Multicentre studies of insecticide-treated durable wall lining in Africa and South-East Asia: entomological efficacy and household acceptability during one year of field use

Table 2 Summary of bioefficacy results from Equatorial Guinea and Ghana

Study site	Mosquito species	Wall substrate	Time post-intervention (Months)	Intervention	% Mosquito mortality (Total tested)	Adjusted Odds Ratio^* (95% CI) for DL mosquito mortality relative to IRS	P Value
Equatorial Guinea	An. gambiae s.l.	Wood	3	IRS	96.7 (150)	1
			3	DL	97.3 (150)	1.28 (0.31 – 5.18)	0.733
			6	IRS	82.7 (150)	1
			6	DL	93.3 (150)	3.0 (1.25 – 7.21)	0.014
			12	IRS	11.3 (150)	1
			12	DL	93.3 (150)	119.5 (47.2 – 302. 9)	<0.0001
Ghana	An. gambiae s.s. lab strain	Mud	3	IRS	98.2 (493)	1
			3	DL	99.9 (998)	18.6 (2.23 – 155.4)	0.007
			6	IRS	69.4 (509)	1
			6	DL	99.9 (966)	430.8 (59.6 – 3114.6)	<0.0001
		Concrete	3	IRS	99.8 (486)	1
			3	DL	99.9 (1026)	2.11 (0.13 – 33.8)	0.60
			6	IRS	94.2 (536)	1
			6	DL	98.7 (1017)	24.2 (2.30 – 254.8)	0.008
	An. gambiae s.s. field strain	Mud	3	IRS	90.6 (862)	1
			3	DL	97.9 (1845)	4.93 (3.32 – 7.32)	<0.0001
			6	IRS	59.5 (975)	1
			6	DL	93.3 (1916)	9.52 (7.60 – 11.92)	<0.0001
		Concrete	3	IRS	96.2 (867)	1
			3	DL	96.7 (1809)	1.16 (0.76 – 1.79)	0.50
			6	IRS	85.9 (783)	1
				DL	95.4 (1835)	3.38 (1.61 – 7.08)	0.001