Table 1 Basic characteristics of participants

N

47,384

10,469

6559

11,974

15,621

2761

Age, year

52.42 ± 11.77

49.66 ± 11.17

48.59 ± 9.63

53.28 ± 12.76

54.87 ± 11.61

54.36 ± 10.55

Sex

Female

11,375 (24.01)

197 (1.88)

48 (0.73)

5259 (43.92)

5202 (33.30)

669 (24.23)

Male

36,009 (75.99)

10,272 (98.12)

6511 (99.27)

6715 (56.08)

10,419 (66.70)

2092 (75.77)

Marital status

Others

596 (1.26)

156 (1.49)

71 (1.08)

188 (1.57)

151 (0.97)

30 (1.09)

Married or remarriage

46,788 (98.74)

10,313 (98.51)

6488 (98.92)

11,786 (98.43)

15,470 (99.03)

2731 (98.91)

Education background

Illiterate/elementary

3136 (6.62)

696 (6.65)

375 (5.72)

763 (6.37)

1110 (7.11)

192 (6.95)

Middle school

31,000 (65.42)

6657 (63.59)

4096 (62.45)

7807 (65.20)

10,498 (67.20)

1942 (70.34)

High school or above

13,248 (27.96)

3116 (29.76)

2088 (31.83)

3404 (28.43)

4013 (25.69)

627 (22.71)

BMI, kg/m²

25.05 ± 3.28

24.31 ± 3.04

26.14 ± 3.01

23.88 ± 3.15

25.65 ± 3.23

26.86 ± 3.12

SBP, mm Hg

130.06 ± 18.43

127.70 ± 16.67

132.03 ± 16.92

125.90 ± 19.05

132.69 ± 18.78

137.59 ± 18.11

DBP, mm Hg

84.14 ± 10.50

83.70 ± 10.05

86.96 ± 10.24

81.07 ± 10.39

84.98 ± 10.33

87.70 ± 10.57

LDL-C, mmol/L

2.62 ± 0.73

2.59 ± 0.66

2.73 ± 0.71

2.43 ± 0.72

2.72 ± 0.75

2.72 ± 0.86

HDL-C, mmol/L

1.55 ± 0.42

1.61 ± 0.43

1.49 ± 0.40

1.67 ± 0.44

1.48 ± 0.38

1.36 ± 0.38

Hs-CRP, mg/L

1.00 (0.50–2.35)

0.97 (0.50–2.10)

1.20 (0.60–2.60)

0.93 (0.50–2.05)

1.00 (0.40–2.50)

1.51 (0.70–3.36)

eGFR, ml/min/1.73 m³

93.11 (76.59-104.54)

99.23 (86.11-108.22)

99.47 (85.25-108.11)

91.04 (74.39-104.02)

86.41 (71.31–99.61)

89.68 (74.06-102.16)

Hypertension

22,310 (47.08)

4471 (42.71)

3767 (57.43)

4149 (34.65)

8115 (51.95)

1808 (65.48)

Diabetes mellitus

4907 (10.36)

366 (3.50)

1103 (16.82)

318 (2.66)

1977 (12.66)

1143 (41.40)

Hyperlipidemia

16,730 (35.31)

2502 (23.90)

4378 (66.75)

1766 (14.75)

5742 (36.76)

2342 (84.82)

Medication usage

Antihypertensive

5049 (10.66)

923 (8.82)

935 (14.26)

731 (6.10)

1924 (12.32)

536 (19.41)

Hypoglycemic

1390 (2.93)

82 (0.78)

278 (4.24)

1390 (2.93)

82 (0.78)

278 (4.24)

Hypolipidemic

368 (0.78)

49 (0.47)

93 (1.42)

368 (0.78)

49 (0.47)

93 (1.42)

TyG

2006/07_TyG

8.63 ± 0.65

8.31 ± 0.42

9.20 ± 0.51

8.07 ± 0.36

8.83 ± 0.44

9.75 ± 0.52

2008/09_TyG

8.65 ± 0.63

8.38 ± 0.42

9.25 ± 0.49

8.09 ± 0.38

8.81 ± 0.39

9.77 ± 0.51

2010/11_TyG

8.68 ± 0.62

8.45 ± 0.42

9.29 ± 0.51

8.13 ± 0.36

8.81 ± 0.41

9.75 ± 0.52