Table 1.
Baseline characteristics of the study population by tertile of pulse wave velocity, Health, Aging and Body Composition study (N=2,488)
| Pulse Wave Velocity, cm/s* | |||||
|---|---|---|---|---|---|
| Characteristics | Overall | Low | Middle | High | P Value |
| Age, mean (SD), y | 74.2 (2.9) | 73.9 (2.8) | 74.3 (2.9) | 74.4 (2.8) | <0.01 |
| Female, No. (%) | 1302 (52.3) | 481 (58.0) | 425 (51.2) | 396 (47.8) | <0.01 |
| Black | 1002 (40.3) | 296 (35.7) | 348 (41.9) | 358 (43.2) | <0.01 |
| < High School education, No. (%) | 575 (23.1) | 151 (18.2) | 222 (26.8) | 202 (24.4) | <0.01 |
| >1 alcoholic drink/day, No. (%) | 196 (7.9) | 74 (8.9) | 60 (7.2) | 62 (7.5) | 0.38 |
| Current smoker, No. (%) | 254 (10.2) | 75 (9.1) | 89 (10.7) | 90 (10.9) | 0.39 |
| BMI, means (SD), Kg/m2 | 27.4 (4.8) | 26.5 (4.6) | 27.9 (4.8) | 27.8 (4.8) | <0.01 |
| Low Density Lipoprotein, mg/dl | 121.8 (34.7) | 121.3 (33.0) | 121.9 (34.9) | 122.1 (36.1) | 0.87 |
| High Density Lipoprotein, mg/dl | 54.5 (17.0) | 56.7 (16.7) | 53.6 (16.7) | 53.2 (17.5) | <0.01 |
| Triglycerides, mg/dl | 139.9 (84.6) | 134.7 (93.1) | 142.8 (83.7) | 142.0 (76.0) | 0.10 |
| Arterial BP, mean (SD), mm Hg | 93.4 (12.7) | 91.0 (11.7) | 93.4 (12.9) | 95.8 (13.1) | <0.01 |
| Diabetes, No. (%) | 567 (22.8) | 121 (14.6) | 188 (22.7) | 258 (31.1) | <0.01 |
| Myocardial Infarction, No. (%) | 300 (12.1) | 87 (10.5) | 100 (12.1) | 113 (13.6) | 0.15 |
| Hypertension, No. (%) | 1512 (60.8) | 414 (49.9) | 506 (61.0) | 592 (71.4) | <0.01 |
| CESD ≥ 16, No. (%) | 93 (3.7) | 37 (4.5) | 33 (4.0) | 23 (2.8) | 0.18 |
| Apolipoprotein 4, No. (%) | 667 (26.8) | 214 (27.0) | 233 (29.6) | 220 (27.5) | 0.46 |
| 3MS score, mean (SD) | 90.4 (8.1) | 91.2 (7.9) | 90.2 (8.2) | 89.6 (8.2) | <0.01 |
Arterial BP indicates arterial blood pressure; BMI, body mass index; CESD, center for epidemiologic studies depression scale; 3MS: Modified Mini Mental State Examination.
*
PWV data were log transformed and categorized into tertiles: Low: 5.7cm/s to 6.5cm/s; middle: 6.5cm/s to 6.9cm/s; high: 6.9cm/s to 8.0cm/s