Author： Stauber Christine E. Kominek Byron Liang Kaida R. Osman Mumuni K. Sobsey Mark D.
Publisher： MDPI
E-ISSN： 1660-4601|9|11|3806-3823
ISSN： 1660-4601
Source： International Journal of Environmental Research and Public Health, Vol.9, Iss.11, 2012-10, pp. : 3806-3823
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Abstract
A randomized controlled trial of the plastic BioSand filter (BSF) was performed in rural communities in Tamale (Ghana) to assess reductions in diarrheal disease and improvements in household drinking water quality. Few studies of household water filters have been performed in this region, where high drinking water turbidity can be a challenge for other household water treatment technologies. During the study, the longitudinal prevalence ratio for diarrhea comparing households that received the plastic BSF to households that did not receive it was 0.40 (95% confidence interval: 0.05, 0.80), suggesting an overall diarrheal disease reduction of 60%. The plastic BSF achieved a geometric mean reduction of 97% and 67% for
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