Table 1.
Baseline characteristics of study participants according to CV quartile.
| Quartile 1 (n = 2,314) | Quartile 2 (n = 2,327) | Quartile 3 (n = 2,301) | Quartile 4 (n = 2,322) | p value | |
|---|---|---|---|---|---|
| Variables | |||||
| Age, years | 67.1 ± 9.2 | 67.3 ± 9.4 | 67.9 ± 9.2 | 69.4 ± 8.3 | <0.001 |
| Sex, females | 1,235 (53.4%) | 1,179 (50.7%) | 1,111 (48.3%) | 1,127 (50.5%) | 0.007 |
| Systolic BP, mmHg | 127.7 ± 16.6 | 127.6 ± 15.7 | 128.1 ± 16.2 | 129.8 ± 17.3 | <0.001 |
| Diastolic BP, mmHg | 77.8 ± 10.5 | 77.8 ± 10.1 | 78.0 ± 10.1 | 78.2 ± 10.7 | 0.491 |
| FG, mg/dL | 96.5 ± 15.1 | 97.7 ± 16.2 | 101.3 ± 20.3 | 119.8 ± 44.7 | <0.001 |
| TC, mg/dL | 193.9 ± 37.1 | 195.6 ± 53.7 | 196.1 ± 39.7 | 192.7 ± 42.0 | 0.012 |
| BMI | 23.8 ± 2.9 | 23.9 ± 3.0 | 23.8 ± 3.0 | 23.9 ± 3.2 | 0.673 |
| Hypertension, n (%) | 961 (41.5%) | 1,000 (43.0%) | 1,019 (44.3%) | 1,093 (47.1%) | 0.001 |
| Diabetes, n (%) | 143 (6.2%) | 191 (8.2%) | 261 (11.3%) | 887 (38.2%) | <0.001 |
| Dyslipidemia, n (%) | 733 (31.7%) | 708 (30.4%) | 743 (32.3%) | 909 (39.2%) | <0.001 |
| Smoking, n (%) | <0.001 | ||||
| Ex-smoker | 268 (12.1%) | 306 (13.8%) | 335 (15.2%) | 279 (12.5%) | |
| Current smoker | 185 (8.4%) | 165 (7.5%) | 219 (9.9%) | 229 (10.3%) | |
| Heavy alcohol drinker, n (%) | 201 (9.1%) | 223 (10.1%) | 218 (9.9%) | 228 (10.2%) | 0.021 |
| Regular exercise, n (%) | 252 (27.6%) | 209 (23.9%) | 213 (25.6%) | 187 (21.3%) | 0.015 |
Values are presented as mean ± standard deviation or n (%).
CV, coefficient of variation; BP, blood pressure; FG, fasting glucose; TC, total cholesterol; BMI, body mass index.