Evaluation of DawaPlus 3.0 and DawaPlus 4.0, deltamethrin–PBO combination nets against pyrethroid-resistant Anopheles culicifacies in experimental huts in India

Table 4 Mortality rate of An. culicifacies in treated and untreated arms with the results of negative binomial regression analysis

Experiment arms	Number entered^a	Delayed mortality (%)	Total mortality (%)	Odds ratio	95% CI	p
Untreated polyester net (negative control)	264	0.0	0.0	–	–	–
Unwashed DawaPlus 2.0 (positive control)	17	17.6	17.6	1.00^b	–	–
DawaPlus 2.0 washed 20 times (positive control)	31	25.8	25.8	1.623	0.368–7.159	0.522
Unwashed DawaPlus 3.0	10	50.0	50.0	4.667	0.804–27.077	0.086
DawaPlus 3.0 washed 20 times	19	31.6	31.6	2.154	0.444–10.438	0.341
Unwashed DawaPlus 4.0	12	41.7	41.7	3.333	0.612–18.149	0.164
DawaPlus 4.0 washed 20 times	21	33.3	33.3	2.333	0.499–10.907	0.282

^aOut of the total 42 collections in each arm
^bSince, no mortality was recorded with untreated net (negative control), it was removed from the grouped data. Instead, the positive control, unwashed DawaPlus 2.0 was used as reference category for logistic regression analysis

ISSN: 1475-2875