			Unscreened	478	1.08 (0.82–1.34)	Ref
		Anopheles gambiae	Screened	175	0.38 (0.21–0.54)	0.40 (0.28–0.57)	< 0.001
			Unscreened	341	0.77 (0.59–0.95)	Ref
		Culex species	Screened	4573	9.81 (7.67–11.95)	0.36 (0.30–0.43)	< 0.001
			Unscreened	10,265	23.17 (19.70–26.65)	Ref
Outdoors	Female	Anopheles funestus	Screened	123	0.27 (0.18–0.35)	1.08 (0.72–1.63)	0.70
			Unscreened	105	0.24 (0.12–0.37)	Ref
		Anopheles gambiae	Screened	418	0.91 (0.72–1.09)	1.23 (0.94–1.62)	0.13
			Unscreened	347	0.80 (0.58–1.02)	Ref
		Culex species	Screened	1867	4.05 (3.40–4.69)	1.11 (0.90–1.37)	0.33
			Unscreened	1438	3.31 (2.77–3.86)	Ref
	Male	Anopheles funestus	Screened	204	0.44 (0.29–0.60)	1.59 (1.00–2.53)	0.05
			Unscreened	90	0.21 (0.14–0.28)	Ref
		Anopheles gambiae	Screened	308	0.67 (0.51–0.82)	1.09 (0.79–1.51)	0.58
			Unscreened	301	0.69 (0.49–0.89)	Ref
		Culex species	Screened	2196	4.76 (4.00–5.53)	1.10 (0.87–1.39)	0.42
			Unscreened	1712	3.94 (3.26–4.63)	Ref