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Table 1 Environmental and demographic predictor variables used in analysis

From: Parasite associations predict infection risk: incorporating co-infections in predictive models for neglected tropical diseases

Predictor variableAnalysis resolutionSource
Net difference vegetation index (NDVI)10 kmMODIS
Net difference water index (NDWI)10 kmMODIS
Land surface temperature (LST)10 kmMODIS
Elevation10 kmAmazon web services
Surface soil moisture10 kmNASA SMAP
Proportion of landcover classified as cropland (Categories 11 and 12)10 kmMODIS
Human population density10 kmFacebook Connectivity Laboratory and CIESIN
Proportion of human settlements classified as rural (Category 1)10 kmGlobal human settlement layer
Proportion of households with electricityDistrictDHS Malaria Indicator Survey
Proportion of households with access to flushable toiletDistrictDHS Malaria Indicator Survey
Proportion of households with access to clean drinking waterDistrictDHS Malaria Indicator Survey
  1. Notes: NDVI, NDWI, LST and surface soil moisture were calculated as post-rainy season averages (December to February). Other predictors included in analysis were the child’s age and sex