Table 1.
Characteristics of the study participants at baseline and during follow-ups in the longitudinal cohort study.
| Characteristics | Baseline | Follow-up | Follow-up |
|---|---|---|---|
| in 2004 | in 2009 | in 2012 | |
| Gender (M/F) | 267/247 | 208/204 | 185/171 |
| Age (years) | 48.6 ± 19.8 | 53.3 ± 14.2 | 56.6 ± 19.0 |
| Body mass index (kg/m2) | 22.2 ± 3.1 | 22.4 ± 3.3 | 23.6 ± 3.5 |
| SBP (mmHg) | 115.2 ± 17.6 | 120.0 ± 17.3 | 129.6 ± 18.7 |
| DBP (mmHg) | 71.3 ± 10.0 | 75.8 ± 10.4 | 77.9 ± 10.9 |
| MAP (mmHg) | 86.0 ± 11.5 | 90.5 ± 11.7 | 95.1 ± 11.9 |
| Hypertension at baseline (n, %) | 51 (9.9) | – | – |
| Hypertension incidence (n, %)* | – | 77 (18.9) | 103 (28.9) |
Data are expressed as mean ± SD or n, %. SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure.
*
Participants with hypertension at baseline were excluded.