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The effect of piped water on early childhood mortality in urban Brazil, 1970-1976 (Английский)

This paper utilizes data on the ratio of surviving children and other variables for a sub-sample of mothers aged 20-29 to analyze the impact of increased access to piped water in urban households on trends and income class differentials in child mortality. Path analytic regression techniques are used to test a recursive model linking the supply and demand for piped water to selected household and community level variables, and to examine their joint effect on child mortality. The analysis shows that increased maternal education accounted for a larger share of the mortality decline between 1970 and 1976 than any other single factor. Increased access to piped water did contribute, and also helped reduce the mortality differential between lower and higher income and education classes. Obviously, piped water is a costly intervention; an analysis of the relative cost-effectiveness, e.g. piped water vs. female education, requires that their costs be estimated and matched to these estimates of relative effectiveness.

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