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Table 1 Characteristics of the EJP and Ashkenazi Jewish study participants

From: Premature aging of leukocyte DNA methylation is associated with type 2 diabetes prevalence

Study design and sample

Diabetes status

Number ( n )

% of total

% of men

Mean Age (years)

Mean BMI (kg/m 2 )

Mean methylation (%)

SD of methylation

PS-EJP

Group 1: normal GM

295

31.8

51.2

44.1

27.8

31.3

8.5

PS-EJP

Group 2: borderline GM

173

18.6

59.5

48.0

29.4

31.8

9.0

PS-EJP

Group 3: IGM

194

20.9

50.5

55.2

30.9

29.5

8.7

PS-EJP

Group 4: T2D

267

28.7

52.8

60.3

31.4

28.1

8.4

PS-EJP

Groups 1 + 2

468

50.4

54.3

45.5

28.4

31.5

8.7

PS-EJP

Groups 3 + 4

461

49.6

51.8

58.1

31.2

28.7

8.6

CC-AsJ

No diabetes

348

55.3

41.1

58.7

22.5

30.8

8.6

CC-AsJ

T2D

281

44.7

47.7

64.5

29.0

28.1

7.5

  1. EJP: East Jerusalem Palestinian; PS: Cross-sectional population-based sample; GM: Glucose metabolism; IGM: Impaired glucose metabolism; T2D: Type 2 diabetes. AsJ: Ashkenazi Jewish; CC: Cross-sectional case–control.