Basal characteristics of the study population according to sex (N=35,478)
| Variables | Total | Male | Female |
|---|---|---|---|
| Total | 35,478 | 17,338 | 18,140 |
| Age (y) | 60.3±12.5 | 57.8±12.3 | 62.7±12.2 |
| 20–29 | 277 (0.8) | 194 (1.1) | 83 (0.5) |
| 30–39 | 1,669 (4.7) | 1,208 (7.0) | 461 (2.5) |
| 40–49 | 5,566 (15.7) | 3,266 (18.8) | 2,300 (12.7) |
| 50–59 | 9,656 (27.2) | 5,022 (29.0) | 4,634 (25.6) |
| 60–69 | 10,227 (28.8) | 4,777 (27.6) | 5,450 (30.0) |
| 70–79 | 6,137 (17.3) | 2,319 (13.4) | 3,818 (21.1) |
| ≥80 | 1,946 (5.5) | 552 (3.2) | 1,394 (7.7) |
| Disability severity | |||
| No disability | 32,082 (90.4) | 15,554 (89.7) | 16,528 (91.1) |
| Mild disability | 644 (1.8) | 351 (2.0) | 293 (1.6) |
| Severe disability | 2,752 (7.8) | 1,433 (8.3) | 1,319 (7.3) |
| Residential area | |||
| Jongno-gu | 580 (1.6) | 280 (1.6) | 300 (1.7) |
| Jung-gu | 494 (1.4) | 234 (1.4) | 260 (1.4) |
| Yongsan-gu | 875 (2.5) | 406 (2.3) | 469 (2.6) |
| Seongdong-gu | 1,117 (3.2) | 550 (3.2) | 567 (3.1) |
| Gwangjin-gu | 1,220 (3.4) | 606 (3.5) | 614 (3.4) |
| Dongdaemun-gu | 1,300 (3.7) | 605 (3.5) | 695 (3.8) |
| Jungnang-gu | 1,501 (4.2) | 731 (4.2) | 770 (4.2) |
| Seongbuk-gu | 1,721 (4.9) | 828 (4.8) | 893 (4.9) |
| Gangbuk-gu | 1,265 (3.6) | 605 (3.5) | 660 (3.6) |
| Dobong-gu | 1,374 (3.9) | 677 (3.9) | 697 (3.8) |
| Nowon-gu | 2,178 (6.1) | 1,056 (6.1) | 1,122 (6.2) |
| Eunpyeong-gu | 1,716 (4.8) | 833 (4.8) | 883 (4.9) |
| Seodaemun-gu | 1,214 (3.4) | 560 (3.2) | 654 (3.6) |
| Mapo-gu | 1,309 (3.7) | 631 (3.6) | 678 (3.7) |
| Yangcheon-gu | 1,693 (4.8) | 797 (4.6) | 896 (4.9) |
| Gangseo-gu | 1,968 (5.6) | 977 (5.6) | 991 (5.5) |
| Guro-gu | 1,501 (4.2) | 749 (4.3) | 752 (4.2) |
| Geumcheon-gu | 831 (2.3) | 435 (2.5) | 396 (2.2) |
| Yeongdeungpo-gu | 1,474 (4.2) | 732 (4.2) | 742 (4.1) |
| Dongjak-gu | 1,360 (3.8) | 643 (3.7) | 717 (4.0) |
| Gwanak-gu | 1,735 (4.9) | 836 (4.8) | 899 (5.0) |
| Seocho-gu | 1,443 (4.1) | 726 (4.2) | 717 (4.0) |
| Gangnam-gu | 1,915 (5.4) | 975 (5.6) | 940 (5.2) |
| Songpa-gu | 2,164 (6.1) | 1,080 (6.2) | 1,084 (6.0) |
| Gangdong-gu | 1,530 (4.3) | 786 (4.5) | 744 (4.1) |
| Average No. of medications | 3.9±2.0 | 3.8±2.0 | 4.0±2.1 |
| Average No. of diagnoses | 3.2±1.7 | 3.1±1.6 | 3.3±1.7 |
| Income | |||
| 0 (low) | 1,332 (3.8) | 446 (2.6) | 886 (4.9) |
| 1 | 2,411 (6.8) | 990 (5.7) | 1,421 (7.8) |
| 2 | 2,168 (6.1) | 1,118 (6.5) | 1,050 (5.8) |
| 3 | 2,202 (6.2) | 1,121 (6.5) | 1,081 (6.0) |
| 4 | 2,238 (6.3) | 1,117 (6.4) | 1,121 (6.2) |
| 5 | 2,375 (6.7) | 1,203 (6.9) | 1,172 (6.5) |
| 6 | 2,794 (7.9) | 1,400 (8.1) | 1,394 (7.7) |
| 7 | 3,016 (8.5) | 1,514 (8.7) | 1,502 (8.3) |
| 8 | 3,845 (10.8) | 1,874 (10.8) | 1,971 (10.9) |
| 9 | 5,171 (14.6) | 2,528 (14.6) | 2,643 (14.6) |
| 10 (high) | 7,926 (22.3) | 4,027 (23.2) | 3,899 (21.5) |
| Health insurance | |||
| National Health Insurance | 34,146 (96.3) | 16,892 (97.4) | 17,254 (95.1) |
| Medical aid | 1,332 (3.8) | 446 (2.6) | 886 (4.9) |
| Average cost of anti-hypertension drug (KRW) | 509±218 | 536±218 | 484±215 |
| Prescription period (d) | 1,618±634 | 1,579±642 | 1,655±623 |
| Total days supplied (d) | 1,362±687 | 1,324±694 | 1,398±679 |
| Medication possession ratio | 81.8±23.0 | 81.3±23.5 | 82.3±22.5 |
| Proportion of adherent patient | 24,482 (69.0) | 11,840 (68.3) | 12,642 (69.7) |
Values are presented as number only, number (%), or mean±standard deviation.