Table 1 Clinical characteristics of the study population according to ePWV
Variables | Total (n = 8242) | Q1 (n = 2061) | Q2 (n = 2059) | Q3 (n = 2061) | Q4 (n = 2061) | P value |
|---|---|---|---|---|---|---|
Age, (years) | 58.2 ± 8.8 | 50.3 ± 4.3 | 55.0 ± 5.4 | 59.6 ± 5.9 | 67.8 ± 7.8 |  < 0.001 |
Sex, n (%) |  |  |  < 0.001 | |||
 Male | 3908 (47.4) | 840 (40.8) | 1024 (49.7) | 1031 (50) | 1013 (49.2) |  |
 Female | 4334 (52.6) | 1221 (59.2) | 1035 (50.3) | 1030 (50) | 1048 (50.8) |  |
Education, n (%) |  |  < 0.001 | ||||
 Junior high school and below | 7428 (90. 1) | 1780 (86.4) | 1811 (88) | 1893 (91.8) | 1944 (94.3) |  |
 High school or above | 814 (9.9) | 281 (13.6) | 248 (12) | 168 (8.2) | 117 (5.7) |  |
Alcohol consumption, n (%) |  < 0.001 | |||||
 No | 4995 (60.6) | 1342 (65.2) | 1208 (58.7) | 1221 (59.2) | 1224 (59.5) |  |
 Yes | 3242 (39.4) | 717 (34.8) | 851 (41.3) | 840 (40.8) | 834 (40.5) |  |
Smoking status, n (%) |  < 0.001 | |||||
 No | 4993 (60.6) | 1372 (66.6) | 1228 (59.6) | 1200 (58.2) | 1193 (57.9) |  |
 Yes | 3249 (39.4) | 689 (33.4) | 831 (40.4) | 861 (41.8) | 868 (42. 1) |  |
Residence, n (%) | 0.553 | |||||
 Urban | 2675 (32.5) | 673 (32.7) | 676 (32.8) | 643 (31.2) | 683 (33. 1) |  |
 Rural | 5567 (67.5) | 1388 (67.3) | 1383 (67.2) | 1418 (68.8) | 1378 (66.9) |  |
Marital status, n (%) |  < 0.001 | |||||
 Married or partnered | 7354 (89.2) | 1964 (95.3) | 1946 (94.5) | 1865 (90.5) | 1579 (76.6) |  |
 Other marital status | 888 (10.8) | 97 (4.7) | 113 (5.5) | 196 (9.5) | 482 (23.4) |  |
 SBP, mmHg | 128.3 ± 20.7 | 110.1 ± 9.4 | 121.6 ± 11.4 | 131.8 ± 14.4 | 149.5 ± 21.2 |  < 0.001 |
 SBP, mmHg | 74.9 ± 12.0 | 65.8 ± 7.8 | 73.6 ± 9.2 | 78.0 ± 10.6 | 82.3 ± 13.0 |  < 0.001 |
 Waist, cm | 84.0 ± 12.2 | 81.6 ± 11.6 | 83.6 ± 12.4 | 85.2 ± 11.8 | 85.4 ± 12.5 |  < 0.001 |
 Height, cm | 158.0 ± 9.1 | 158.8 ± 7.9 | 159.0 ± 9.7 | 158.3 ± 8.5 | 156.0 ± 9.7 |  < 0.001 |
 Weight, kg | 58.6 ± 11.6 | 58.3 ± 10.7 | 59.7 ± 11.4 | 59.6 ± 11.6 | 56.9 ± 12.3 |  < 0.001 |
 BMI, kg/m2 | 23.0 (20.8, 25.6) | 22.7 (20.8, 25.0) | 23.1 (20.9, 25.6) | 23.3 (21.0, 26. 1) | 22.8 (20.4, 25.5) |  < 0.001 |
 Glu, mg/dL | 109.4 ± 35.5 | 103.9 ± 27.4 | 108.9 ± 32.5 | 112.6 ± 41.9 | 112.0 ± 37.4 |  < 0.001 |
 TG, mg/dL | 103.5 (74.3, 151.3) | 96.5 (69.0, 139.8) | 104.4 (74.3, 153.5) | 107.1 (76.1, 158.4) | 108.0 (75.7, 156.6) |  < 0.001 |
 LDL-C, mg/dL | 116.3 ± 34.5 | 111.8 ± 32.6 | 115.3 ± 34.4 | 118.9 ± 35.5 | 119.0 ± 35.0 |  < 0.001 |
 ePWV | 9.3 ± 1.8 | 7.2 ± 0.5 | 8.5 ± 0.3 | 9.6 ± 0.4 | 11.8 ± 1.2 |  < 0.001 |