Table 2. Characteristics of first-degree relatives of patients with type 2 diabetes according to FINDRISC quartiles in the Isfahan Diabetes Prevention Study.

Legend: Data are mean (SD) or number (%). FINDRISC values at baseline. 1^st quartile: ≤8.0; 2^nd quartile: 8.1-11.0; 3^rd quartile: 11.1-14.0; 4^th quartile: 14.1-23.0. * p < 0.001, comparison across all four groups. Difference in the mean value of variables compared to the 1 1^st quartile and 2 2^nd quartile. Abbreviations: BMI – body mass index, BP – blood pressure, CI – confidence interval, FG – fasting glucose, PG – plasma glucose, FINDRISC – Finnish Diabetes Risk Score, HDL – high-density lipoprotein, LDL – low-density lipoprotein, IFG – impaired fasting glucose, IGT – impaired glucose tolerance, NGT – normal glucose tolerance, TC – total cholesterol.