The Swedish born population had a slightly higher concentration of ln-transformed copeptin compared to the Iraqi born population (Table 1), This difference was still evident after adjustment for age and sex (p < 0.001) and remained significant after further adjustment for cardiometabolic risk markers that differed between country of birth in Table 1 (p < 0.001), i.e. high density lipoprotein (HDL), low density lipoprotein(LDL), p-TG, BMI, waist circumference, prevalent diabetes, prevalent hypertension, alcohol intake, physical activity and socioeconomic status. This evidence concerns the gene AVP and diabetes mellitus.