Evaluating the cost-effectiveness of preventive zinc supplementation
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CitationFink, Günther, and Jesse Heitner. 2014. “Evaluating the cost-effectiveness of preventive zinc supplementation.” BMC Public Health 14 (1): 852. doi:10.1186/1471-2458-14-852. http://dx.doi.org/10.1186/1471-2458-14-852.
AbstractBackground: Even though the WHO currently recommends zinc for diarrhea management, no consensus has been reached with respect to routine distribution of zinc for preventive reasons. We reviewed the health impact of preventive zinc interventions, and evaluated the relative cost effectiveness of currently feasible interventions. Methods: Using the latest relative risk estimates reported in the literature, we parameterized a health impact model, and calculated the expected benefits of zinc supplementation in a representative low-income country. We then computed the cost and cost-effectiveness for three delivery mechanisms: the direct distribution of zinc supplements, the distribution of micronutrient biscuits including zinc, and the distribution of zinc through water filtration systems. Results: Combining all health outcomes and impact estimates, we find that systematic zinc supplementation among children of ages one to five would avert 1.423 DALYs per 100 households and year in least developed countries. The estimated cost per DALY is US$ 606 for pill supplementation, US$ 1211 for micronutrient biscuits, and US$ 879 per DALY saved for water filtration systems. Conclusions: Preventive zinc supplementation to children of ages 1–5 appears to be a highly cost-effective intervention in typical developing country settings. More research will be needed to determine the most effective mechanism to deliver zinc to this target population.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:12785829
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