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Evaluation of the impact of the plastic BioSand filter on health and drinking water quality in rural Tamale, Ghana.
Testagen (KEDG) · International journal of environmental research and public health · 2012 · RCT
The plastic BioSand filter may significantly reduce diarrheal disease and improve drinking water quality in rural Ghana, with reported reductions of 59% in diarrhea prevalence and 97% in E. coli levels.
Longitudinal prevalence ratio for diarrhea was 0.41 (95% CI: 0.18, 0.92).