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Table 1 Baseline characteristics of study participants (n = 7,532)

From: The mediating effect of TyG-related indicators between long-term exposure to particulate matter and cardiovascular disease: evidence from a national longitudinal cohort study

Variables

Total (n = 7,532)

Non-CVD (n = 5,667)

CVD (n = 1,865)

P value*

Follow-up, mean (SD), y

7.4 (2.6)

8.2 (1.9)

4.9 (2.8)

 

Age, mean (SD), y

58.68 (9.17)

58.22 (9.28)

60.08 (8.68)

< 0.001

Gender, n (%)

   

< 0.001

 Male

3559 (47.3)

2771 (48.9)

788 (42.3)

 

 Female

3973 (52.7)

2896 (51.1)

1077 (57.7)

 

Place of residence, n (%)

   

0.662

 Rural

5037 (66.9)

3798 (67.0)

1239 (66.4)

 

 Urban

2495 (33.1)

1869 (33.0)

626 (33.6)

 

Education level, n (%)

   

0.042

 Primary school and below

5318 (70.6)

3967 (70.0)

1351 (72.4)

 

 Junior high school

1502 (20.0)

1172 (20.7)

330 (17.7)

 

 Senior high school

651 (8.6)

481 (8.5)

170 (9.1)

 

 University and above

61 (0.8)

47 (0.8)

14 (0.8)

 

Marital status, n (%)

   

0.011

 Married

6641 (88.2)

5028 (88.7)

1613 (86.5)

 

 Other

891 (11.8)

639 (11.3)

252 (13.5)

 

Drinking status, n (%)

   

< 0.001

 Never

4378 (58.1)

3253 (57.4)

1125 (60.3)

 

 Former

598 (7.9)

418 (7.4)

180 (9.7)

 

 Current

2556 (33.9)

1996 (35.2)

560 (30.0)

 

Smoking status, n (%)

   

< 0.001

 Never

4579 (60.8)

3404 (60.1)

1175 (63.0)

 

 Former

601 (8.0)

427 (7.5)

174 (9.3)

 

 Current

2352 (31.2)

1836 (32.4)

516 (27.7)

 

Diabetes, n (%)

   

0.001

 No

6347 (84.3)

4820 (85.1)

1527 (81.9)

 

 Yes

1185 (15.7)

847 (14.9)

338 (18.1)

 

Hypertension, n (%)

   

< 0.001

 No

4633 (61.5)

3709 (65.4)

924 (49.5)

 

 Yes

2899 (38.5)

1958 (34.6)

941 (50.5)

 

FBG, mean (SD), mg/dL

109.49 (35.10)

108.46 (32.86)

112.60 (41.03)

< 0.001

TG, mean (SD), mg/dL

129.49 (95.22)

127.66 (96.06)

135.07 (92.41)

0.004

BMI, mean (SD), kg/m2

23.38 (3.68)

23.15 (3.58)

24.07 (3.88)

< 0.001

WC, mean (SD), cm

84.96 (9.79)

84.27 (9.49)

87.06 (10.38)

< 0.001

WHtR, mean (SD)

0.54 (0.06)

0.53 (0.06)

0.55 (0.07)

< 0.001

TyG, mean (SD)

8.66 (0.65)

8.64 (0.65)

8.74 (0.67)

< 0.001

TyG-BMI, mean (SD)

203.21 (39.45)

200.63 (38.40)

211.04 (41.53)

< 0.001

TyG-WC, mean (SD)

738.04 (116.24)

729.91 (113.08)

762.72 (122.10)

< 0.001

TyG- WHtR, mean (SD)

4.68 (0.75)

4.63 (0.73)

4.85 (0.78)

< 0.001

PM1, mean (SD), µg/m3

31.29 (9.05)

30.96 (8.81)

32.29 (9.67)

< 0.001

PM2.5, mean (SD), µg/m3

56.03 (16.83)

55.28 (16.53)

58.33 (17.52)

< 0.001

PM10, mean (SD), µg/m3

95.73 (30.76)

93.78 (29.86)

101.65 (32.63)

< 0.001

  1. The mean (SD) or the number (%) represents the data
  2. *The P value corresponds to the comparison of baseline characteristics between participants with and without CVD
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Lipids in Health and Disease

ISSN: 1476-511X