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Table 2 General characteristics study participants according to quartiles(Q) of DTAC

From: Association between dietary antioxidant capacity and type 2 diabetes mellitus in Chinese adults: a population-based cross-sectional study

Characteristics

Q1

(< 1.34)

(n = 3 131)

Q2

(1.34–2.43)

(n = 3 096)

Q3

(2.43–4.06)

(n = 3 125)

Q4

(> 4.06)

(n = 3 115)

P-value

Age (years)

57.04 ± 10.13

58.01 ± 9.66

56.37 ± 9.82

56.05 ± 10.00

< 0.001

Sex

    

< 0.001

 Male

1084(34.6)

1309(42.3)

1246(39.9)

1322(42.4)

 Female

2047(65.4)

1787(57.7)

1879(60.1)

1793(57.6)

Smoking

    

0.002

 Yes

450(14.4)

536(17.3)

452(14.5)

454(14.6)

 No

2681(85.6)

2560(82.7)

2673(85.5)

2661(85.4)

Alcohol consumption

    

< 0.001

 Yes

1078(34.4)

858(27.7)

525(16.8)

512(16.4)

 No

2053(65.6)

2238(72.3)

2600(83.2)

2603(83.6)

Educational level

    

< 0.001

 Primary school or below

2137(68.3)

2221(71.7)

2093(67.0)

2061(66.1)

 Middle school

980(31.3)

865(28.0)

1011(32.3)

1030(33.1)

 College or higher

14(0.4)

10(0.3)

21(0.7)

24(0.8)

Physical activity

    

< 0.001

 Low

1156(36.9)

795(25.7)

757(24.2)

1196(38.4)

 Moderate

1716(54.8)

1907(61.6)

1739(55.7)

1225(39.3)

 High

259(8.3)

394(12.7)

629(20.1)

694(22.3)

WC (cm)

86.78 ± 9.85

87.05 ± 9.86

87.35 ± 9.80

87.20 ± 9.74

0.126

BMI (kg/m2)

25.02 ± 3.44

24.89 ± 3.41

24.96 ± 3.47

24.91 ± 3.41

0.455

SBP (mmHg)

136.04 ± 19.74

137.98 ± 20.14

135.68 ± 19.73

130.97 ± 17.96

< 0.001

DBP (mmHg)

84.33 ± 12.89

83.59 ± 12.76

83.26 ± 12.78

81.38 ± 11.96

< 0.001

FBG (mmol/L)

5.54 ± 1.91

5.81 ± 1.99

5.75 ± 1.69

5.61 ± 2.11

< 0.001

TC (mmol/L)

4.94 ± 0.97

4.88 ± 1.06

4.81 ± 0.99

4.78 ± 1.78

< 0.001

TG (mmol/L)

1.68 ± 1.06

1.68 ± 1.19

1.70 ± 1.15

1.79 ± 1.28

0.001

HDL-C (mmol/L)

1.34 ± 0.32

1.38 ± 0.34

1.37 ± 0.34

1.32 ± 0.54

< 0.001

LDL-C (mmol/L)

2.68 ± 1.64

2.83 ± 0.80

2.95 ± 0.89

2.97 ± 0.98

< 0.001

Hypertension

    

< 0.001

 Yes

1624(51.9)

1669(53.9)

1582(50.6)

1243(39.9)

 No

1507(48.1)

1427(46.1)

1543(49.4)

1872(60.1)

T2DM

    

< 0.001

 Yes

255(8.1)

384(12.4)

352(11.3)

247(7.9)

 No

2876(91.9)

2712(87.6)

2773(88.7)

2868(92.1)

  1. Data are presented as mean ± SD or n (%) as indicated
  2. WC waist circumference, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, FBG fasting blood glucose, TC total cholesterol, TG triglyceride, HDL-C high-density lipoprotein-cholesterol, LDL-C low-density lipoprotein-cholesterol