Field efficacy of pyrethroid treated plastic sheeting (durable lining) in combination with long lasting insecticidal nets against malaria vectors

Table 1 Summary of results obtained for An. gambiae (n = 80 nights) in the experimental huts.

Hut Treatment	Control	Holed Olyset	ITPS	ITPS + holed Olyset	ITPS + intact untreated net	ITPS + holed untreated net
Total females caught	422 ^ab	246 ^a	443 ^b	211 ^a	315 ^ab	309 ^ab
females caught/night	5.3	3.1	5.5	2.6	3.9	3.9
Deterrence (%)	-	41.7	-5.0	50.0	25.4	26.8
Total females in verandah trap	133	189	352	167	248	221
Exophily (%)	31.5^a	76.8^bc	79.5^c	79.1^bc	78.7^bc	71.5^b
95% Confidence limits	27.3-36.1	71.1-81.7	75.4-83	73.1-84.1	73.9-82.9	66.2-76.3
Total females blood fed	398	43	335	49	89	127
Blood fed (%)	94.3^a	17.5^b	75.6^c	23.2^bd	28.3^d	41.1^e
95% Confidence limits	91.7-96.2	13.2-22.7	71.4-79.4	18-29.4	23.6-33.5	35.7-46.7
Blood feeding inhibition (%)	-	81.5	19.8	75.4	70.0	56.4
Personal protection (%)	-	89.2	15.8	87.7	77.6	68.1
Total females dead	22	156	164	131	170	103
Overall mortality (%)	5.2^a	63.4^b	37.0^c	62.1^bd	54.0^d	33.3^c
95% Confidence limits	3.5-7.8	57.2-69.2	32.6-41.6	55.4-68.4	48.4-59.4	27.1-37.4
Corrected for control (%)	-	61.4	33.6	60.0	51.4	29.7
Overall insecticidal effect (%)	-	33.5	35.5	27.3	37.0	20.3

Numbers in the same row sharing a letter superscript do not differ significantly (P ≥ 0.05)

ISSN: 1756-3305