表 1.
研究对象的基线特征
Baseline characteristics of participants
| Items | Low-risk lifestyle factors | P | ||
| 0-1 | 2-3 | 4-5 | ||
| baPWV, brachial-ankle pulse wave velocity; SBP, systolic blood pressure; DBP, diastolic blood pressure; ABI, ankle-brachial index. | ||||
| Total, n (%) | 887 (14.1) | 3 886 (61.7) | 1 529 (24.3) | |
| Male, n (%) | 762 (85.9) | 1 799 (46.3) | 281 (18.4) | < 0.01 |
| Age/years, x±s | 55.28±11.30 | 56.88±10.71 | 57.84±9.48 | < 0.01 |
| baPWV/(cm/s), x±s | 1 675.20±350.82 | 1 690.77±381.67 | 1 687.54±386.26 | 0.54 |
| SBP/mmHg, x±s | 138.17±19.33 | 136.65±20.37 | 135.39±19.53 | < 0.01 |
| DBP/mmHg, x±s | 84.78±15.79 | 81.20±14.68 | 79.34±10.90 | < 0.01 |
| ABI, x±s | 1.09±0.10 | 1.08±0.11 | 1.08±0.11 | 0.07 |
| Educational levels, n (%) | < 0.01 | |||
| Primary school or less | 323 (36.4) | 1 549 (39.9) | 614 (40.1) | |
| Middle school | 426 (48.0) | 1 693 (43.6) | 635 (41.5) | |
| High school or above | 138 (15.6) | 644 (16.6) | 280 (18.3) | |
| Hypertension, n (%) | 635 (71.6) | 2 558 (65.8) | 1002 (65.5) | < 0.01 |
| Diabetes, n (%) | 314 (35.4) | 1 643 (42.3) | 854 (55.9) | < 0.01 |
| Antihypertensive treatment, n (%) | 350 (39.5) | 1 704 (43.8) | 751 (49.1) | < 0.01 |
| Diabetes mellitus treatment, n (%) | 187 (21.1) | 1 156 (29.7) | 687 (44.9) | < 0.01 |
| Lipid-lowering treatment, n (%) | 92 (10.4) | 505 (13.0) | 255 (16.7) | < 0.01 |