Table 2.

The abundance of early and late anopheline larvae within habitats covered with different vegetation types in Fort Ternan, Lunyerere and Nyalenda during the 2 years of weekly sampling

Site	Dominant vegetation cover	Weekly sampling (%)	Early instars (EMM ± SE)	OR	P	Late instars (EMM ± SE)	OR	P
Fort Ternan	None	5.8	0.152 ± 0.047	1		0.096 ± 0.044	1
	Algae	1.3	0.417 ± 0.097	2.181	0.014	0.292 ± 0.091	1.622	0.297*
	Grass	66.5	0.369 ± 0.014	2.075	< 0.001	0.304 ± 0.013	2.500	< 0.001
	Others	26.4	0.433 ± 0.022	2.432	< 0.001	0.306 ± 0.021	2.401	< 0.001
Lunyerere	None	9.5	0.096 ± 0.035	1		0.073 ± 0.034	1
	Algae	3.6	0.233 ± 0.056	2.184	0.008	0.161 ± 0.055	1.985	0.060*
	Agricultural crops	9.5	0.354 ± 0.035	3.214	< 0.001	0.321 ± 0.035	3.861	< 0.001
	Grass	66.4	0.486 ± 0.013	4.369	< 0.001	0.452 ± 0.013	5.436	< 0.001
	Others	0.2	0.683 ± 0.272	6.378	< 0.001	0.346 ± 0.268	3.813	0.142*
	Papyrus reeds	10.9	0.222 ± 0.032	2.018	0.003	0.196 ± 0.032	2.359	0.002
Nyalenda	None	6.5	0.313 ± 0.044	1		0.241 ± 0.040	1
	Algae	3.5	0.610 ± 0.059	2.056	< 0.001	0.350 ± 0.056	1.318	0.208*
	Agricultural crops	3.4	0.544 ± 0.060	1.847	0.001	0.270 ± 0.057	1.038	0.889*
	Grass	62.8	0.614 ± 0.014	2.076	< 0.001	0.326 ± 0.013	1.214	0.207*
	Others	18.4	0.517 ± 0.026	1.746	< 0.001	0.314 ± 0.024	1.159	0.379*
	Papyrus reeds	5.4	0.739 ± 0.048	2.507	< 0.001	0.249 ± 0.046	0.889	0.620*

*No significant difference with plots without vegetation cover. OR = Odds ratio; P = Level of significance; EMM = estimated marginal means; SE = standard error of the mean