Table 1.
Characteristics of study participants
| Complete sample (n = 626) | Normotensive on follow-up (n = 483) | Hypertensive on follow-up (n = 143) | p difference | |
|---|---|---|---|---|
| Men | 307 (52.2 %) | 238 (49.3 %) | 89 (62.2 %) | 0.008 |
| Women | 299 (47.8 %) | 245 (50.7 %) | 54 (37.8 %) | |
| Age (years) | 59.1 ± 6.7 | 58.9 ± 6.6 | 60.1 ± 7.0 | 0.055 |
| Grade of employment | ||||
| Higher | 248 (39.6 %) | 190 (39.3 %) | 58 (40.6 %) | 0.93 |
| Intermediate | 232 (37.1 %) | 181 (37.5 %) | 51 (35.7 %) | |
| Lower | 146 (23.3 %) | 112 (23.2 %) | 34 (23.8 %) | |
| Body mass index | 25.5 ± 3.9 | 25.3 ± 3.9 | 26.3 ± 3.4 | 0.006 |
| Current smoker | 37 (5.9 %) | 29 (6.0 %) | 8 (5.6 %) | 1.00 |
| Alcohol units per week | 9.08 ± 8.8 | 8.90 ± 8.4 | 9.70 ± 10.0 | 0.34 |
| Vigorous activity | 285 (45.5 %) | 225 (46.6 %) | 60 (42.0 %) | 0.34 |
| Follow-up period (years) | 7.91 ± 3.4 | 7.89 ± 3.4 | 7.99 ± 3.4 | 0.77 |
| Systolic BP (mmHg) | 119.4 ± 12.4 | 117.2 ± 12.0 | 126.7 ± 10.6 | <0.001 |
| Diastolic BP (mmHg) | 71.5 ± 8.9 | 70.1 ± 8.7 | 76.3 ± 8.3 | <0.001 |
| Fibrinogen (g/l) | ||||
| Men (n = 319) | 2.94 ± 0.58 | 2.93 ± 0.60 | 2.97 ± 0.53 | 0.62 |
| Women (n = 285) | 3.15 ± 0.62 | 3.15 ± 0.63 | 3.13 ± 0.55 | 0.85 |
| Stress rating (1–7) | 1.41 ± 0.78 | 1.42 ± 0.79 | 1.36 ± 0.74 | 0.41 |
| Systolic BP tasks | 147.4 ± 20.7 | 143.7 ± 19.5 | 159.7 ± 19.9 | <0.001 |
| Systolic BP recovery | 127.3 ± 15.5 | 124.9 ± 15.1 | 135.4 ± 12.4 | <0.001 |
| Diastolic BP tasks | 85.6 ± 11.5 | 83.7 ± 11.0 | 91.8 ± 10.8 | <0.001 |
| Diastolic BP recovery | 76.5 ± 10.5 | 75.1 ± 10.4 | 81.3 ± 9.7 | <0.001 |
| Fibrinogen reactivity | ||||
| Men | 0.12 ± 0.18 | 0.12 ± 0.18 | 0.12 ± 0.19 | 0.86 |
| Women | 0.13 ± 0.22 | 0.12 ± 0.23 | 0.19 ± 023 | 0.061 |
| Stress rating response | 2.75 ± 1.5 | 2.70 ± 1.5 | 2.92 ± 1.4 | 0.12 |
| Task difficulty (1–7) | 5.66 ± 1.0 | 5.67 ± 1.0 | 5.65 ± 1.0 | 0.84 |
| Task engagement (1–7) | 5.66 ± 1.3 | 5.66 ± 1.3 | 5.65 ± 1.2 | 0.92 |
Mean ± standard deviation or N (percent)