Baseline entomologic data on malaria transmission in prelude to an indoor residual spraying intervention in the regions of Alibori and Donga, Northern Benin, West Africa

Salako, Albert S.; Ahogni, Idelphonse; Kpanou, Casimir; Sovi, Arthur; Azondekon, Roseric; Sominahouin, André A.; Tokponnon, Filémon; Gnanguenon, Virgile; Dagnon, Fortuné; Iyikirenga, Laurent; Akogbeto, Martin C.

doi:10.1186/s12936-018-2507-y

Table 5 Monthly variation of EIR per site and per district

From: Baseline entomologic data on malaria transmission in prelude to an indoor residual spraying intervention in the regions of Alibori and Donga, Northern Benin, West Africa

Districts	Sites	May	June	July	August	October	January	February	EIR/night	EIR/month	EIR/year	RR (95% IC)	P (Wald)
Kandi	Sonsoro^a
	HBR/night	0	8.25	13.25	15.75	17.63	0.38	0.38					< 0.0001
	EIR/night	0	0.42	0.68	0.38	2.17	0	0	0.6	18.08	216.96	1
	Kossarou
	HBR/night	0.25	0.13	0.25	1.75	4	0.13	0.25
	EIR/night	0.04	0	0	0	0.65	0.06	0	0.12	3.47	41.7	0.19 [0.17–0.21]
	Total
	HBR/night	0.13	4.19	6.75	8.75	10.81	0.25	0.31
	EIR/night	0.019	0.204	0.336	0.192	1.402	0.021	0	0.358	10.75	128.94
Gogounou	Gounarou^a
	HBR/night	0.75	0.63	3	10.88	14.38	1.75	1					< 0.0001
	EIR/night	0	0.08	0.18	1.17	2.32	0	0.05	0.57	17.2	206.43	1
	Bantansoue
	HBR/night	0	2	6.13	7.13	6.88	2.25	0.88
	EIR/night	0	0.09	0.1	0.2	0.48	0.2	0.03	0.17	5.17	62.05	0.30 [0.28–031]
	Total
	HBR/night	0.38	1.31	4.56	9	10.63	2	0.94
	EIR/night	0	0.08	0.14	0.65	.43	0.11	0.04	0.369	11.06	132.73
Djougou	Barienou^a
	HBR/night	4	5.75	15.88	20	14.38	4.38	9.75					< 0.0001
	EIR/night	1.07	0.4	0.38	2.53	1.59	0.26	0.86	1.003	30.1	361.19	1
	Zountori
	HBR/night	0	0	2.38	6.13	3.75	0.38	0.5
	EIR/night	0	0	0.03	0.085	0.049	0.056	0	0.057	1.72	20.64	0.11 [0.10–0.12]
	Total
	HBR/night	2	2.88	9.13	13.06	9.06	2.38	5.13
	EIR/night	0.54	0.20	0.22	1.52	0.88	0.14	0.43	0.562	16.85	202.17
Copargo	Kataban^a
	HBR/night	1.25	13.75	18.75	27.88	18.5	2.88	3					< 0.0001
	EIR/night	0	0.582	1.095	3.337	1.962	0.246	0	1.027	30.81	369.72	1
	Kparakouna
	HBR/night	0.25	0.38	2.38	5.38	2.5	0.13	1.5
	EIR/night	0	0	0	0.529	0.595	0	0	0.151	4.52	54.24	0.14 [0.13–0.15]
	Total
	HBR/night	0.75	7.06	10.56	16.63	10.50	1.50	2.25
	EIR/night	0	0.28	0.56	1.92	1.24	0.11	0	0.589	17.66	211.91
Urbanization	Rural areas^a
	HBR/night	1.5	7.09	12.72	18.63	16.2	2.34	3.53					< 0.0001
	EIR/night	0.27	0.36	0.57	1.83	2.023	0.119	0.203	0.793	23.79	285.54	1
	Urban area
	HBR/night	0.13	0.63	2.78	5.09	4.28	0.72	0.78
	EIR/night	0.016	0.017	0.043	0.318	0.470	0.063	0.014	0.138	4.15	49.83	0.176 [0.174–0.179]

EIR: entomological inoculation rate; RR: rate ratio; CI: confidence interval of RR; p-Wald: p-value of the significance of the ratio of entomological inoculation rate between the rural and urban areas
^aRural area

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