Characteristics | Overall (n=210) | Control (n=107) | Intervention (n=103) |
Demographic characteristics | |||
Males, n (%) | 103 (49.0) | 52 (48.6) | 51 (49.5) |
Age at recruitment, mean (SD), year | 54.3 (7.8) | 54.5 (7.8) | 54.1 (7.8) |
Education more than high school, n (%) | 56 (26.7) | 27 (25.2) | 29 (28.2) |
Insurance in Shenzhen, n (%) | 120 (57.1) | 60 (56.1) | 60 (58.3) |
Modifiable CVD risk factors | |||
BMI, mean (SD), kg/m2 | 25.2 (3.2) | 24.7 (3.0) | 25.7 (3.3) |
Systolic blood pressure, mean (SD), mmHg | 133.4 (12.2) | 132.5 (12.4) | 134.6 (11.9) |
Diastolic blood pressure, mean (SD), mmHg | 88.0 (9.4) | 87.0 (9.5) | 89.0 (9.2) |
Total cholesterol, mean (SD), mmol/l | 5.3 (1.0) | 5.3 (0.9) | 5.3 (1.0) |
10-year CVD risk estimated, median (IQR), % | 7.0 (4.0, 11.0) | 7.0 (4.0, 12.0) | 7.0 (4.0, 11.0) |
Family history | |||
Hypertension, n (%) | 161 (76.7) | 81 (75.7) | 80 (77.7) |
CVD history, n (%) | 23 (11.0) | 11 (10.3) | 12 (11.8) 2 |
Medical history related to hypertension | |||
Types of medicine taken, median (IQR) | 1.0 (1.0, 2.0) | 1.0 (0.3, 2.0) | 1.0 (1.0, 2.0) |
Types of antihypertensive medicine taken median (IQR) | 1.0 (1.0, 2.0) | 1.0 (1.0, 2.0) | 1.0 (1.0, 1.5) |
Years since hypertension diagnosed, median (IQR), year | 4.7 (2.2, 10.2) | 5.3 (2.4, 10.1) | 4.2 (2.0, 10.1) |
Years of taking antihypertensive medicines, median (IQR), year | 4.1 (1.8, 9.7) | 4.8 (1.9, 9.8) | 3.1 (1.5, 7.9) |
Knowledge about CVDs | |||
Correctly answered all questions, n (%) | 19 (9.1) | 10 (9.4) | 9 (8.8) |
Self-estimated 10 year CVD risk, median (IQR), % | 50.0 (50.0, 75.0) | 50.0 (30.0, 70.0) | 60.0 (50.0, 80.0) |
Self-estimated absolute risk reduction by antihypertensive medicines, median (IQR), % | 30.0 (20.0, 40.0) | 30.0 (20.0, 37.5) | 30.0 (20.0, 50.0) |
History of antihypertensive treatment | |||
Taking medications, n (%) | 131 (62.4) | 63 (58.9) | 68 (66.0) |
Good adherence, n (%) | 91 (43.4) | 43 (40.2) | 48 (46.6) |
CVD-related lifestyle factors | |||
Smoking, n (%) | 31 (14.8) | 20 (18.7) | 11 (10.7) |
Alcohol drinking, n (%) | 31 (14.7) | 12 (11.2) | 19 (18.4) |
Physical exercise, n (%) | 142 (67.6) | 76 (71.0) | 66 (64.1) |
High salt intake, n (%) | 56 (32.6) | 26 (29.5) | 30 (35.7) |
High fat intake, n (%) | 43 (25.3) | 18 (20.5) | 25 (30.5) |
BMI, body mass index; CVD, cardiovascular disease; IQR, interquartile range; SD, standard deviation.