Table. 1.
Table. 1.
Baseline characteristics of study population
| Participants (N=2,186) | |
|---|---|
| Age (year), median (range) | 41.3 (20-68) |
| 20-29 | 279 (12.8) |
| 30-39 | 623 (28.5) |
| 40-49 | 862 (39.4) |
| 50-59 | 382 (17.5) |
| ≥60 | 40 (1.8) |
| Gender; Female | 1448 (66.2) |
| Smoking status | |
| Never smoker | 1487 (79.7) |
| Ex-smoker (quit ≥1 year) | 214 (11.5) |
| Current smoker | 164 (8.8) |
| Health care professions | |
| Physicians | 224 (10.2) |
| Nurses | 638 (29.2) |
| Ancillary staff | 770 (35.2) |
| Technician_Laboratory Rad | 147 (6.7) |
| Administrative | 407 (18.6) |
| Work duration (month), median (IQR) | 213.1 (108.0-296.5) |
| <12 month | 189 (8.6) |
| 12-<60 month | 277 (12.7) |
| 60-<120 months | 151 (6.9) |
| 120-<240 months | 522 (23.9) |
| 240-<360 months | 852 (39.0) |
| >-360 months | 194 (8.9) |
| Findings on chest X-ray | |
| No active lung lesion | 1757 (98.6) |
| Previously healed TB | 25 (1.4) |
| Active TB | 0 |
Abbreviation: IQR, interquartile range.
Korean J healthc assoc Infect Control Prev 2020;25:46~53 https://doi.org/10.14192/kjicp.2020.25.1.46
© Korean J healthc assoc Infect Control Prev