Table 1 Baseline characteristics of the NSSIPL participants according to TyG-BMI levels

Age (years)

61.64 ± 10.82

59.63 ± 9.81

58.57 ± 9.26

< 0.001

Male [n (%)]

1768 (48.9)

1381 (38.1)

1215 (33.6)

< 0.01

Education [n (%)]

< 0.001

 Primary school or below

2209 (61.1)

2135 (58.8)

2080 (57.5)

 Middle school

1140 (31.5)

1165 (32.1)

1169 (32.3)

 High school or higher

268 (7.4)

328 (9.0)

368 (10.2)

Current smoking [n (%)]

1305 (36.1)

881 (24.3)

687 (19.0)

< 0.001

Current drinking [n (%)]

1188 (32.8)

969 (26.7)

900 (24.9)

< 0.001

Regular exercise [n (%)]

2979 (82.4)

3089 (85.1)

2997 (82.9)

0.569

SBP (mmHg)

139.50 ± 23.24

145.70 ± 22.47

151.88 ± 23.50

< 0.001

DBP (mmHg)

83.31 ± 11.57

86.45 ± 11.28

90.28 ± 11.88

< 0.001

FBG (mmol/L)

5.64 ± 1.16

6.06 ± 1.59

6.78 ± 2.42

< 0.001

TG (mmol/L)

0.98 ± 0.45

1.50 ± 0.89

2.48 ± 2.15

< 0.001

TC (mmol/L)

4.79 ± 0.98

5.14 ± 1.09

5.41 ± 1.20

< 0.001

LDL-C (mmol/L)

2.11 ± 0.80

2.37 ± 1.00

2.58 ± 1.18

< 0.001

HDL-C (mmol/L)

2.07 ± 0.61

1.94 ± 0.74

1.86 ± 0.88

< 0.001

Obesity/overweight [n (%)]

26 (0.7)

1542 (42.5)

3397 (93.9)

< 0.001

Hypertension [n (%)]

1757 (48.6)

2185 (60.2)

2636 (72.9)

< 0.001

Diabetes [n (%)]

217 (6.0)

508 (14.0)

1033 (28.6)

< 0.001

Dyslipidemia [n (%)]

422 (11.7)

998 (27.5)

1946 (53.8)

< 0.001

Atrial fibrillation [n (%)]

49 (1.4)

33 (0.9)

35 (1.0)

0.111

CHD [n (%)]

123 (3.4)

135 (3.7)

197 (5.4)

< 0.001

Ischemic stroke [n (%)]

159 (4.4)

194 (5.3)

243 (6.7)

< 0.001