Development of a dichotomous indicator for population-level assessment of the dietary diversity of women of reproductive age

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dc.creatorMartin Prével, Y.
dc.creatorArimond, M.
dc.creatorAllemand, P.
dc.creatorWiesmann, D.
dc.creatorBallard, T.J.
dc.creatorDeitchler, M.
dc.creatorDop, M.C.
dc.creatorKennedy, G.
dc.creatorLartey, A.
dc.creatorLee, W.T.K.
dc.creatorMoursi, Mourad
dc.date2017-12
dc.date2018-01-26T11:28:59Z
dc.date2018-01-26T11:28:59Z
dc.date.accessioned2026-06-27T15:10:34Z
dc.descriptionBackground: Dietary diversity is a key element of diet quality but diets of women of reproductive age (WRA; 15-49 y) in resource-poor settings are often deficient in a range of micronutrients. Previous work demonstrated relationships between simple food group diversity indicators (FGI) and micronutrient adequacy among WRA. For operational and advocacy purposes, however, there is strong demand for a dichotomous indicator reflecting an acceptable level of dietary diversity. Objective: To develop a dichotomous indicator of dietary diversity among WRA. Methods: We performed a secondary analysis of 9 data sets containing quantitative dietary data from WRA in resource-poor settings (N total = 4,166). From the raw dietary data we calculated an individual "mean probability of adequacy" (MPA) across 11 micronutrients. Several candidate FGI were constructed. Indicator performance in predicting MPA > 0.60 was assessed within each data set using receiver-operating characteristics (ROC) analysis and sensitivity/specificity analysis at various FGI cut-offs. The analysis was performed separately for non-pregnant and non-lactating (NPNL) and for lactating women. Results: We identified 2 "best candidate" dichotomous indicators based on 9- or 10-point food group scores (FGI-9 and FGI-10) with a cut-off of 5 food groups or more. Both were significantly correlated to MPA in each site (P < 0.001). Areas under the curve (AUC) were moderate, ranging from 0.62 to 0.82 among NPNL women and from 0.56 to 0.90 among lactating women. Comparisons of results slightly favored FGI-10 for all women. Conclusions: When resource-intensive dietary methods are not feasible, a simple dichotomous indicator based on a cut-off of >5 of 10 defined food groups reflects "Minimum dietary diversity for women of reproductive age" (MDD-W). According to the conclusions of a consensus meeting of experts, this indicator is well suited for population-level assessment, advocacy, and maybe also for tracking of change in dietary diversity across time.
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dc.identifierhttps://hdl.handle.net/10568/90591
dc.identifier.urihttp://hdl.handle.net/123456789/96783
dc.languageen
dc.publisherElsevier
dc.rightsOpen Access
dc.sourceMartin-Prevel, Y.; Arimond, M.; Allemand, P.; Wiesmann, D.; Ballard, T.J.; Deitchler, M.; Dop, M.C.; Kennedy, G.; Lartey, A.; Lee, W.T.K.; Moursi, M. (2017) Development of a dichotomous indicator for population-level assessment of the dietary diversity of women of reproductive age. Current Developments in Nutrition 1(12) cdn.117.001701. ISSN: 2475-2991
dc.subjectepidemiology
dc.subjectdiet
dc.subjectassessment
dc.subjectnutrition
dc.subjectdeveloping countries
dc.subjectdiversification
dc.subjectindicators
dc.titleDevelopment of a dichotomous indicator for population-level assessment of the dietary diversity of women of reproductive age
dc.typeJournal Article

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Instituto Internacional de Investigación sobre Políticas Alimentarias (IFPRI)