Table 2.

Risk factors and their relative importance, grouped by variable types

Variable type	Variable (group)*	Importance (%)
Hydrology and habitat	Distance to lake	24.4
	Distance to river	10.6
	Weighted N. water ponds	9.2
	Weighted N. habitats, dry season	8.6
	Weighted N. habitats, rainy season	6.9
	N. water ponds	3.0
	Subtotal	62.7
Ground and soil property	Ground surface roughness	7.9
	Valley bottom flatness	5.0
	Soil coarse fragments volumetric	2.7
	Soil water capacity	1.7
	Subtotal	17.3
Vegetation coverage	EVI, February	1.2
	EVI, May	3.7
	EVI, December	3.3
	NDVI, April	1.2
	NDVI, May	1.3
	NDVI, September	1.8
	NDVI, October	2.8
	Subtotal	15.3
Others	No. of nets per household	2.6
	Land surface temperature daytime, February	2.2

^*EVI = enhanced vegetation index; NDVI = normalized difference vegetation index.