Table 2.
Relation of baseline characteristics and adjusted annual changes in blood pressure over 7 years of follow-up.a
| Baseline characteristic | SBP change/year (mmHg) β (95% CI) | p-Value | DBP change/year (mmHg) β (95% CI) | p-Value |
|---|---|---|---|---|
| Age (years)b | ||||
| ≤ 30 | Reference | Reference | ||
| 30–40 | 0.14 (0.02, 0.27) | 0.020 | –0.05 (–0.14, 0.03) | 0.201 |
| > 40 | 0.36 (0.23, 0.49) | < 0.001 | –0.09 (–0.18, 0.01) | 0.064 |
| Sex (women compared with men) | 0.34 (0.20, 0.48) | < 0.001 | 0.01 (–0.10, 0.10) | 0.950 |
| Smoking statusb | ||||
| Never | Reference | Reference | ||
| Past | –0.01 (–0.23, 0.22) | 0.939 | –0.05 (–0.21, 0.10) | 0.529 |
| Current | 0.11 (–0.05, 0.26) | 0.179 | 0.08 (–0.03, 0.19) | 0.168 |
| Diabetes history | –0.19 (–0.53, 0.14) | 0.257 | –0.22 (–0.46, 0.01) | 0.060 |
| Education length (years)b | ||||
| 0 | Reference | Reference | ||
| 0–5 | 0.18 (0.06, 0.29) | 0.003 | 0.06 (–0.02, 0.14) | 0.135 |
| > 5 | 0.28 (0.16, 0.41) | < 0.001 | 0.02 (–0.07, 0.10) | 0.669 |
| BMI baseline (kg/m2)b | ||||
| ≤ 18.09 | –0.03 (–0.15, 0.10) | 0.660 | 0.07 (–0.01, 0.16) | 0.089 |
| 18.09–20.45 | Reference | Reference | ||
| > 20.45 | 0.19 (0.06, 0.31) | 0.003 | –0.07 (–0.16, 0.01) | 0.09 |
| Abbreviations: SBP, systolic blood pressure; DBP, diastolic blood pressure; BMI, body mass index.aWhen one variable was put in the model, all other variables were adjusted in the same model. bCategorized by tertiles. | ||||