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. 2016 Dec 22;10(12):e0005208. doi: 10.1371/journal.pntd.0005208

Table 9. Categories of sources of uncertainty and papers included in this review grouped into categories.

Categories Uncertainty sources Papers focusing in schistosomiasis Papers focusing on STH TOTAL
Sampling Design Type of survey [97,100,101,125,160] [156] 6
Samples manipulation [138] 1
Sample size [66,7274,80,100,103105,111,125,130132] [86,87,107,109,110,140,156,158] 22
Sample coverage [76,80,93,99,105,111,130,147] [87,88,90,92,107,129,140,159] 16
Logistics [78,81,99,131,133] [86,92] 6
Survey registration method [71,91,103] 3
Adjust for confounders [101] 1
Selection of the measure of risk [125] [140,160] 3
Diagnostic Techniques Sensitivity and specificity of diagnostic methods [65,66,76,78,79,81,9597,101,104106,111,112,130132,138,148,154,155] [86,87,107,108,140,149,157] 29
Spatial support Spatial aggregation and disaggregation [71,76,77,81,95,97,103,106,111,130,131,147,154] [84,85,108,109,156,159] 19
Temporal support Temporal aggregation and disaggregation [73,106] [8486,88,109] 7
Data quality Position accuracy, logical consistency, time accuracy, completeness, attribute accuracy (pre-processing) [16,74,77,79,89,91,93,95,99,106,119] [88,90,129,140] 15
Spatio-temporal misaligned EO data Spatial and temporal misaligned EO data. [103,154] [119,129,140] 5
Selection of environmental and socio-economic variables Environmental: Distance to water bodies, land surface temperature, soil moisture, vegetation cover, Rainfall. [71,76,79,81,94,101,104,111,125,130,131,133,147,150,151,154] [86,87,107,108,140,156] 22
Socio-Economic: poverty, clean water, sanitation and hygiene, urbanization, land use.
Inherent group characteristics Heterogeneity [66,76,94,99,104,148] [107,140,160] 9
Polyparasitism [66,111,112,148] [110,129] 6