Table 1.
Demographic characteristics, current disease and medication of the participants
| Variable | Total (n=28 924) |
| Age (years) | 37.82±9.27 |
| 20–29 | 5308 (18.35) |
| 30–39 | 12 338 (42.66) |
| 40–49 | 8019 (27.72) |
| 50–59 | 2674 (9.24) |
| 60–69 | 584 (2.02) |
| ≥70 | 1 (0.00) |
| Gender | |
| Male | 15 749 (54.45) |
| Female | 13 175 (45.55) |
| Academic degree | |
| Junior college | 225 (0.78) |
| Bachelor | 12 704 (43.92) |
| Master | 10 580 (36.58) |
| Doctor | 2905 (10.04) |
| Post-doctor | 412 (1.42) |
| Others | 2098 (7.25) |
| Hospital level | |
| Primary | 381 (1.32) |
| Secondary | 10 823 (37.42) |
| Tertiary | 17 375 (60.07) |
| Others | 345 (1.19) |
| Professional title | |
| General physician | 4230 (14.62) |
| Healer | 540 (1.87) |
| Resident physician | 966 (3.34) |
| Attending physician | 13 448 (46.49) |
| Associate chief physician | 4674 (16.16) |
| Chief physician | 2279 (7.88) |
| Others | 2787 (9.64) |
| BMI (kg/m2) | 22.35±2.51 |
| <18.5 | 1475 (5.10) |
| 18.5–23.9 | 19 304 (66.74) |
| ≥24 | 8145 (28.16) |
| Current disease | |
| Coronary heart disease | 1760 (6.08) |
| Heart failure | 554 (1.92) |
| Diabetes | 598 (2.07) |
| Stroke/transient ischaemic attack | 167 (0.58) |
| Chronic kidney disease | 409 (1.41) |
| Peripheral vascular disease | 431 (1.49) |
| Hypertension | 7319 (25.30) |
| Medication | |
| Antihypertensive drugs | 2323 (8.03) |
| Antidiabetic drugs | 574 (1.98) |
| Lipid-lowering drugs | 1223 (4.23) |
Data are expressed as mean±SD or n (%).
BMI, body mass index.