Characteristics | Q1 | Q2 | Q3 | Q4 | P value |
CV% | ≤2.8 | 2.8–4.42 | 4.42–6.4 | >6.4 | |
N | 1917 | 1933 | 1922 | 1927 | |
Age, years | 60.18±5.67 | 60.08±5.68 | 60.04±5.71 | 60.35±5.7 | 0.353 |
Gender | 0.124 | ||||
Female | 1035 (54%) | 1081 (55.9%) | 1099 (57.2%) | 1040 (54%) | |
Male | 882 (46%) | 852 (44.1%) | 823 (42.8%) | 887 (46%) | |
Race | <0.0001 | ||||
White | 1681 (87.7%) | 1662 (86%) | 1591 (82.8%) | 1463 (75.9%) | |
Black | 236 (12.3%) | 271 (14%) | 331 (17.2%) | 464 (24.1%) | |
Smoking status | |||||
Current | 320 (26.8%) | 317 (23.3%) | 338 (24.1%) | 410 (28.1%) | <0.0001 |
Former | 790 (32.8%) | 777 (33.6%) | 770 (33%) | 790 (33.2%) | 0.854 |
Drinking status | |||||
Current | 1129 (58.9%) | 1086 (56.2%) | 1103 (57.4%) | 996 (51.7%) | <0.0001 |
Former | 376 (19.6%) | 379 (19.6%) | 374 (19.5%) | 447 (23.2%) | 0.003 |
Education level | <0.0001 | ||||
1 (basic) | 287 (15%) | 304 (15.7%) | 321 (16.7%) | 405 (21%) | |
2 (intermediate) | 821 (42.8%) | 819 (42.4%) | 769 (40%) | 780 (40.5%) | |
3 (advanced) | 769 (40.1%) | 765 (39.6%) | 781 (40.6%) | 685 (35.5%) | |
BMI, kg/m2 | 27.16±4.54 | 27.07±4.62 | 27.39±4.83 | 28.34±5.6 | <0.0001 |
SBP, mm Hg | 121.62±18.11 | 122.29±18.35 | 121.71±18.47 | 125.41±19.85 | <0.0001 |
DBP, mm Hg | 70.73±10.11 | 71.04±9.99 | 71.13±10.16 | 72.2±10.72 | <0.0001 |
FBG, mg/dL | 98.05±8.15 | 97.17±9.08 | 97.54±10.11 | 107.6±40.98 | <0.0001 |
eGFR, mL/min/1.73 m2 | 68.03±16.2 | 67.91±15.86 | 69.05±10.53 | 70.8±19.23 | <0.0001 |
TC, mmol/L | 5.35±0.95 | 5.35±0.92 | 5.39±0.96 | 5.36±0.99 | 0.616 |
HDL-C, mmol/L | 1.38±0.46 | 1.4±0.48 | 1.4±0.46 | 1.39±0.51 | 0.413 |
LDL-C, mmol/L | 3.26±0.91 | 3.23±0.91 | 3.32±0.92 | 3.21±1.03 | 0.003 |
TG, mmol/L | 1.5±0.79 | 1.51±0.82 | 1.45±0.75 | 1.58±1.09 | <0.0001 |
Prevalent HT | 583 (30.4%) | 666 (34.5%) | 643 (33.5%) | 832 (43.2%) | <0.0001 |
Prevalent CHD | 116 (6.1%) | 117 (6.1%) | 109 (5.7%) | 253 (13.1%) | <0.0001 |
Prevalent stroke | 33 (1.7%) | 41 (2.1%) | 59 (3.1%) | 65 (3.4%) | 0.003 |
Anti-HT medicine use | 548 (28.6%) | 584 (30.2%) | 613 (31.9%) | 815 (42.3%) | <0.0001 |
Aspirin use | 1020 (53.2%) | 1033 (53.4%) | 1031 (53.6%) | 1044 (54.2%) | 0.941 |
Statin use | 22 (1.1%) | 14 (0.7%) | 20 (1%) | 30 (1.6%) | 0.103 |
Values are mean±SD or number (%).
BMI, body mass index; CHD, coronary heart disease; CV, coefficient of variation; DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate; FBG, fasting blood glucose; HDL-C, high-density lipoprotein cholesterol; HT, hypertension; LDL-C, low-density lipoprotein cholesterol; SBP, systolic blood pressure; TC, total cholesterol; TG, triglycerides.