Table 1.
Baseline characteristics of all eligible participants.
| Variables | Total (n = 1849) | Baseline SBP, mmHg | P value | ||
|---|---|---|---|---|---|
| <120 (n = 663) | ≥120 − <130 (n = 676) | ≥130 (n = 510) | |||
| Age, year | 54.18 ± 7.54 | 52.60 ± 6.79 | 54.25 ± 7.23 | 56.15 ± 8.36 | <0.001 |
| Males, n (%) | 582 (31.48%) | 149 (22.47%) | 243 (35.95%) | 190 (37.25%) | <0.001 |
| BMI, kg/m2 | 25.28 ± 3.24 | 24.53 ± 3.11 | 25.56 ± 3.27 | 25.87 ± 3.19 | <0.001 |
| SBP, mmHg | 122.98 ± 9.76 | 112.43 ± 6.06 | 124.70 ± 2.87 | 134.40 ± 2.81 | <0.001 |
| DBP, mmHg | 71.57 ± 7.61 | 67.16 ± 6.28 | 73.04 ± 6.55 | 75.33 ± 7.73 | <0.001 |
| baPWV, cm/s | 1498.20 ± 276.69 | 1381.52 ± 221.81 | 1508.78 ± 263.42 | 1635.88 ± 291.68 | <0.001 |
| Total cholesterol, mmol/L | 5.34 ± 0.98 | 5.31 ± 0.95 | 5.34 ± 0.99 | 5.38 ± 1.01 | 0.449 |
| Triglyceride∗, mmol/L | 1.19 (0.86–1.78) | 1.11 (0.82–1.60) | 1.24 (0.87–1.84) | 1.31 (0.91–1.82) | <0.001 |
| HDL-cholesterol, mmol/L | 1.48 ± 0.39 | 1.54 ± 0.40 | 1.46 ± 0.38 | 1.43 ± 0.39 | <0.001 |
| LDL-cholesterol, mmol/L | 3.25 ± 0.82 | 3.20 ± 0.80 | 3.28 ± 0.82 | 3.30 ± 0.86 | 0.083 |
| Fasting glucose, mmol/L | 5.87 ± 1.52 | 5.71 ± 1.61 | 5.87 ± 1.40 | 6.09 ± 1.53 | <0.001 |
| 2 h-PG in OGTT, mmol/L | 7.75 ± 3.51 | 7.32 ± 3.37 | 7.65 ± 3.37 | 8.43 ± 3.77 | <0.001 |
| eGFR, ml/min/1.73 m2 | 97.33 ± 11.21 | 99.00 ± 10.42 | 96.80 ± 11.59 | 95.87 ± 11.42 | <0.001 |
| Current smoking, n (%) | 371 (20.06%) | 105 (15.84%) | 156 (23.08%) | 110 (21.57%) | 0.003 |
| Current drinking, n (%) | 424 (22.93%) | 130 (19.61%) | 171 (25.30%) | 123 (24.12%) | 0.035 |
| Prevalence of disease, n (%) | |||||
| Diabetes mellitus | 279 (15.09%) | 72 (10.86%) | 105 (15.53%) | 102 (20.00%) | <0.001 |
| Dyslipidemia | 1230 (66.52%) | 424 (63.95%) | 461 (68.20%) | 345 (67.65%) | 0.212 |
| Cardiovascular disease | 103 (5.57%) | 31 (4.68%) | 34 (5.03%) | 38 (7.45%) | 0.090 |
| Medication, n (%) | |||||
| Hypoglycemic agents | 112 (6.06%) | 36 (5.44%) | 38 (5.63%) | 38 (7.45%) | 0.301 |
| Lipid-lowering agents | 97 (5.28%) | 31 (4.70%) | 36 (5.36%) | 30 (5.94%) | 0.642 |
baPWV, brachial-ankle pulse wave velocity; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate; HDL, high-density lipoprotein; LDL, low-density lipoprotein; 2 h-PG in OGTT: 2-hour postload glucose in oral glucose tolerance test. ∗Median (interquartile range).