General clinical data of subjects (baseline characteristics)
| Object of study | Observation group (n=403) | Control group (n=565) | P value* |
| Male, n (%) | 186 (46.2) | 249 (44.1) | 0.521 |
| Smoking, n (%) | 125 (31.0) | 147 (26.0) | 0.088 |
| Excessive drinking, n (%) | 77 (19.1) | 85 (15.0) | 0.095 |
| Balanced diet, n (%) | 273 (67.7) | 388 (68.7) | 0.759 |
| Regular exercise, n (%) | 302 (74.9) | 409 (72.4) | 0.376 |
| Overweight or obese, n (%) | 217 (53.8) | 295 (52.2) | 0.616 |
| Chronic stress, n (%) | 98 (24.3) | 113 (20.0) | 0.109 |
| Family history of hypertension, n (%) | 161 (40.0) | 254 (45.0) | 0.121 |
| The diagnosis was more than 1 cases of hypertension related secondary diseases and/or type 2 diabetes and/or dyslipidaemia, n (%) | 203 (50.4) | 302 (53.5) | 0.344 |
| Type 2 diabetes, n (%) | 137 (34.0) | 205 (36.3) | 0.463 |
| Dyslipidaemia, n (%) | 103 (25.6) | 121 (21.4) | 0.132 |
| Coronary heart disease, n (%) | 67 (16.6) | 84 (14.9) | 0.457 |
| Chronic renal insufficiency, n (%) | 114 (28.3) | 158 (28.0) | 0.912 |
| Cardiac insufficiency, n (%) | 48 (11.9) | 73 (12.9) | 0.640 |
| Stroke, n (%) | 24 (6.0) | 31 (5.5) | 0.756 |
Excessive drinking, including dangerous drinking (male: 41–60 g/day; female: 21–40 g/day) and harmful drinking (male: >60 g/day; female: >40 g/day); balanced diet, the diet is dominated by fruits, vegetables, low-fat dairy products, whole grains rich in edible fibre and plant-derived protein, and reduce the intake of saturated fat and cholesterol; regular exercise, in addition to the activities of daily life, moderate intensity sports (such as walking, jogging, cycling, swimming) are accumulated for 30–60 min every day 4–7 days a week; overweight or obese, overweight: BMI≥24 kg/m2, obese: BMI≥28 kg/m2; chronic stress, psychological abnormalities such as anxiety, worry, tension, anger, panic or fear, lasting for more than 1 month.
*Comparison of data between observation group and control group: Pearson’s Χ2 test.
BMI, body mass index.