Safe water storage and hand hygiene have been shown to reduce fecal contamination and improve health in experimental settings; however, triggering and sustaining such behaviors is challenging. This study investigates the extent to which personalized information about Escherichia coli contamination of stored water and hands influenced knowledge, reported behaviors, and subsequent contamination levels among 334 households with less than 5 year old children in peri urban Dar es Salaam, Tanzania. One quarter of the study participants received information about strategies to reduce risk of water and sanitation related illness. Respondents in another three study cohorts received this same information, along with their household apos;s water and or hand rinse test results. Findings from this study suggest that additional work is needed to elucidate the conditions under which such testing represents a cost effective strategy to motivate improved household water management and hand hygiene.
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