This Intake survey guidance document discusses key considerations related to the selection, assignment, and use of portion size estimation methods in a quantitative 24-hour dietary recall survey. Portion size estimation methods that are well-suited for a large-scale survey are described; guidance on how to select and assign portion size estimation methods to food items is provided; and key tasks and considerations for operationalizing the portion size estimation methods selected for use in a survey are described. The document is a must-read, key resource for those who are planning a quantitative 24-hour dietary recall survey in a low- or middle-income country context.
Intake’s online resource library has been developed to provide easy access to grey literature and links to peer reviewed journal articles that are relevant to the collection, analysis, and use of dietary data in low- and middle-income countries. The library includes Intake technical reports and briefs, guidance documents, survey planning tools, and videos, as well as access to a curated set of publications and tools authored by others. Users should note that Intake's online resource library is still under development. Once completed, the resource library will be updated periodically.
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