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Using cost-effectiveness analysis to evaluate targeting strategies: the case of vitamin A supplementation.

Abstract：

:Given the demonstrated efficacy of vitamin A supplements in reducing childhood mortality, health officials now have to decide whether it would be efficient to target the supplements to high risk children. Decisions about targeting are complex because they depend on a number of factors; the degree of clustering of preventable deaths, the cost of the intervention, the side-effects of the intervention, the cost of identifying the high risk group, and the accuracy of the 'diagnosis' of risk. A cost-effectiveness analysis was used in the Philippines to examine whether vitamin A supplements should be given universally to all children 6-59 months, targeted broadly to children suffering from mild, moderate, or severe malnutrition, or targeted narrowly to pre-schoolers with moderate and severe malnutrition. The first year average cost of the universal approach was US$67.21 per death averted compared to $144.12 and $257.20 for the broad and narrow targeting approaches respectively. When subjected to sensitivity analysis the conclusion about the most cost-effective strategy was robust to changes in underlying assumptions such as the efficacy of supplements, clustering of deaths, and toxicity. Targeting vitamin A supplements to high risk children is not an efficient use of resources. Based on the results of this cost-effectiveness analysis and a consideration of alternate strategies, it is apparent that vitamin A, like immunization, should be provided to all pre-schoolers in the developing world. Issues about targeting public health interventions can usefully be addressed by cost-effectiveness analysis. :It has been established that vitamin A supplementation can help reduce levels of child mortality. Findings are reported from a cost-effectiveness study in the Philippines undertaken to determine whether vitamin A supplements should be given universally to all children age 6-59 months; targeted broadly to children with mild, moderate, or severe malnutrition; or targeted narrowly to preschoolers with moderate and severe malnutrition. Whether to target supplementation depends upon the degree of clustering of preventable deaths, the cost of the intervention, the side effects of the intervention, the cost of identifying the high risk group, and the accuracy of the diagnosis of risk. The first year average cost of the universal approach would be US$67.21 per death averted, $144.12 for the broad targeting approach, and $257.20 for the narrow approach. Targeting vitamin A supplements to high-risk children is therefore not an efficient use of resources. Vitamin A, like immunization, should be provided to all preschoolers in the developing world.

journal_name

Health Policy Plan

journal_title

Health policy and planning

authors

Loevinsohn BP,Sutter RW,Costales MO

doi

10.1093/heapol/12.1.29

subject

Has Abstract

pub_date

1997-03-01 00:00:00

pages

29-37

issue

eissn

0268-1080

issn

1460-2237

journal_volume

pub_type

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Using cost-effectiveness analysis to evaluate targeting strategies: the case of vitamin A supplementation.