Table 1.
Description of study population
| Variable | N = 2004 | % |
|---|---|---|
| Age (years) | ||
| > 25 | 253 | 12.6 |
| 25-35 years | 481 | 24.0 |
| 35-45 years | 571 | 28.5 |
| 45-55 years | 507 | 25.3 |
| > 55 years | 192 | 9.6 |
| Gender | ||
| Female | 1548 | 77.2 |
| Male | 456 | 22.8 |
| Country of birth | ||
| Germany | 1667 | 83.2 |
| Foreign-born | 337 | 16.8 |
| TB in own history | ||
| Yes | 24 | 1.2 |
| No | 1980 | 98.8 |
| BCG vaccination | ||
| Yes | 905 | 45.2 |
| No | 1099 | 54.8 |
| Profession | ||
| Nurse | 1087 | 54.2 |
| Physician | 281 | 14.0 |
| Trainee | 110 | 5.5 |
| Therapist | 66 | 3.3 |
| Administration | 92 | 4.6 |
| Ancillary nursing staff | 30 | 1.5 |
| Cleaning staff | 79 | 3.9 |
| Social workers/auxiliary | 102 | 5.1 |
| Radiology staff | 28 | 1.4 |
| Laboratory staff | 70 | 3.5 |
| Other | 59 | 2.9 |
| Workplace | ||
| Admission ward | 138 | 6.9 |
| Infection ward | 303 | 15.1 |
| Geriatric care | 309 | 15.4 |
| Radiology/Laboratory/Pathology | 176 | 8.8 |
| Administration | 75 | 3.7 |
| Intensive care | 213 | 10.6 |
| Clinic ward | 721 | 36.0 |
| Other | 69 | 3.4 |
| History of TST | ||
| Negative TST in history | 1017 | 50.7 |
| Positive TST in history | 480 | 24.0 |
| No TST | 507 | 25.3 |