Decreased proportions of indoor feeding and endophily in Anopheles gambiae s.l. populations following the indoor residual spraying and insecticide-treated net interventions in Benin (West Africa)

Table 4 Mortality rate of Anopheles gambiae s.l. observed before and after IRS and LLITN interventions in districts of Adjohoun, Dangbo, Misserete and Seme

Districts	Before intervention (May-July 2008)				After intervention (May-July 2009)
	Number of females caught	Number of dead mosquitoes	Mortality rate		Number of females caught	Number of dead mosquitoes	Mortality rate
			Mean	Confidence Interval			Mean	Confidence interval
IRS arm
Adjohoun	84	2	2.3 ^a	[0.29-8.34]	32	12	37.5 ^b	[21.10-56.31]
Dangbo	84	1	1.04 ^a	[0.03-6.46]	48	31	64.58 ^b	[49.45-77.84]
Misserete ₁	84	1	1.11 ^a	[0.03-6.46]	5	4	80 ^b	[28.36-99.50]
Misserete ₂	288	0	0 ^a	[0.00-1.27]	4	3	75 ^b	[19.41-99.37]
Seme	388	0	0 ^a	[0.00-0.95]	0	-	-	-
Akron Control	88	1	0.83 ^a	[0.03-6.17]	132	0	0 ^a	[0.00-2.76]
LLITN arm
Adjohoun	91	0	0 ^a	[0.00-3.98]	72	6	9.72 ^b	[3.12-17.26]
Dangbo	82	0	0 ^a	[0.00-4.40]	100	23	25.69 ^b	[15.17-32.49]
Seme	90	1	0.16 ^a	[0.03-6.04]	216	30	14.13 ^b	[09.57-19.23]
Akron Control	404	0	0 ^a	[0.00-0.91]	384	0	0 ^a	[0.00-0.96]

For the mean of each district, values of the same line which carry same letters in exposant were not significantly different (p > 0.05).

ISSN: 1756-3305