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. 2012 Jul 31;9:70. doi: 10.1186/1743-7075-9-70

Table 2.

Metabolic syndrome components and prevalence of metabolic syndrome and its risk factors by categories of dietary total antioxidant capacity: Tehran Lipid and Glucose Study¹

  ( n  = 1938)
 Q1   Q2   Q3   Q4   P2 
Total antioxidant capacity
  
  
  
  
  
Range
 < 842
 842-958
 959-1080
 > 1080
  
Median
 764
 906
 1014
 1161
  
Waist circumference (cm)
 90 ± 0.5
 89.0 ± 0.5
 89 ± 0.5
 89 ± 0.5
 0.44
Fasting blood glucose (mg/dl)
 93 ± 1.1
 91 ± 1.1
 91 ± 1.1
 90 ± 1.1
 0.46
Serum triglycerides (mg/dl)
 148 ± 3.7
 142 ± 3.7
 143 ± 3.7
 137 ± 3.7
 0.24
HDL-c (mg/dl)
 42.2 ± 0.4
 41.8 ± 0.4
 42.2 ± 0.4
 42.5 ± 0.4
 0.71
SBP (mmHg)
 112 ± 0.6
 112 ± 0.6
 111 ± 0.6
 111 ± 0.6
 0.75
DBP (mmHg)
 74 ± 0.4
 74 ± 0.4
 73 ± 0.4
 73 ± 0.4
 0.12
Abdominal obesity (%)
 44.2
 43.7
 46.5
 38.8
 0.10
Hypertriglyceridemia (%)
 34.5
 31.8
 30.7
 31.1
 0.57
Low HDL-c (%)
 49.2
 50.9
 51.2
 47.6
 0.65
Hyperglycemia (%)
 22.7
 25.2
 24.1
 28.0
 0.28
Hypertension (%)
 12.6
 17.4
 14.5
 15.5
 0.20
Metabolic syndrome (%) 24.6 27.5 27.4 25.9 0.69

1 Data are age-adjusted mean ± SEM.

2P for trend across quartiles of dietary phytochemical index was calculated using Chi square test or linear regression models with adjustment for sex and age.