Introduction
Methods
Study Sample
Mental Stress Testing
Procedure
Other Measures
Hypertension Assessment
Statistical Analysis
Results
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 |
SBP base | SBP Δ | SBP recovery | DBP base | DBP Δ | Fib base men | Fib Δ men | Fib base women | Fib Δ women | Age | |
---|---|---|---|---|---|---|---|---|---|---|
SBP base | – | 0.15* | −0.08* | 0.59* | 0.08 | 0.12* | 0.13* | 0.15* | 0.06 | 0.25* |
SBP Δ | – | 0.21* | 0.14* | 0.71* | 0.01 | 0.13 | −0.03 | 0.17* | 0.21* | |
SBP recovery | – | 0.03 | 0.18* | 0.06 | −0.01 | 0.09 | 0.12 | 0.12* | ||
DBP base | – | 0.09* | 0.12* | 0.12* | 0.14* | −0.01 | 0.09* | |||
DBP Δ | – | 0.01 | 0.12* | 0.04 | 0.08 | 0.06 | ||||
Fib base men | – | 0.14* | 0.26* | |||||||
Fib Δ men | – | 0.15* | ||||||||
Fib base women | – | −0.03 | 0.18* | |||||||
Fib Δ women | – | 0.24* | ||||||||
Age | – | |||||||||
Gender | Grade | BMI | Smoke | Alcohol | VPA | F-up time | Stress | Difficulty | Engagement | |
SBP base | −0.19* | 0.09* | 0.17* | −0.05 | 0.06 | −0.05 | −0.28* | −0.03 | −0.02 | −0.01 |
SBP Δ | 0.01 | −0.04 | −0.06 | −0.11* | 0.01 | 0.06 | −0.22* | 0.11* | −0.04 | 0.08* |
SBP recovery | 0.11* | 0.13* | 0.05 | 0.02 | −0.07 | −0.07 | −0.16* | −0.01 | 0.01 | 0.03 |
DBP base | −0.15* | 0.05 | 0.25* | 0.02 | 0.14* | −0.03 | −0.13* | 0.02 | 0.01 | −0.03 |
DBP Δ | 0.10* | −0.03 | 0.01 | −0.06 | −0.01 | 0.01 | −0.05 | 0.13* | −0.01 | 0.09* |
Fib base men | 0.12* | 0.27* | 0.15* | 0.01 | −0.11 | −0.26* | −0.01 | 0.02 | 0.03 | |
Fib Δ men | 0.09 | 0.04 | 0.07 | −0.02 | −0.01 | −0.30* | 0.06 | −0.01 | 0.01 | |
Fib base women | 0.18* | 0.27* | 0.08 | −0.16* | −0.15* | −0.17* | 0.04 | 0.02 | −0.11 | |
Fib Δ women | −0.09 | −0.07 | −0.03 | −0.07 | −0.10 | −0.23* | 0.01 | 0.01 | −0.04 | |
Age | 0.07 | 0.08 | −0.04 | −0.05 | −0.06 | −0.16* | −0.72* | 0.10* | 0.02 | −0.07 |
Gender | – | 0.05 | 0.25* | 0.02 | −0.16* | −0.11* | −0.14* | 0.09* | 0.11* | −0.03 |
Grade | – | −0.01 | 0.08 | −0.17* | −0.08* | −0.03 | 0.03 | −0.03 | −0.02 | |
BMI | – | −0.02 | 0.07 | −0.07 | −0.03 | −0.05 | −0.04 | −0.01 | ||
Smoke | 0.12* | −0.05 | 0.05 | −0.03 | 0.01 | −0.09* | ||||
Alcohol | – | 0.09 | 0.03 | 0.01 | 0.06 | 0.04 | ||||
VPA | – | 0.18* | −0.03 | 0.03 | 0.03 | |||||
F-up time | – | −0.09* | −0.05 | 0.02 | ||||||
Stress | – | 0.33* | 0.12* | |||||||
Difficulty | – | −0.01 |
Exposure variable | Category | Incident hypertension (N) | Incident hypertension (%) | Adjusted odds ratioa
|
p value |
---|---|---|---|---|---|
Systolic BP task reactivity | Low | 34/206 | 16.5 % | 1 | |
Medium | 47/211 | 22.3 % | 1.35 (0.78–2.32) | 0.28 | |
High | 61/208 | 29.3 % | 2.02 (1.17–3.48) | 0.012 | |
Systolic BP recovery | Low | 40.206 | 19.4 % | 1 | |
Medium | 52/207 | 25.1 % | 1.74 (1.03–2.94) | 0.037 | |
High | 49/207 | 23.7 % | 2.06 (1.19–3.57) | 0.010 | |
Diastolic BP task reactivity | Low | 34/205 | 16.6 % | 1 | |
Medium | 43/212 | 20.3 % | 1.00 (0.58–1.71) | 0.99 | |
High | 65/208 | 31.3 % | 2.05 (1.23–3.40) | 0.006 | |
Diastolic BP recovery | Low | 48/207 | 23.2 % | 1 | |
Medium | 52/208 | 25.0 % | 1.29 (0.78–2.12) | 0.32 | |
High | 42/206 | 20.4 % | 1.05 (0.63–1.76) | 0.84 | |
Fibrinogen task reactivity (women) | Low | 43/196 | 21.9 % | 1 | |
Medium | 38/205 | 18.5 % | 1.99 (0.83–4.98) | 0.12 | |
High | 50/191 | 26.2 % | 2.64 (1.11–6.30) | 0.029 |