Characteristics of participants in the national health screening programme
| Characteristics | Total N=113 302 | Within bandwidth of 6 cm N=51 213 |
| Age, years | 49.4 (44.4–57.4) | 50.0 (44.8–58.4) |
| Female, n (%) | 30 263 (26.7%) | 6111 (11.9%) |
| Waist circumference, cm | 83.5 (77.3–90) | 85.1 (82.5–88) |
| Above the cut-off, n (%) | 46 701 (41.2%) | 24 214 (47.3%) |
| Body mass index* | 23.5 (21.3–25.8) | 24 (22.8–25.3) |
| Systolic blood pressure (SBP), mm Hg | 124 (113–134) | 125 (115–135) |
| Diastolic blood pressure (DBP), mm Hg | 77 (69–85) | 78 (71–86) |
| Triglyceride, mg/dL | 98 (68–149) | 109 (78–159) |
| High-density lipoprotein (HDL) cholesterol, mg/dL | 60 (50–72) | 57 (49–67) |
| Haemoglobin A1c (HbA1c), % | 5.5 (5.3–5.7) | 5.5 (5.3–5.7) |
| Fasting blood glucose (FBG), mg/dL | 94 (87–102) | 95 (88–103) |
| Current smoking, n (%) | 34 186 (30.2%) | 17 233 (33.7%) |
| Antihypertensive drug, n (%) | 18 414 (16.3%) | 8860 (17.3%) |
| Antidiabetic drug, n (%) | 5241 (4.6%) | 2325 (4.5%) |
| Antihyperlipidemic drug, n (%) | 10 556 (9.3%) | 4987 (9.7%) |
| SBP≥130 mm Hg, DBP≥85 mm Hg or antihypertensive drug | 50 963 (45.0%) | 24 934 (48.7%) |
| FBG≥100 mg/dL, HbA1c≥5.6% or antidiabetic drug | 52 559 (46.4%) | 24 651 (48.1%) |
| Triglyceride≥150 mg/dL, HDL cholesterol<40 mg/dL or antihyperlipidemic drug | 36 613 (32.3%) | 18 842 (36.8%) |
*Calculated as weight in kilograms divided by height in metres squared.