Table 1 Baseline characteristics according to quartiles of baseline TyG index

Participants

35,999

9019

9015

8972

8993

Age, year

30.82 ± 5.66

29.78 ± 5.64

30.37 ± 5.66

30.94 ± 5.65

32.19 ± 5.41

 < 0.01

Male, N (%)

27,744(77.10)

5340(59.20)

6674(74.00)

7431(82.80)

8299(92.30)

 < 0.01

SBP, mmHg

118.18 ± 14.65

112.78 ± 13.07

116.14 ± 13.55

119.67 ± 14.33

124.19 ± 15.09

 < 0.01

DBP, mmHg

78.58 ± 10.02

74.90 ± 8.86

77.13 ± 9.24

79.51 ± 9.70

82.77 ± 10.48

 < 0.01

TyG index

8.48 ± 0.68

7.69 ± 0.25

8.22 ± 0.11

8.62 ± 0.13

9.38 ± 0.47

 < 0.01

BMI, kg/m²

24.35 ± 3.88

22.38 ± 3.26

23.59 ± 3.51

24.87 ± 3.65

26.58 ± 3.77

 < 0.01

FBG, mmol/L

5.08 ± 0.87

4.77 ± 0.54

4.93 ± 0.57

5.13 ± 0.63

5.50 ± 1.32

 < 0.01

TC, mmol/L

4.61 ± 0.97

4.22 ± 0.78

4.49 ± 0.81

4.73 ± 0.87

4.98 ± 1.20

 < 0.01

LDL-C, mmol/L

2.40 ± 0.73

2.16 ± 0.70

2.40 ± 0.67

2.52 ± 0.69

2.51 ± 0.80

 < 0.01

HDL-C, mmol/L

1.42 ± 0.34

1.47 ± 0.35

1.43 ± 0.32

1.41 ± 0.33

1.37 ± 0.37

 < 0.01

HR, bpm

73.73 ± 9.75

72.77 ± 9.56

73.07 ± 9.69

73.86 ± 9.67

75.22 ± 9.90

 < 0.01

TG, mmol/L

1.13(0.77–1.72)

0.60(0.50–0.69)

0.96(0.85–1.06)

1.36(1.21–1.53)

2.51(2.00–3.51)

 < 0.01

hs-CRP, mg/L

1.00(0.40–2.43)

0.83(0.33–2.06)

1.00(0.40–2.41)

1.10(0.49–2.40)

1.24(0.55–2.75)

 < 0.01

Current smoking, N (%)

13,335(37.00)

2594(28.80)

3017(33.50)

3424(38.20)

4300(47.80)

 < 0.01

Current drinking, N (%)

14,051(39.00)

2833(31.40)

3130(34.70)

3625(40.40)

4463(49.60)

 < 0.01

Physical exercisers, N (%)

29,319(81.40)

7345(81.40)

7449(82.60)

7364(82.10)

7161(79.60)

 < 0.01

Education level, N (%)

 < 0.01

 Highschool diploma or below

15,948(44.30)

3436(38.10)

3888(43.10)

4141(46.20)

4483(49.80)

 Highschool diploma or above

20,051(55.70)

5583(61.90)

5127(56.90)

4831(53.80)

4510(50.20)

Salt level, g/d

 < 0.01

 < 6

4199(11.70)

1137(12.60)

988(11.00)

1054(11.70)

1020(11.30)

 6–10

27,823(77.30)

6939(76.90)

7144(79.20)

6928(77.20)

6812(75.70)

Diabetes, N (%)

740(2.06)

24(0.27)

40(0.44)

101(1.13)

575(6.39)

 < 0.01

Antidiabetic treatment, N (%)

64(0.18)

3(0.03)

10(0.11)

14(0.16)

37(0.41)

 < 0.01

Hypertension, N (%)

6367(17.70)

644(7.14)

1136(12.6)

1806(20.1)

2781(30.9)

 < 0.01

Lipid-lowering treatment, N (%)

69(0.19)

6(0.07)

13(0.14)

9(0.10)

41(0.46)

 < 0.01

Antihypertensive treatment, N (%)

639(1.78)

67(0.74)

86(0.95)

166(1.85)

320(3.56)

 < 0.01