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Table 4 The association of dietary TAC and metabolic syndrome components at baseline (2006–2008): Tehran Lipid and Glucose Study¹

From: Dietary total antioxidant capacity and the occurrence of metabolic syndrome and its components after a 3-year follow-up in adults: Tehran Lipid and Glucose Study

  ( n  = 1938)
   Q1   Q2   Q3   Q4   P  for trend
Total antioxidant capacity      
Range < 16788 16788-22518 22518-29249 > 29249  
Mean 15333 20842 24648 29857  
Waist circumference 0 -1.6 (-2.56, -0.72) -2.22 (-3.14, -1.29) -3.89 (-4.82, -2.95) <0.01
Fasting blood glucose 0 -2.41 (-5.22, 0.40) -2.38 (-5.19, 0.44) -3.02 (-5.87, -0.17) <0.01
Serum triglycerides 0 -9.27 (-19.70, 1.17) -10.54 (-21.0, -0.08) -19.22 (-29.8, -8.64) 0.24
HDL-cholesterol 0 0.28 (-0.96, 1.53) 1.31 (0.06, 2.57) 2.24 (0.97, 3.5) <0.01
Systolic blood pressure 0 -0.17 (-1.74, 1.48) -1.52 (-3.21, 0.39) -2.53 (-4.41, -0.65) <0.01
Diastolic blood pressure 0 -0.01(-1.15, 1.34) -1.23 (-2.45, -0.19) -2.19 (-3.33, -0.97) <0.01
  1. 1Data are β regression and 95 % CI (Linear regression models were used with adjustment for age, sex, body mass index, physical activity, smoking status, energy and macronutrient intakes; Dietary potassium intake (mg/1000 kcal/d) was additionally adjusted for systolic and diastolic blood pressure).