Table 1. Characteristics of the 542 participants at Phase 9 and Phase 11.
| Sample characteristics | Phase 9 2007–2009 |
Phase 11 2012–2013 |
|---|---|---|
| N | 542 | 542 |
| Age, years | 63.9 (5.2) | 68.0 (5.2) |
| Age range, years | 55.6–77.4 | 59.8–81.8 |
| N male (%) | 444/542 (81.9%) | |
| PWV m/s | 8.1 (1.7) | 8.7 (2.1) |
| PWV range m/s | 4.7–15.0 | 4.5–17.5 |
| Mean change in PWV between Phase 9 and Phase 11, m/s/year | 0.2 (0.4) | |
| Systolic blood pressure, mmHg | 122.5 (14.7) | 125.1 (15.4) |
| Diastolic blood pressure, mmHg | 70.6 (10.1) | 70.3 (9.5) |
| MAP, mmHg | 87.9 (11.0) | 88.6 (10.7) |
| BMI, kg/m2 | 25.9 (3.6) | 25.9 (3.6) |
| Antihypertensive treatment, N (%) | 137/542 (25.3%) | 175/542 (32.3%) |
| Current smokers, N (%) | 29/538 (5.4%)* | 20/541 (3.7%)* |
| Type 2 diabetes, N (%) | 8/542 (1.5%) | 37/539 (6.9%)* |
| Current CVD (angina, stroke, or myocardial infarction), N (%) | 12/542 (2.2%) | 16/542 (3.0%) |
Values represent mean (SD) or no. (%).
* indicates the presence of missing data.
BMI, body mass index; CVD, cardiovascular disease; MAP, mean arterial pressure; N, number; PWV, pulse wave velocity; SD, standard deviation.