GSTM1 and metabolic syndrome: For predictive models, sex, SES (residential area, insurance type, and income level), anthropometric data (BMI, systolic and diastolic blood pressure), laboratory data (fasting glucose, total cholesterol, and Hb), lifestyle factors (smoking, alcohol consumption, and PA), and 22 comorbidities (such as hypertension, dyslipidemia, and diabetes mellitus) were evaluated (Table 1).