Intensity of pyrethroid resistance in Anopheles gambiae before and after a mass distribution of insecticide-treated nets in Kinshasa and in 11 provinces of the Democratic Republic of Congo

Table 1 Odds ratios and p-values for permethrin and deltamethrin susceptibility bioassays conducted in and around Kinshasa, DRC, taking into account dose, site, evaluation period, and the change in the distribution site relative to the control site

	Permethrin		Deltamethrin
	Odds ratio	p-value	Odds ratio	p-value
Dose
1×	Reference		Reference
2×	3.44	< 0.001	2.49	< 0.001
5×	13.61	< 0.001	10.48	< 0.001
10×	79.97	< 0.001	Undefined	< 0.001
Site
Kasangulu	Reference		Reference
Bu	0.23	0.003	2.27	0.010
Kimpoko	0.47	0.045	0.42	0.008
Kingasani	1.62	0.153	5.75	< 0.001
Kinkole	0.02	< 0.001	0.07	< 0.001
Evaluation period
Pre-distribution	Reference		Reference
Post-distribution	0.49	< 0.001	1.09	0.568
Change in distribution site relative to the control site (Kasangulu)
Bu	0.70	0.099	0.66	0.072
Kimpoko	0.95	0.791	2.57	< 0.001
Kingasani	0.11	< 0.001	0.21	< 0.001
Kinkole	11.49	< 0.001	22.00	< 0.001

ISSN: 1475-2875