Analysis of the association between water iodine concentration and TyG-BMI index with thyroid diseases: a cross-sectional study in Shandong province, China (opens in new tab)

BackgroundWater iodine (WI) is a key factor influencing human thyroid function, and the TyG-BMI index, as a new metabolic indicator, can more comprehensively reflect an individual’s metabolic status. This study aims to investigate the correlation between two potential influencing factors with thyroid diseases.MethodsTo explore the associations between WI and TyG-BMI index with thyroid diseases, binary logistic regression analysis, interaction and mediation analyses were adopted to analyze lin...