Identifying sources of measurement error in assessing dietary intakes – Results of a multi-country ring-trial.

Gavrieli A., Trichopoulou A., Valsta L. M., Ioannidou S., Berry R., Roe M., Harvey L., Finglas P., Glibetic M., Gurinovic M., Naska A.. (2019)

Nutrition, metabolism, and cardiovascular diseases : NMCD, 29, 127-134

Epidemiological investigations include dietary intakes as primary exposures or potential confounders. To reduce bias, data collection protocols include the administration of questionnaires together with measurements of biomarkers. Some error, however, remains and needs to be considered in the analysis and interpretation of results. The European Food Safety Authority supported a ring-trial to compare the precision and reproducibility of dietary assessment methods applied in Europe.

Nutrition, metabolism, and cardiovascular diseases : NMCD, 29, 127-134

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