Table 1. Baseline characteristics of the study participants.
| Characteristic | Overall
(n= 73,077) |
Normotensive
(n= 55,101) |
Hypertensive
(n= 17,976) |
| Data are presented as n(%) or mean ± SD. BMI: body mass index; DBP: diastolic blood pressure; MET: metabolic equivalent; SBP: systolic blood pressure; TPA: total physical activity. | |||
| Age, yrs | 50.22 ± 11.65 | 48.72 ± 11.54 | 54.81 ± 10.77 |
| Male | 28,790 (39.40%) | 21,205 (38.48%) | 7,585 (42.20%) |
| BMI, kg/m2 | 23.57 ± 3.49 | 23.15 ± 3.31 | 24.85 ± 3.69 |
| Northern | 36,528 (49.99%) | 25,199 (45.73%) | 11,329 (63.02%) |
| Rural area | 65,607 (89.78%) | 49,133 (89.17%) | 16,474 (91.64%) |
| Less than a high school education | 62,375 (85.63%) | 46,336 (84.37%) | 16,039 (89.47%) |
| Smoker | 18,662 (25.62%) | 14,210 (25.88%) | 4,452 (24.84%) |
| Alcohol drinker | 13,496 (18.47%) | 9,581 (17.39%) | 3,915 (21.78%) |
| Diabetes mellitus | 3,414 (4.94%) | 2,135 (4.11%) | 1,279 (7.40%) |
| Dyslipidemia | 23,263 (31.85%) | 16,950 (30.78%) | 6,313 (35.13%) |
| SBP, mmHg | 125.13 ± 19.20 | 117.03 ± 11.49 | 149.94 ± 16.66 |
| DBP, mmHg | 77.70 ± 11.06 | 73.63 ± 7.96 | 90.19 ± 9.82 |
| TPA, MET·h/d | 36.45 ± 23.36 | 37.12 ± 23.33 | 34.38 ± 23.32 |