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Table 1 Data sources and properties of environmental and socioeconomic variables explored to model the soil-transmitted helminth infection risk in Côte d’Ivoire

From: Bayesian risk profiling of soil-transmitted helminth infections and estimates of preventive chemotherapy for school-aged children in Côte d'Ivoire

Data type Source Temporal resolution Temporal coverage Spatial resolution
Environmental     
 Day land surface temperature (LST) MODIS/Terraa 8 days 2011 1 km
 Night land surface temperature (LST) MODIS/Terraa 8 days 2011 1 km
 LST difference Derived from LST 8 days 2011 1 km
  (day LST - night LST)    
 Land cover MODIS/Terraa Yearly 2011 1 km
 Normalized difference vegetation index MODIS/Terraa 16 days 2011 1 km
 Rainfall ADDSb 10 days 2011 8 km
 Rainfall coefficient of variation (CV) Derived from rainfall 10 days 2011 1 km
  (standard deviation/mean)    
 Altitude DEMc    1 km
 Soil acidity (pH) WISE3d    10 km
 Soil moisture WISE3d    10 km
 Ecological zone ISODATAe   2000-2008 1 km
Socioeconomic     
 Urban/rural GRUMPf   1995 1 km
 Human influence index (HII) LTWg   2005 1 km
 Improved sanitation/drinking water Bayesian kriging of DHSh, MICSi, and WHSj sanitation data with urban/rural as covariate   1994-2011 1 km
  1. aModerate Resolution Imaging Spectroradiometer (MODIS). Available at: https://lpdaac.usgs.gov/ (accessed: 1 March 2015)
  2. bAfrica Data Dissemination Service (ADDS). Available at: http://earlywarning.usgs.gov/adds/ (accessed: 1 March 2015)
  3. c Digital elevation model (DEM). Available at: http://eros.usgs.gov/ (accessed: 1 March 2015)
  4. dISRIC-WISE database (WISE3). Available at: http://www.isric.org/ (accessed: 1 March 2015)
  5. eCalculated with the Iterative Self-Organizing Data Analysis Technique [41]
  6. fGlobal Rural–urban Mapping Project version 1 (GRUMPv1): Urban Extents Grid. Center for International Earth Science Information Network (CIESIN), International Food Policy Research Institute (IFPRI), The World Bank and Centro Internacional de Agricultura Tropical (CIAT). Available at: http://sedac.ciesin.columbia.edu/data/collection/grump-v1 (accessed: 1 March 2015)
  7. gLast of the Wild Project version 2, 2005 (LWP-2): Global Human Influence Index (HII) dataset (geographic)
  8. Wildlife Conservation Society International Earth (WCS) and Center for International Earth Science Information Network (CIESIN). Available at: http://sedac.ciesin.columbia.edu/data/set/wildareas-v2-human-influence-index-geographic (accessed: 1 March 2015)
  9. hDemographic and Health Surveys. Available at: http://www.measuredhs.com (accessed: 1 March 2015)
  10. iMultiple Indicator Cluster Surveys. Available at: http://www.childinfo.org/mics.html (accessed: 1 March 2015)
  11. jWorld Health Surveys. Available at: http://www.who.int/healthinfo/survey/en/index.html (accessed: 1 March 2015)