Table 1 Characteristics of Study Participants (n = 102,358)

Age (years)

54.3 ± 10.2

Age, n (%)

 35–44 years

20,514 (20.0)

 45–54 years

32,388 (31.6)

 55–64 years

29,949 (29.3)

 65–75 years

19,507 (19.1)

Sex, n (%)

 Men

40,440 (39.5)

 Women

61,918 (60.5)

Education, n (%)

 < High school

72,063 (70.4)

 ≥ High school

30,295 (29.6)

Annual household income (RMB), n (%)

 < 50 000

55,938 (54.6)

 ≥ 50 000

46,420 (45.4)

Health insurance status, n (%)

 Uninsured

6893 (6.7)

 Insured

95,465 (93.3)

Residence urbanity, n (%)

 Rural

52,849 (51.6)

 Urban

49,509 (48.4)

Marital status, n (%)

 Married

92,599 (90.5)

 Others

9759 (9.5)

Occupation, n (%)

 Farmer

12,054 (11.8)

 Non-farmer

90,304 (88.2)

Current smoking, n (%)

 No

84,758 (82.8)

 Yes

17,600 (17.2)

Current drinking, n (%)

 No

96,932 (94.7)

 Yes

5426 (5.3)

Body mass index (kg/m²)

24.1 ± 3.3

Overweight/obesity, n (%)

50,016 (48.9)

Systolic blood pressure (mm Hg)

130.1 ± 19.0

Diastolic blood pressure (mm Hg)

79.2 ± 11.3

Hypertension, n (%)

40,866 (39.9)

Dyslipidemia, n (%)

19,044 (18.6)

Diabetes mellitus, n (%)

16,434 (16.1)

TC (mmol/L)

4.91 ± 1.23

LDL-C (mmol/L)

2.72 ± 1.00

HDL-C (mmol/L)

1.48 ± 0.44

TG (mmol/L)

1.35 (0.99–1.94)

Fasting plasma glucose (mmol/L)

5.89 ± 1.68

Myocardial infarction, n (%)

367 (0.4)

Stroke, n (%)

630 (0.6)