Age- and sex-adjusted linear regression analyses demonstrating relationships of bilirubin with thyroid hormones, components of the metabolic syndrome, insulin, insulin resistance and total cholesterol.

HDL, high density lipoprotein; HOMA-IR, homeostasis model assessment-insulin resistance; β, standardized regression coefficient. Bilirubin, TSH, glucose, insulin and HOMA-IR and triglycerides were log transformed.