Association between obesity and sodium excretion quartiles according to age.

Obesity was defined as a BMI ≥25 kg/m². Risks of obesity was adjusted by age, gender, systolic blood pressure, glucose, hemoglobin, estimated glomerular filtration rate, triglyceride, high density lipoprotein, aspartate aminotransferase, alanine aminotransferase, energy intake, diabetes mellitus, myocardial infarction, angina, stroke, malignancy, current smoker, and alcohol. a. Adjusted risks of obesity according to sodium excretion in age group 20–39 years. b. Adjusted risks of obesity according to sodium excretion in age group 40–64 years. c. Adjusted risks of obesity according to sodium excretion in age group 65–74 years. d. Adjusted risks of obesity according to sodium excretion in age group ≥ 75 years.