Journal
JOURNAL OF NUTRITION
Volume 140, Issue 12, Pages 2233-2240Publisher
OXFORD UNIV PRESS
DOI: 10.3945/jn.110.125716
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Funding
- Permanent Inter State Committee
- Embassy of France in Burkina Faso (French Ministry of Foreign Affairs Paris)
- Institut de Recherche pour le Developpement (France)
- Pierre and Marie Curie University (UPMC Paris VI France)
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The number of urban poor is increasing quickly in West Africa yet food security early warning systems still do not include urban areas One reason is the lack of appropriate and internationally agreed-upon indicators to measure urban household food insecurity Our objective was to assess the performance of the household food insecurity access scale (HFIAS) and an index-member s dietary diversity score (IDDS) to approximate the adequacy of urban households diets A survey was performed on a random cluster sample of 1056 households in Ouagadougou Burkina Faso Data on HFIAS and IDDS and 2 nonconsecutive household quantitative 24-h recalls were collected twice in June-July and in November-December 2007 Diet adequacy was assessed through the household s mean adequacy ratio (MAR) using energy and 11 micronutrients Structural equation modeling was used to quantify the association of each candidate indicator with the MAR and receiver-operating characteristic (ROC) analyses were performed to assess their targeting performance in predicting low or high MAR HFIAS was negatively associated with the MAR (path coefficient (131 = -7 95 x 10(-3) +/- 1 45 x 10(-3) P < 0 0011 whereas IDDS was positively associated with it (P = 5 19 X 10(-2) 1 27 X 10(-2) P <0 001) Areas under the ROC curves ranged from 0 585 to 0 661 for HFIAS and from 0 536 to 0 629 for IDDS In conclusion HFIAS and IDDS performed well in approximating adequacy of urban households diets They are informative indicators about urban food insecurity promising for evaluation and monitoring but not for household targeting given their insufficient predictive power J Nutr 140 2233-2240 2010
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