Comparison of Methods to Assess Consumption of Micronutrient Powders Among Young Children in Nepal
2017
Ng’eno, Bernadette N. | Perrine, Cria G. | Subedi, Giri Raj | Mebrahtu, Saba | Dahal, Pradiumna | Jefferds, Maria Elena D.
Assessing micronutrient powder (MNP) consumption is the key for monitoring program performance; no gold standard exists for assessing consumption in nutrition programs. To compare estimates of MNP consumption assessed by maternal report versus observed unopened MNP sachets in the household. Cross-sectional household surveys of children aged 6 to 23 months were conducted to assess an MNP project in Nepal; eligible children received 60 sachets per distribution. Mothers reported the number of sachets consumed and showed unused sachets. Directly observed difference (DOD) of MNP consumption was calculated by subtracting the number of observed unopened sachets from 60. Spearman correlation coefficient, categories of MNP consumption, and end digit preference were assessed. A total of 205 mothers did not show remaining unopened sachets despite reporting that all were not consumed. For the remaining 605 children, median consumption was 60.0 sachets by DOD and maternal report; the correlation coefficient was 0.91. With consumption grouped into categories of 0 to 14, 15 to 29, 30 to 44, and 45 to 60 sachets, the percent categorized into the same groupings by DOD and maternal report was 100%, 80.6%, 80.7%, and 91.2%, respectively. Excluding those who consumed 60 sachets, 16.9% and 8.0% by report and 14.2% and 6.1% DOD, ended with 0 and 5, respectively. Had the observation of unused sachets been used alone to assess MNP consumption, 205 children would not have been assessed. Estimates of MNP consumption by DOD and maternal report were similar in this population with high intake adherence.
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