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Development of a Dichotomous Indicator for Population-Level Assessment of Dietary Diversity in Women of Reproductive Age.

ABSTRACT: Background: Dietary diversity is a key element of diet quality, but diets of women of reproductive age (WRA; aged 15-49 y) in resource-poor settings are often deficient in a range of micronutrients. Previous work showed associations between simple food-group diversity indicators (FGIs) 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: The aim of the study was to develop a dichotomous indicator of dietary diversity in WRA. Methods: We performed a secondary analysis of 9 data sets containing quantitative dietary data from WRA in resource-poor settings (total n = 4166). From the raw dietary data, we calculated an individual "mean probability of adequacy" (MPA) across 11 micronutrients. Several candidate FGIs were constructed. Indicator performance in predicting an MPA >0.60 was assessed within each data set by using receiver-operating characteristic analysis and sensitivity and specificity analysis at various FGI cutoffs. The analysis was performed separately for nonpregnant and nonlactating (NPNL) women and for lactating women. Results: We identified 2 "best candidate" dichotomous indicators on the basis of 9- or 10-point food-group scores (FGI-9 and FGI-10) with a cutoff of ?5 food groups. Both were significantly correlated to MPA in each site (P < 0.001). Areas under the curve 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 cutoff of ?5 of 10 defined food groups reflects "minimum dietary diversity for women of reproductive age." According to the conclusions of a consensus meeting of experts, this indicator is well suited for population-level assessment, advocacy, and possibly also for tracking of change in dietary diversity across time.

SUBMITTER: Women's Dietary Diversity Project (WDDP) Study Group

PROVIDER: S-EPMC5998796 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Development of a Dichotomous Indicator for Population-Level Assessment of Dietary Diversity in Women of Reproductive Age.

Current developments in nutrition 20171102 12

<b>Background:</b> Dietary diversity is a key element of diet quality, but diets of women of reproductive age (WRA; aged 15-49 y) in resource-poor settings are often deficient in a range of micronutrients. Previous work showed associations between simple food-group diversity indicators (FGIs) 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. <b>Objective:</b ...[more]

PMID: 29955691

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Project description:BackgroundWomen of reproductive age are at a higher risk of insufficient micronutrient intake due to their low dietary diversity which has an impact on child growth and development, anemia and low birth weight. However, there are no information from the study area. Hence, the study aimed to assess dietary diversity and associated factors among reproductive-age women in Jeldu District, West Shoa Zone, Oromia Region, Ethiopia, 2018.MethodsA community-based cross-sectional study was undertaken among 634 women of reproductive age. The study participants were recruited using a systematic sampling method. The data were collected using a structured questionnaire based on 24-hour dietary recalls. The data were checked, coded, and entered into EpiData version 3.1 before being exported to SPSS Version 21 for analysis. Descriptive statistics like frequency standard deviation, mean and proportions were computed., both binary and multivariable logistic regressions were run at 95 percent confidence intervals. A P-value of <0.05 was used to declare a statistically significant association between dietary diversity and explanatory variables.ResultsThe proportions of women who consumed greater than or equal to five food groups were 81.9%. Agro-ecological zone of highland (AOR = 7.71: 95% CI: 3.72, 15.99), women who have a radio (AOR; 1.87: 95% CI; 1.17, 2.99) and women's decision-making power to purchase food for household (AOR; 3.93:95% CI; 2.3, 6.71) and having own mobile phone (AOR: 1.92 (1.74, 3.16)) were statistically associated with food dietary diversity.ConclusionThe proportion of women who met the minimal standard for dietary variety requirements was high. The presence of radios, mobile phones, women's purchasing decision power, as well as possessing large cattle, and the agroecological zone of the participants were all important predictors of dietary variety among reproductive-age women. The local media, agriculture office, health office, and women, youth, and children office all need to pay more attention to the determinants of dietary variety in women.

Dataset Information

Development of a Dichotomous Indicator for Population-Level Assessment of Dietary Diversity in Women of Reproductive Age.

Publications

Development of a Dichotomous Indicator for Population-Level Assessment of Dietary Diversity in Women of Reproductive Age.

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