The association between obesity and/or abdominal obesity and diabetes (total or previously undiagnosed) or IFG.

1Age, sex, cigarette smoking, alcohol drinking, antihypertensive treatment status, hypertension grades, heart rate, MTHFR C677T polymorphism, geographic region, standard of living, education level, physical activity level and family history of hypertension, diabetes, CHD or stroke were also adjusted in the models. 2Obesity was defined as a BMI of ≥25kg/m2. 3Abdominal obesity was defined as a waist circumference ≥90 cm for men and ≥80 cm for women.