Table 1 Characteristics of participants by glycemic status

n(%)

346 (6.7)

274 (5.3)

1360 (26.2)

3557 (68.5)

—

Age (years)

59.0 (53.0,68.0)

57.0 (49.0,65.3)

55.0 (48.0,62.0)

49.0 (37.0,57.0)

<0.001

Gender (%)

<0.001

  Male

46.5

53.3

47.1

42.5

District (%)

0.360

  Rural

62.1

55.5

57.9

57.8

Height (cm)

162.0 (155.0,167.1)

162.5 (156.0,170.0)

162.5 (157.0,169.0)

162.0 (157.0,169.0)

0.019

Weight (kg)

65.0 (57.5,73.0)

68.0 (60.0,74.0)

65.1 (58.0,72.5)

61.0 (55.0,69.0)

<0.001

FPG (mg/dL)

141.3 (118.4,174.1)

148.3 (134.0,199.8)

106.2 (102.5,111.6)

91.1 (86.8,94.9)

<0.001

TG (mg/dL)

186.0 (132.9,292.3)

212.6 (141.7,318.9)

177.1 (115.1,265.7)

141.7 (97.4,212.6)

<0.001

TC (mg/dL)

189.5 (162.4,216.6)

197.2 (174.0,224.3)

189.5 (166.3,216.6)

177.9 (154.7,201.1)

<0.001

eGFR (ml/min/1.73 m²)

  MDRD Study–estimated

107.7 (88.4,125.2)

110.6 (90.4,128.6)

101.1 (87.9,118.6)

108.0 (93.1,125.1)

<0.001

  CKD-EPI–Estimated

94.9 (81.9,103.6)

96.4 (83.4,106.6)

95.0 (83.6, 103.9)

100.7 (89.5,111.6)

<0.001

ACR (mg/g)

13.2 (4.8,37.0)

11.7 (4.8,36.8)

6.9 (2.6,16.5)

5.8 (2.2,12.1)

<0.001

BMI (kg/m, %)

<0.001

  <24

39.0

32.1

41.8

59.7

  Overweight, 24-

44.5

47.1

43.2

31.8

  Obesity, ≥ 28

16.5

20.8

15.0

8.5

Hypertension (%)

60.3

54.7

36.6

20.9

<0.001

ACEIs/ARBs (%)

1.4

0.7

0.4

0.2

0.002

Education (%)

<0.001

  Less than high school

72.8

71.9

65.9

56.1

  High school or more

27.2

28.1

34.1

43.9

Household income per person year in Yuan (%)

0.398

  <12,000

54.9

58.0

56.5

58.6

  12,000–

42.5

40.9

40.8

38.7

  36,000–

2.0

0.0

2.0

1.8

  ≥72,000

0.6

1.1

0.7

0.9

Smoking (%)

0.112

  Sometimes/not at all

74.0

70.8

77.1

74.9

  Every day

26.0

29.2

22.9

25.1

Alcohol drinking (%)

<0.001

  Nondrinkers

23.2

22.1

27.7

35.2

  1-2 drinkers per week

18.9

17.6

15.4

20.0

  3-4 drinkers per week

7.4

7.4

12.6

11.0

  5-6 drinkers per week

15.8

8.8

7.5

6.6

  everyday drinkers

34.7

44.1

36.8

27.2