GSTM1 and hypertensive disorder: The VIF values of age, sex, race/ethnicity, education level, family PIR, marital status, the complication of hypertension and DM, SBP, DBP, BMI, waist circumference, PA, mean energy intake, Hb, fast glucose, BUN, UA, Scr, TC, TG, and HDL-C were 1.431, 1.449, 1.322, 1.142, 1.095, 1.165, 1.235, 1.199, 1.284, 1.652, 1.164, 1.261, 1.227, 1.210, 2.678, 2.716, 1.014, 1.284, 1.145, 1.236, 1.619, 1.209, 1.448, 1.212, 1.275, and 1.363, respectively.