Table 1 Characteristics of study participants (n = 38,807)
Characteristic | Value |
|---|---|
Sex | Â |
 Female | 24,131 (62.2) |
 Male | 14,676 (37.8) |
Age (yr) | 64.8 ± 11.5 |
 20–49 | 3749 (9.7) |
 50–59 | 8969 (23.1) |
 60–69 | 12,137 (31.3) |
 70–79 | 9966 (25.7) |
  ≥ 80 | 3986 (10.3) |
Health insurance scheme | Â |
 Universal health coverage | 27,965 (72.1) |
 Civil servant medical benefit | 9129 (23.5) |
 Social security | 1391 (3.6) |
 Other | 322 (0.8) |
Region | Â |
 Northeast | 8001 (20.6) |
 North | 10,932 (28.2) |
 Central | 13,075 (33.7) |
 South | 6799 (17.5) |
Hospital level | Â |
 Community hospital | 24,080 (62.1) |
 Provincial hospital | 10,969 (28.3) |
 Regional hospital | 3758 (9.7) |
Type 2 diabetes comorbidity | Â |
 No | 26,338 (67.9) |
 Yes | 12,469 (32.1) |
Smoking status | Â |
 Never | 26,570 (68.5) |
 Ex-smoker | 3934 (10.1) |
 Current smoker | 6319 (16.3) |
 Missing | 1984 (5.1) |
Body mass index (kg/m2) | 25.0 ± 4.6 |
  < 30 | 32,133 (82.8) |
  ≥ 30 | 4603 (11.9) |
 Missing | 2071 (5.3) |
Systolic blood pressure (mmHg) | 131.9 ± 15.7 |
  < 140 | 27,178 (70.1) |
  ≥ 140 | 11,584 (29.9) |
Diastolic blood pressure (mmHg) | 75.3 ± 10.9 |
  < 90 | 34,241 (88.2) |
  ≥ 90 | 4500 (11.6) |
No. of antihypertensive medication use (n = 17,963)a | |
 Poly therapy | 3150 (17.5) |
 Dual therapy | 7295 (40.6) |
 Single therapy | 7146 (39.8) |
 No medication use | 372 (2.1) |
Category of antihypertensive medication use (n = 17,963)a | |
 ACEI/ARB only | 2845 (15.8) |
 CCB only | 2889 (16.1) |
 BB only | 741 (4.1) |
 Diuretics only | 602 (3.4) |
 ACEI/ARB + CCB | 3043 (16.9) |
 ACEI/ARB + BB | 1046 (5.8) |
 ACEI/ARB + diuretics | 895 (5.0) |
 CCB + BB | 975 (5.4) |
 CCB + diuretics | 641 (3.7) |
 BB + diuretics | 345 (1.9) |
 ACEI/ARB + BB + CCB | 1363 (7.6) |
 Other | 2578 (14.4) |