Food consumption data reflect what either individuals or groups consume in terms of solid foods, beverages (including drinking water), and supplements. Food consumption can be estimated through food consumption surveys (FCSs) at an individual or household level, or approximated through food production statistics (FPSs). FCSs include records/diaries, food frequency questionnaires (FFQs), dietary recall, and total diet surveys. The quality of the food consumption survey data depend on the survey design, the methodology and tools used, the motivation and memory of the respondents, the statistical treatment, and the presentation (foods as purchased versus as consumed) of the data. FPSs, by definition, represent foods available for consumption for the whole population, typically in the raw form as produced.
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