Table 2.

Total and mean marginal number (Estimated by GEE model) of Anopheles funestus collected by level of intervention and type of shade cloth; and the efficacy, expressed in terms of incidence rate ratio (IRR) of mosquito entry in treated houses compared to untreated houses, of the materials against the entry of Anopheles funestus into houses in Furvela village

Factors	Number collected	Mean (95% Wald CI)	IRR (95% Wald CI)	P value
No intervention	3874	28.9 (24.9 – 33.5)	1
Gables	2873	21.9 (19.4 – 24.9)	0.75 (0.62 – 0,91)	0.004
Gable and Eaves	2901	23.4 (19.8 – 27.6)	0.8 (0.64 – 1.01)	0.056
No shadecloth	3372	43.4 (38.0 – 49.6)	1
Zero vector	3476	39.6 (34.0 – 46.0)	0.92 (0.76 – 1.12)	0.40
Maxixe cloth	1220	13.0 (10.7 – 15.7)	0.3 (0.25 – 0.37)	<0.001
Bed net	1580	16.3 (14.4 – 18.4)	0.39 (0.32 – 0.46)	<0.001