Combining organophosphate-treated wall linings and long-lasting insecticidal nets fails to provide additional control over long-lasting insecticidal nets alone against multiple insecticide-resistant Anopheles gambiae in Côte d’Ivoire: an experimental hut trial

Table 2 Efficacy of p-methyl wall lining and net wall hanging against pyrethroid-resistant Anopheles gambiae in Tiassalé, Côte d’Ivoire (single intervention trial)

Hut treatment	Control (untreated WL)	Pyrethroid WL on walls	P-methyl WL on walls	P-methyl NWH on walls	P-methyl WL on walls and ceiling	P-methyl NWH on walls and ceiling
Total females caught	53	114	98	70	54	77
Deterrence (%)	-	0^a	0^a	0^a	0^a	0^a
Total females blood fed	50	95	90	57	47	69
Blood-feeding inhibition (%)	-	12^a	1^a	14^a	7^a	6^a
Personal protection (%)	0^a	0^a	0^a	0^a	6^a	0^a
Exiting rates (%)	45^a	80^b	36^a	44^a	31^a	42^a
Total dead	9	37	65	34	30	53
Corrected mortality	0^a	18^b	59^c	39^d	47^cd	63^c

Values along each row sharing the same letter superscript are not significantly different at the 5% level.

ISSN: 1475-2875