Global assessment of exposure to faecal contamination through drinking water based on a systematic review.
Bottom Line: Predictive models for the presence and level of contamination of drinking water sources were developed using random effects logistic regression and selected covariates.Drinking water is found to be more often contaminated in rural areas (41%, CI: 31%-51%) than in urban areas (12%, CI: 8-18%), and contamination is most prevalent in Africa (53%, CI: 42%-63%) and South-East Asia (35%, CI: 24%-45%).Global burden of disease estimates may have substantially understated the disease burden associated with inadequate water services.
Affiliation: The Water Institute, University of North Carolina, Chapel Hill, NC, USA.Show MeSH
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Mentions: By combining the water quality data (Table 5) and coverage data (Table 2), we estimate exposure to faecal contamination by region and globally in Figure 3. Corresponding estimates for moderate to high levels of E. coli or TTC (>10 FIB per 100 ml) were determined using the relationship between presence and level of FIB illustrated in Figure 2.
Affiliation: The Water Institute, University of North Carolina, Chapel Hill, NC, USA.