Table 2.
Baseline characteristics of individuals according to SARS-CoV-2 test result
| Variables | Total (N=212,678) | Negative (N=204,965) | Positive (N=7,713) | p-value | |
|---|---|---|---|---|---|
| Gender | <0.001 | ||||
| Male | 100,038 (47.0) | 96,990 (47.3) | 3,048 (39.5) | ||
| Female | 112,640 (53.0) | 107,975 (52.7) | 4,665 (60.5) | ||
| Age group | <0.001 | ||||
| 20–29 | 39,563 (18.6) | 37,506 (18.3) | 2,057 (26.7) | ||
| 30–39 | 38,809 (18.2) | 37,977 (18.5) | 832 (10.8) | ||
| 40–49 | 32,397 (15.2) | 31,361 (15.3) | 1,036 (13.4) | ||
| 50–59 | 30,660 (14.4) | 29,093 (14.2) | 1,567 (20.3) | ||
| 60–69 | 27,098 (12.7) | 25,899 (12.6) | 1,199 (15.5) | ||
| 70–79 | 22,704 (10.7) | 22,087 (10.8) | 617 (8.0) | ||
| 80+ | 21,447 (10.1) | 21,042 (10.3) | 405 (5.3) | ||
| Region of residence | <0.001 | ||||
| Seoul | 46,419 (21.8) | 45,909 (22.4) | 510 (6.6) | ||
| Daegu | 25,787 (12.1) | 20,751 (10.1) | 5,036 (65.3) | ||
| Gyeonggi-do | 51,314 (24.1) | 50,883 (24.8) | 431 (5.6) | ||
| Gyeongsangbuk-do | 13,276 (6.2) | 12,343 (6.0) | 933 (12.1) | ||
| Other | 75,882 (35.7) | 75,079 (36.6) | 803 (10.4) | ||
| Income level | <0.001 | ||||
| Low | 55,455 (26.1) | 52,692 (25.7) | 2,763 (35.8) | ||
| Medium | 62,938 (29.6) | 60,877 (29.7) | 2,061 (26.7) | ||
| High | 90,717 (42.7) | 87,945 (42.9) | 2,772 (35.9) | ||
| Unknown | 3,568 (1.7) | 3,451 (1.7) | 117 (1.5) | ||
| Insurance type | <0.001 | ||||
| Self-employed | 48,602 (22.9) | 46,554 (22.7) | 2,048 (26.6) | ||
| Employee | 152,225 (71.6) | 147,210 (71.8) | 5,015 (65.0) | ||
| Medical aid | 11,851 (5.6) | 11,201 (5.5) | 650 (8.4) | ||
| Pre-existing mental illness | <0.001 | ||||
| Yes | 59,369 (27.9) | 57,618 (28.1) | 1,751 (22.7) | ||
| No | 153,309 (72.1) | 147,347 (71.9) | 5,904 (77.3) | ||
SARS-CoV-2, severe acute respiratory syndrome coronavirus 2