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Nutrition mapping in Tanzania: an exploratory analysis

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  • Simler, Kenneth R.

Abstract

"For effective decisionmaking, policymakers and program managers often need detailed information about the welfare of the population, including knowledge about which specific areas are most affected by poverty and undernutrition. Household sample surveys are an important source of information, yet because the typical sample size is only a few thousand observations, the information is only useful for inferences at high levels of aggregation, such as the nation or large regional units. In contrast, data sources with wider coverage, such as national censuses, rarely capture detailed information on welfare levels. Recently small-area estimation techniques have been applied to the study of poverty to produce estimates of poverty, or poverty maps, for small geographic units. This paper uses household survey and unit record census data from Tanzania to explore the possibility of applying small-area estimation methods to the study of children's nutritional status as measured by anthropometry. Overall, undernutrition models have had lower explanatory power than poverty models, which has important implications for the precision of the small-area estimates. The analysis finds that applying small-area estimation techniques to anthropometric data is feasible, although the relatively low explanatory power of the regressions does limit both the degree of disaggregation possible and the power to detect significant differences in undernutrition prevalence between districts and subdistricts. In the case of Tanzania, the nutrition mapping approach reveals considerable heterogeneity in nutritional status within regions and within districts. The most striking finding is the much lower levels of undernutrition in areas classified as urban, including relatively small district centers." Authors' Abstract

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  • Simler, Kenneth R., 2006. "Nutrition mapping in Tanzania: an exploratory analysis," FCND discussion papers 204, International Food Policy Research Institute (IFPRI).
  • Handle: RePEc:fpr:fcnddp:204
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    Cited by:

    1. Claudio A. Agostini & Philip H. Brown, 2010. "Local Distributional Effects Of Government Cash Transfers In Chile," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 56(2), pages 366-388, June.
    2. Benson, Todd, 2006. "Insights from poverty maps for development and food relief program targeting: an application to Malawi," FCND briefs 205, International Food Policy Research Institute (IFPRI).
    3. Beatrice Lorge Rogers & James Wirth & Kathy Macías & Parke Wilde, 2007. "Mapping Hunder in Panama: A Report on Mapping Malnutrition Prevalence," Working Papers in Food Policy and Nutrition 35, Friedman School of Nutrition Science and Policy.
    4. Modrego, F. & Celis, X. & Berdegué, J., 2008. "Polarización étnica de los ingresos rurales en el sur de Chile," Working papers 015, Rimisp Latin American Center for Rural Development.
    5. Ecker, Olivier & Mabiso, Athur & Kennedy, Adam & Diao, Xinshen 22905, 2011. "Making agriculture pro-nutrition: Opportunities in Tanzania," IFPRI discussion papers 1124, International Food Policy Research Institute (IFPRI).
    6. Beatrice Lorge Rogers & James Wirth & Kathy Macías & Parke Wilde, 2007. "Mapping Hunder: A Report on Mapping Malnutrition Prevalence in the Dominican Republic, Ecuador, and Panama," Working Papers in Food Policy and Nutrition 34, Friedman School of Nutrition Science and Policy.
    7. Beatrice Lorge Rogers & James Wirth & Kathy Macías & Parke Wilde, 2007. "Mapping Hunger in Ecuador: A Report on Mapping Malnutrition Prevalence," Working Papers in Food Policy and Nutrition 9602, Friedman School of Nutrition Science and Policy.

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    Keywords

    Nutrition mapping; malnutrition; Anthropometry; Small area estimation; Tanzania;

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