AVP and Abdominal obesity: Increasing copeptin tertile was after adjustment for age, gender, and ethnicity significantly associated with elevated HbA1c, insulin, HOMA-IR, BMI, overweight, obesity, abdominal obesity, waist circumference, and decreased HDL, whereas the association between copeptin and fasting glucose and GGT, respectively, did not remain significant after multivariate adjustment (Table 2).