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Table 1 Characteristics of the study subjects

From: The influences of DNA methylation and epigenetic clocks, on metabolic disease, in middle-aged Koreans

 

Control (N = 213)

MetS (N = 136)

p value

Female (%)

108 (62.8)

64 (37.2)

0.579

Chronological age (years)

59.74 (8.21)

62.25 (8.49)

< 0.007

Living area

  

<0.078

 Urban

59

140

 

 Rural

104

46

 

Smoke

  

0.636

 Never smoker

134 (62.9)

83 (61)

 

 Former smoker

37 (17.4)

23 (16.9)

 

 Current smoker

42 (19.7)

30 (22.1)

 

Alcohol

   

 Never drinker

106 (49.8)

62 (45.6)

0.824

 Non-regular

3 (1.4)

10 (7.4)

 

 Regular drinker

104 (48.8)

64 (47.1)

 

Education

  

0.155

 Elementary school or less

22

91

 

 Middle school graduate

13

22

 

 High school or higher

24

27

 

Income (USD)

  

0.011

 < 1000

19

115

 

 1000–2000

29

27

 

 ≥ 2000

114

38

 

Physical activity (MET/day)

90.40 (13.84)

91.49 (13.21)

0.555

 Waist (cm)

80.34 (7.77)

91.99 (6.98)

< 0.001

 Hip (cm)

89.25 (4.92)

94.31 (5.50)

< 0.001

 WHR

0.90 (0.07)

0.98 (0.06)

< 0.001

 BMI (m2/kg)

22.94 (2.81)

26.46 (2.97)

< 0.001

 SBP (mmHg)

117.03 (15.79)

124.18 (14.73)

< 0.001

 DBP (mmHg)

74.79 (9.70)

77.49 (8.69)

0.007

 TG (mg/dl)

109.72 (99.99)

188.90 (154.71)

< 0.001

 Fasting glucose (mg/dl)

109.60 (55.14)

140.54 (54.15)

< 0.001

 HDL (mg/dl)

49.05 (11.45)

37.68 (7.80)

< 0.001

MetS score

   

 0

68 (31.9)

 

< 0.001

 1

68 (31.9)

  

 2

77 (36.2)

  

 3

 

62 (45.6)

 

 4

 

52 (38.2)

 

 5

 

22 (16.2)

 
  1. Data are presented as n (%) for categorical and mean (standard deviation) for continuous variables. USD US dollars, MET metabolic equivalent, WHR waist-hip ratio, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, TG triglyceride, HDL high-density lipoprotein; for MetS score: number of components that meet the NCEP-ATP III criteria