Association of Sex Hormone-Binding Globulin with Glycated Hemoglobin and Multidimensional Biomarker Structure in Reproductive-Age Women: An Analysis Based on NHANES 2021--2023
Background: Sex hormone-binding globulin (SHBG) is linked to adiposity, insulin resistance and type 2 diabetes, but nationally representative evidence on the shape of the continuous SHBG-HbA1c association in reproductive-age women remains limited. Methods: We analyzed NHANES August 2021-August 2023 data for nonpregnant...