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Table 1 Baseline characteristics across the intervention groups stratified by sexa

From: The effect of polyphenols on DNA methylation-assessed biological age attenuation: the DIRECT PLUS randomized controlled trial

 

Men (N = 228)

Women (N = 28)

HDG (N = 78)

MED (N = 72)

Green-MED (N = 78)

p between*

HDG (N = 10)

MED (N = 9)

Green-MED (N = 9)

p between*

Aging measurements

 Age, years

51.0 (10.3)

51.2 (10.0)

51.0 (11.1)

0.95

55.3 (10.8)

56.0 (13.2)

49.1 (10.1)

0.43

 First generation clocks

  Li mAge, years

64.4 (8.6)

63.5 (8.4)

63.9 (9.1)

0.72

63.7 (7.8)

69.1 (12.4)

64.6 (8.7)

0.63

  Horvath mAge, years

59.3 (9.5)

58.5 (8.3)

58.3 (9.5)

0.57

61.5 (9.8)

61.9 (12.0)

55.6 (7.1)

0.32

  Hannum mAge, years

66.9 (9.2)

65.4 (8.8)

65.8 (9.6)

0.64

66.7 (8.2)

69.5 (12.4)

63.1 (8.2)

0.51

  Horvath skin and blood mAge, years

62.4 (9.4)

61.5 (8.7)

61.4 (9.9)

0.63

66.0 (8.9)

64.5 (12.1)

61.5 (9.32)

0.39

 Second-generation clocks

  Levine PhenoAge, years

43.3 (9.0)

41.7 (9.2)

42.9 (11.0)

0.41

46.6 (8.8)

47.5 (12.3)

41.2 (7.7)

0.21

  PCGrimAge, years

65.8 (8.2)

65.1 (7.9)

65.4 (9.0)

0.82

65.9 (7.4)

68.7 (10.9)

60.8 (7.7)

0.16

 Third-generation clocks (aging pace)

  DunedinPACE

1.12 (0.1)

1.09 (0.1)

1.12 (0.1)

0.09

1.14 (0.1)

1.17 (0.1)

1.07 (0.1)

0.042

Anthropometric

 Body mass index, kg/m2

31.4 (3.9)

31.1 (3.8)

31.1 (3.8)

0.92

30.2 (4.0)

33.5 (4.5)

30.3 (3.8)

0.17

 Waist circumference, cm

110 (9.4)

111 (9.5)

110 (8.0)

0.72

102 (7.9)

107 (8.2)

98.1 (5.9)

0.09

Lifestyle habits

 Current smoker, %

17.9%

6.9%

15.4%

0.13

20.0%

22.2%

22.2%

1

 Diabetics, %

10.3%

8.3%

14.1%

0.50

0%

22.2%

0%

0.19

 Fatty liver, %

60.3%

59.7%

60.3%

0.86

30%

44.4%

22.2%

0.67

 Metabolic syndrome => 3, %

70.5%

54.2%

66.7%

0.09

10.0%

66.7%

22.2%

0.036

 Fish, median intake servings/day

0.38

0.38

0.38

0.77

0.25

0.27

0.32

0.92

 Meat, median intake servings/day

0.59

0.48

0.55

0.45

0.44

0.54

0.34

0.42

 Fruit, median intake servings/day

2.66

2.24

2.77

0.84

3.14

3.38

3.57

0.51

 Vegetables, median intake servings/day

5.57

5.67

5.47

0.64

5.69

7.79

10.8

0.16

 Legumes, median intake servings/day

0.23

0.23

0.27

0.48

0.14

0.23

0.29

0.59

  1. HDG health dietary guidelines, MED Mediterranean
  2. aValues are presented as mean (SD) for continuous measurements, median of servings/day for dietary data, and percentages for lifestyle habits
  3. *p values according to ANOVA/Kruskal–Wallis’s test or chi-square/Fisher exact test