Development of environmental tools for anopheline larval control

Parasites & Vectors

Table 2 Abundance of early and late instar larvae of anopheline mosquitoes in man-made habitats covered with different plant covers

Early instars						Late instars
Parameter	EMM	95% CI of EMM	Odds ratio	95% CI for Exp (B)	P	EMM	95% CI of EMM	Odds ratio	95% CI for Exp (B)	P
Azolla	0.450	0.064-0.964	0.290	0.144 - 0.584	0.001*	0.236	0.030-0.502	0.264	0.082 - 0.847	0.025*
Arrow roots inside water	1.343	0.829-1.857	0.866	0.491 - 1.526	0.620	0.757	0.491-1.023	0.848	0.535 - 1.343	0.482
Arrow roots on the water banks	1.557	1.043-2.071	1.005	0.619 - 1.631	0.985	0.657	0.391-0.923	0.736	0.446 - 1.216	0.231
Couch grass	1.486	0.972-2.000	0.959	0.595 - 1.545	0.862	0.829	0.563-1.095	0.928	0.599 - 1.437	0.738
Sweet potato outside	1.757	1.243-2.271	1.134	0.711 - 1.808	0.599	0.786	0.520-1.052	0.880	0.561 - 1.381	0.576
Control	1.550	1.036-2.064	1			0.893	0.627-1.159	1

* shows larval densities that are significantly different from the control. EMM = estimated marginal mean CI = confidence interval; P = significance level at 95%.

ISSN: 1756-3305