Association of Urinary Iodine Concentration With Cognitive Function Among Older Adults: NHANES 2011-2014.

ABSTRACT: The purpose of this study is to investigate the relationship between urinary iodine concentrations (UIC) and cognitive function among elderly individuals in certain regions of the United States, addressing a significant gap in the existing literature regarding urinary iodine and cognitive decline in older populations. UIC and cognitive function assessments of participants in the National Health and Nutrition Examination Survey were selected for the 2011-2014 cycle. Cognitive function assessments included: (1) a word learning and recall module from the Coalition to Establish a Registry for Alzheimer's Disease (CERAD); (2) an animal fluency test; and (3) the Digit Symbol Substitution Test (DSST). Based on the average z-scores of three cognitive tests, participants were classified into low co

SUBMITTER: Sun Z 

PROVIDER: S-EPMC12406079 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature