A multi-criteria decision analysis approach to assessing malaria risk in northern South America

BMC Public Health

Table 2 Factor groupings and weights used for risk maps

Factor	Factor groupings	Factor weight
Factor	Factor groupings	AHP^a	Equal^b	Access related^c	Environment/Climate related^d
Distance from deforested patches	Access	0.0996	~0.11	0.14	0.06
Population density		0.0593
Distance from roads		0.0379
Distance from urban areas		0.0420
Distance from wetlands		0.1391
Elevation	Environmental/Climatic	0.1680		0.075	0.175
Precipitation		0.1784
Temperature		0.2006
TWI		0.0751

^aFactors weighed based on ecological relationship with mosquitoes and malaria
^bNo difference in weighting
^cAccess more important (group weight sum up to 0.70)
^dEnvironment/Climate related factors more important (group weight sum up to 0.70)
TWI Topographic Wetness Index

ISSN: 1471-2458