Objectives: The objective of this study was to determine the association between the consumption of dairy foods with urinary iodine concentration (UIC) and iodine deficiency risk in a nationally representative sample of the US population.
Design, Setting And Participants: 24-hour dietary recall data and laboratory data for UIC (μg/l) from subjects 2+ years old US population participating in National Health and Nutrition Examination Surveys 2001-2018 were used ( 26 838) for analyses after adjusting for demographic covariates. Significant associations were assessed at < 0·05.