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Table 2 General characteristics of the study population, categorized by abdominal obesity

From: The nutrigenetic influence of the interaction between dietary vitamin E and TXN and COMT gene polymorphisms on waist circumference: a case control study

Variables

Non-AO (n = 492)

AO (n = 246)

p value

Age (years)

61 (17)

61 (17)

0.972

Gender (M/F)

260/232

130/116

1.000

Education level (<high school (%))

291 (59 %)

164 (67 %)

0.045

BMI (kg/m2)

26 (3)

30 (3)

<0.001

WC (cm)

87 (10)

103 (9)

<0.001

Hip (cm)

101 (6)

109 (8)

<0.001

WHR

0.86 (0.09)

0.95 (0.09)

<0.001

Hypertension (%)

190 (39 %)

128 (52 %)

<0.001

Glucose (mg/dl)

91 (13)

95 (16)

<0.001

Total cholesterol (mg/dl)

205 (35)

204 (39)

0.763

HDL-cholesterol (mg/dl)

52 (14)

46 (12)

<0.001

Triglycerides (mg/dl)

168 (82)

207 (89)

<0.001

Dyslipidemia (%)

82 (17 %)

52 (21 %)

0.084

Diabetes (%)

40 (8 %)

29 (12 %)

0.110

Metabolic syndrome (%)

112 (23 %)

195 (79 %)

<0.001

Smokers (%)

96 (20 %)

51 (21 %)

0.386

Alcohol consumption (g/day)

6.4 (8.6)

9.7 (13.1)

<0.001

8-OXO-DG

3.1 (1.6)

3.4 (1.7)

0.016

MDA (μmol/mg protein)

0.59 (0.54)

0.64 (0.61)

0.289

GSH/GSSG

4.4 (2.5)

4.2 (2.6)

0.334

Vitamin A intake (µg/day)

887 (519)

772 (504)

0.009

Vitamin C intake (mg/day)

225 (137)

207 (138)

0.108

Vitamin E intake (mg/day)

10.0 (4.6)

8.7 (4.4)

<0.001

  1. Data are mean (±SD). Education level was grouped into two categories for the analysis as less than high school (<high school) and greater than or equal high school. The value of 8-OXO-DG was expressed as the number of oxidized bases/106 deoxyguanosine. P values denote differences between non-AO group and AO group
  2. Non-AO non-abdominal obesity group, AO abdominal obesity group, BMI body mass index, WC waist circumference, WHR waist hip ratio, SBP systolic blood pressure, DBP diastolic blood pressure, HDL high-density lipoprotein, 8-OXO-DG 8-oxo-deoxyguanosine, MDA malondialdehyde, GSH/GSSG ratio between reduced and oxidized glutathione