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Background. Since fortification of sugar with vitamin A was mandated in 1998, Zambia's fortification program has not changed, while the country remains plagued by high rates of micronutrient deficiencies. Objective. To provide evidence-based fortification options with
the hope of reinvigorating the Zambian fortification program. Methods. Zambia's 2006 Living Conditions Monitoring Survey is used to estimate the apparent intakes of vitamin A, iron, and zinc, as well as the apparent consumption levels and coverage of four fortification vehicles.
Fourteen alternative food fortification portfolios are modeled, and their costs, impacts, average cost-effectiveness, and incremental cost-effectiveness are calculated using three alternative impact measures. Results. Alternative impact measures result in different rank orderings
of the portfolios. The most cost-effective portfolio is vegetable oil, which has a cost per disability-adjusted life-year (DALY) saved ranging from 12% to 25% of that of sugar, depending on the impact measure used. The public health impact of fortified vegetable oil, however, is relatively
modest. Additional criteria beyond cost-effectiveness are introduced and used to rank order the portfolios. The size of the public health impact, the total cost, and the incremental cost-effectiveness of phasing in multiple vehicle portfolios over time are analyzed. Conclusions.
Assessing fortification portfolios by measuring changes in the prevalence of inadequate intakes underestimates impact. A more sensitive measure, which also takes into account change in the Estimated Average Requirement (EAR) gap, is provided by a dose–response-based approach to estimating
the number of DALYs saved. There exist highly cost-effective fortification intervention portfolios with substantial public health impacts and variable price tags that could help improve Zambians' nutrition status.
Established in 1978, the Food and Nutrition Bulletin (FNB) is a peer-reviewed journal published quarterly by the Nevin Scrimshaw International Nutrition Foundation. The focus of the journal is to highlight original scientific articles on nutrition research, policy analyses, and state-of-the-art summaries relating to multidisciplinary efforts to alleviate the problems of hunger and malnutrition in the developing world.
Food and Nutrition Bulletin's 2012 Impact Factor: 2.106