INS and Hypertension: Age , sex, BMI, waist circumference, serum sodium, creatinine, physical activity, family history of DM, presence of hypertension, systolic blood pressure, use of diuretics, fasting glucose and insulin, and income. + total calorie intake, dietary fat intake, saturated fat intake, fiber intake, and dietary sodium intake, total fruit and vegetable intake. (for dietary K+) + urinary spot creatinine, urinary spot creatinine, aldosterone (for Urinary K+ )