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Promoting handwashing behavior in Peru : the effect of large-scale mass-media and community level interventions, Volume 1
Author:Galiani, Sebastian; Gertler, Paul; Orsola-Vidal, Alexandra; Country:Peru;
Date Stored:2012/11/14Document Date:2012/11/01
Document Type:Policy Research Working PaperSubTopics:Hygiene Promotion and Social Marketing; Housing & Human Habitats; Health Monitoring & Evaluation; Disease Control & Prevention; Population Policies
Language:EnglishRegion:Latin America & Caribbean
Report Number:WPS6257Collection Title:Policy Research working paper ; no. WPS 6257Impact Evaluation series ; no. IE 74
Volume No:1  

Summary: This paper analyzes a randomized experiment that uses novel strategies to promote handwashing with soap at critical times in Peru. It evaluates a large-scale intervention that includes a mass media provincial campaign and a district-level community component. The analysis finds that the mass media intervention alone had no significant effect on exposure to the handwashing promotion campaign messages, and therefore no effect on handwashing knowledge or handwashing behavior. In contrast, the community-level intervention, a more comprehensive intervention that included several community and school activities in addition to the communications campaign, was successful in reaching the target audience with handwashing promotion messages and in improving the knowledge of the treated population on appropriate handwashing behavior. Those improvements translated into higher self-reported and observed handwashing with soap at critical junctures. However, no significant improvements in the health of children under the age of five were observed. The results are consistent with earlier literature, which indicates that substantively changing behavior to improve health is a complex task requiring intensive and more personalized interventions.

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