Water, sanitation and children ' s health : evidence from 172 DHS surveys, Vol. 1 of 1

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Water, sanitation and children's health : evidence from 172 DHS surveys

Author:	Gunther, Isabel; Fink, Gunther;	Collection Title:	Policy Research working paper ; no. WPS 5275Paper is funded by the Knowledge for Change Program (KCP)
Country:	World;	Date Stored:	2010/04/19
Document Date:	2010/04/01	Document Type:	Policy Research Working Paper
Language:	English	Rel. Proj ID:	1W-Mdg Country Studies -- -- P089847;
Region:	The World Region	Report Number:	WPS5275
SubTopics:	Urban Water Supply and Sanitation; Hygiene Promotion and Social Marketing; Town Water Supply and Sanitation; Health Monitoring & Evaluation; Population Policies	TF No/Name:	TF055565-KCP; TF057817-KCP - MICRO SIMULATIONS OF POVERTY REDUCTION AND SERVICE DELIVERY IN A
Volume No:	1 of 1

Summary: This paper combines 172 Demography and Health Survey data sets from 70 countries to estimate the effect of water and sanitation on child mortality and morbidity. The results show a robust association between access to water and sanitation technologies and both child morbidity and child mortality. The point estimates imply, depending on the technology level and the sub-region chosen, that water and sanitation infrastructure lowers the odds of children to suffering from diarrhea by 7-17 percent, and reduces the mortality risk for children under the age of five by about 5-20 percent. The effects seem largest for modern sanitation technologies and least significant for basic water supply. The authors also find evidence for the Mills-Reincke Multiplier for both water and sanitation access as well as positive health externalities for sanitation investments. The overall magnitude of the estimated effects appears smaller than coefficients reported in meta-studies based on randomized field trials, suggesting limits to the scalability and sustainability of the health benefits associated with water and sanitation interventions.


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