Treatment group | Control group | Total | ||||
---|---|---|---|---|---|---|
Level 1 | Level 2 | Level 3 | Subtotal | |||
Sex | ||||||
Male | 1,445 (23.5%) | 1,165 (21.4%) | 3,288 (24.2%) | 5,993 (23.3%) | 1,610,861 (41.5%) | 1,616,854 (41.4%) |
Female | 4,700 (76.5%) | 4,283 (78.6%) | 10,319 (75.8%) | 19,699 (76.7%) | 2,266,895 (58.5%) | 2,286,594 (58.6%) |
Age (years, ±S.D.*) | 76.96 (±7.42) | 78.27 (±7.30) | 77.13 (±7.02) | 77.34 (±7.20) | 71.31 (±5.84) | 71.35 (±5.87) |
NHI classification | ||||||
Employee | 4,215 (68.7%) | 3,762 (69.1%) | 9,356 (68.8%) | 17,658 (68.8%) | 2,565,730 (66.3%) | 2,583,388 (66.3%) |
Self- employed | 1,925 (31.4 %) | 1,682 (30.9%) | 4,250 (31.2%) | 8,024 (31.2%) | 1,303,302 (33.7%) | 1,311,326 (33.7%) |
NHI premium (ten thousand KRW, ±S.D.*) | 9.64 (±8.56) | 9.10 (±7.79) | 9.11 (±8.52) | 9.23 (±8.36) | 8.47 (±7.65) | 8.48 (±7.66) |
Residence | ||||||
Large city | 2,801 (45.6 %) | 2,495 (45.8%) | 6,008 (44.2%) | 11,538 (44.9%) | 1,740,988 (45.0%) | 1,752,526 (45.0%) |
Small city | 2,768 (45.1%) | 2,391 (43.9%) | 5,944 (43.7%) | 11,328 (44.1%) | 1,683,043 (43.5%) | 1,694,371 (43.5%) |
Rural | 571 (9.3%) | 558 (10.3%) | 1,654 (12.2%) | 2,816 (11.0%) | 445,001 (11.5%) | 447,817 (11.5 %) |
Number of physician visits (±S.D.*) | 24.79 (±34.81) | 26.92 (±37.62) | 37.97 (±44.20) | 32.37 (±41.16) | 34.76 (±34.80) | 34.74 (±34.85) |
Number of chronic disease (±S.D.*) | 2.26 (±1.56) | 2.23 (±1.62) | 2.31 (±1.57) | 2.28 (±1.58) | 1.49 (±1.34) | 1.50 (±1.34) |
Total | 6,145 (100.0%) | 5,448 (100.0%) | 13,607 (100.0%) | 25,692 (100.0%) | 3,877,756 (100.0%) | 3,903,448 (100.0%) |