Abstract
Purpose
This study aimed to assess the agreement in EBF between maternal recall and the dose-to-mother (DTM) technique.
Methods
Indonesia, Malaysia, Mongolia, Pakistan, Sri Lanka, Thailand, and Vietnam participated in the study. A total of 207 and 118 mother-infant pairs were assessed at 3 and 6 months of child’s age. Using a standardized questionnaire, mothers were asked to recall child feeding during the previous 24 h, at 3 and 6 months. Those recalled to be EBF proceeded to be assessed using DTM technique. Non-milk oral intake (NMOI) cutoff of 86.6 g/d was used to classify EBF.
Results
According to DTM, 66% of infants were EBF at 3 months, while only 22% were EBF at 6 months. At 3 months, the overall % agreement between maternal recall and DTM method was 68%, kappa 0.06 (95% CI: 0.07–0.20), and at 6 months, the % agreement was only 21%, kappa -0.031 (95% CI -0.168 to 0.107). Human milk intakes were similar at 3 months and 6 months when expressed as g/d, but decreased when expressed as g/kg/d, with a large variation within and between countries; Pakistan being the lowest.
Conclusion
This study showed there were declining levels of EBF from 3 to 6 months in the participating countries from Asia and the agreement between maternal recall and DTM technique to classify EBF was low. To ensure that the DTM technique can be more widely used in evaluating breastfeeding promotion programs, consensus on the appropriate NMOI cutoff and simplification of the DTM protocol is necessary.
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Data availability
Data generated from this study are deposited at the IAEA repository on human milk intakes and can be available upon request.
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Acknowledgements
We would like to express gratitude to the International Atomic Energy Agency (IAEA) for providing technical support (Technical Cooperation RAS6073) and supplies for the study. This work was also supported, in part, by the national funding for participating countries. IAEA participated in the design, management, analysis, interpretation, preparation, review, and approval of the manuscript.
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PW, TP, CS, AJMA conceived the study and led the planning of the study protocol with inputs from country authors and MI; TP, TF, EW, NK, EP, TA, AY, MH, KJ, NTT, HVTT conducted field data, sample collection, and sample analysis; TT performed statistical analysis; PW drafted the first draft of the manuscript with inputs and approval of final manuscript from all authors.
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Pattanee Winichagoon, Tippawan Pongcharoen, Tetra Fadjarwati, Ermin Winarno, Norima A Karim, Enkhzul Purevsuren, Tanvir Ahmad, Ayesha Yameen, Manjula Hettiarachchi, Kunchit Judprasong, Nga Tran Thuy, Hien Vu Thi Thu, Munirul Islam, Christine Slater, Tinku Thomas, and Alexia J Murphy-Alford, confirmed no conflicts of interest.
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This study was conducted according to the guidelines laid down in the Declaration of Helsinki. The approval for the study in the country was obtained from the Ethical Review Committee in each country by the respective lead authors and other administrative approvals were also their responsibility.
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Winichagoon, P., Pongcharoen, T., Fadjarwati, T. et al. Discordance in exclusive breastfeeding between maternal recall and deuterium dose-to-mother technique during the first 6 months of infants: A multi-country study in Asia. Eur J Clin Nutr 78, 135–140 (2024). https://doi.org/10.1038/s41430-023-01353-0
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DOI: https://doi.org/10.1038/s41430-023-01353-0