GPT and diabetes mellitus: In model 2 and 3, except the variable indicating NAFLD or not, for multivariable adjustment, age and sex were included in model 2 and all the significant variables including age, sex, race and ethnicity, education level, smoking status, daily eating frequency, BMI, diabetes, hypertension, serum uric acid group, ALT, AST, HDL, and serum uric acid value were included in model 3.