Table 1 Characteristics of the intervention and the control group before and after policy implementation
Pre-implementation period | Post-implementation period | |||||||
|---|---|---|---|---|---|---|---|---|
Control group | Intervention group | Control group | Intervention group | |||||
Total | 14,191 | (80.7) | 3388 | (19.3) | 13,036 | (80.4) | 3184 | (19.6) |
Age | ||||||||
20–29 | 144 | (1.0) | 26 | (0.8) | 94 | (0.7) | 15 | (0.5) |
30–39 | 928 | (6.5) | 193 | (5.7) | 643 | (4.9) | 112 | (3.5) |
40–49 | 3699 | (26.1) | 883 | (26.1) | 2856 | (21.9) | 651 | (20.4) |
50–59 | 7183 | (50.6) | 1780 | (52.5) | 6238 | (47.9) | 1580 | (49.6) |
60–64 | 2237 | (15.8) | 506 | (14.9) | 3205 | (24.6) | 826 | (25.9) |
Sex | ||||||||
Male | 8911 | (62.8) | 2063 | (60.9) | 8252 | (63.3) | 1935 | (60.8) |
Female | 5280 | (37.2) | 1325 | (39.1) | 4784 | (36.7) | 1249 | (39.2) |
Income | ||||||||
Low | 4241 | (29.9) | 1097 | (32.4) | 3536 | (27.1) | 976 | (30.7) |
Middle | 4033 | (28.4) | 1055 | (31.1) | 3544 | (27.2) | 967 | (30.4) |
High | 5219 | (36.8) | 1230 | (36.3) | 5208 | (40.0) | 1239 | (38.9) |
NHI type | ||||||||
Occupational | 8122 | (57.2) | 2016 | (59.5) | 7725 | (59.3) | 1985 | (62.3) |
Regional | 5371 | (37.8) | 1366 | (40.3) | 4563 | (35.0) | 1197 | (37.6) |
Region | ||||||||
Seoul | 2670 | (18.8) | 562 | (16.6) | 2402 | (18.4) | 521 | (16.4) |
Metropolitan | 3782 | (26.7) | 1006 | (29.7) | 3423 | (26.3) | 963 | (30.2) |
Rural | 7739 | (54.5) | 1820 | (53.7) | 7211 | (55.3) | 1700 | (53.4) |
Charlson Comorbidity Index | ||||||||
0 | 711.0 | (5.0) | 149 | (4.4) | 568.0 | (4.4) | 115.0 | (3.6) |
1 | 6765 | (47.7) | 1657 | (48.9) | 6187 | (47.5) | 1604 | (50.4) |
2 | 2573 | (18.1) | 664 | (19.6) | 2363 | (18.1) | 611 | (19.2) |
3+ | 4142 | (29.2) | 918 | (27.1) | 3918.0 | (30.1) | 854.0 | (26.8) |
Disability | ||||||||
No | 12,832 | (90.4) | 3139 | (92.7) | 11,684 | (89.6) | 2940 | (92.3) |
Yes | 1359 | (9.6) | 249 | (7.3) | 1352 | (10.4) | 244 | (7.7) |
Medication | ||||||||
None | 546 | (3.8) | 39 | (1.2) | 476 | (3.7) | 30 | (0.9) |
Insulin only | 183 | (1.3) | 45 | (1.3) | 163 | (1.3) | 36 | (1.1) |
Hypoglycemic agent only | 12,530 | (88.3) | 3147 | (92.9) | 11,544 | (88.6) | 2964 | (93.1) |
Insulin & hypoglycemic agent | 932 | (6.6) | 157 | (4.6) | 853 | (6.5) | 154 | (4.8) |
Complication | ||||||||
No | 8258 | (58.2) | 2050 | (60.5) | 7626 | (58.5) | 1966 | (61.7) |
Yes | 5933 | (41.8) | 1338 | (39.5) | 5410 | (41.5) | 1218 | (38.3) |