Feature importances are as follows: age, 1.00; diastolic blood pressure, 0.93; BMI, 0.75; systolic blood pressure, 0.58; fasting blood glucose, 0.35; γ-GTP, 0.24; serum total cholesterol, 0.18; ALT, 0.10; AST, 0.097; history of diabetes mellitus, 0.087; household income, 0.77; hemoglobin, 0.025; sex, 0.021; history of stroke, 0.014; physical activity, 0.010; alcohol intake per week, 0.0077; region of residence, 0.0065; and smoking, 0.0055. The gene discussed is GPT; the disease is diabetes mellitus.