Table 1.
Characteristics of the 16 regions in Korea within the study period (January 1, 2017–December 31, 2020).
| Region (shi/do)a | Number of districts (shi/gun/gu)a | Population density (/km2) | Deaths per 100,000 people | Confirmed COVID-19 cases per 100,000 peopleb | Suicide (%)c |
|---|---|---|---|---|---|
| Seoul | 25 | 16,375.8 | 461.4 | 192 | 8511 (4.8) |
| Busan | 16 | 4465.4 | 665.2 | 54 | 3800 (4.3) |
| Daegu | 8 | 2768.7 | 573.5 | 319 | 2596 (4.7) |
| Incheon | 10 | 2826.1 | 516.9 | 94 | 3047 (5.0) |
| Gwangju | 5 | 2936.1 | 530.1 | 73 | 1374 (4.5) |
| Daejeon | 5 | 2743.9 | 449.1 | 57 | 1577 (5.3) |
| Ulsan | 5 | 1086.4 | 406.0 | 58 | 1220 (5.9) |
| Gyunggi | 41 | 1354.3 | 463.6 | 105 | 12,448 (5.2) |
| Gangwon | 18 | 92.7 | 777.1 | 77 | 1994 (4.2) |
| Chungbuk | 11 | 221.1 | 715.0 | 71 | 1866 (4.1) |
| Chungnam | 15 | 292.3 | 745.3 | 71 | 3148 (4.7) |
| Jeonbuk | 14 | 227.3 | 795.9 | 46 | 2116 (3.6) |
| Jeonnam | 22 | 152.6 | 913.6 | 30 | 1998 (2.9) |
| Gyungbuk | 23 | 141.4 | 828.3 | 90 | 3021 (3.4) |
| Gyungnam | 18 | 323.3 | 667.1 | 39 | 3588 (4.0) |
| Jeju | 2 | 377.0 | 591.3 | 60 | 783 (5.0) |
| Korea | 229 | 527.6 | 633.7 | 110 | 53,127 (4.5) |
aThe 16 regions (shi/do) is the first-level administrative region of Korea and the 229 districts (shi/gun/gu) is the second-level administrative region in Korea.
bConfirmed COVID-19 cases per 100,000 people indicates the cumulative COVID-19 confirmed cases during the period January 20–December 31, 2020.
cProportion of suicide was calculated by dividing the number of suicide deaths by the number of total deaths for the study period.