Variables | n | % |
---|---|---|
Subjects, total | 143 | 100 |
Sex | ||
Male | 44 | 30.8 |
Female | 99 | 69.2 |
Age categorized* | ||
18 to 39 years | 84 | 58.7 |
40 to 49 years | 36 | 25.2 |
≥ 50 years | 23 | 16.1 |
Duration of employment in health care* | ||
1 to 5 years | 35 | 24.5 |
6 to 10 years | 25 | 17.5 |
11 to 20 years | 50 | 35.0 |
21 to 42 years | 33 | 23.1 |
Foreign country of birth† | ||
Yes | 25 | 17.5 |
No | 118 | 82.5 |
Birth in high burden country‡ | 4 | 2.8 |
BCG vaccination | ||
Yes | 73 | 51.0 |
No | 56 | 39.2 |
unknown | 14 | 9.8 |
Cumulative exposure time | ||
≤ 1 hour | 76 | 53.1 |
> 1 to 8 hours | 42 | 29.4 |
> 8 to 40 hours | 21 | 14.7 |
> 40 hours | 4 | 2.8 |
Close contact | 82 | 57.3 |
Prior TST | 117 | 81.8 |
Positive prior TST result | 45 | 38.5 |
TST >5 mm induration | 40 | 28.0 |
TST >10 mm induration | 28 | 19.6 |
Positive QFT-GIT result | 13 | 9.1 |
Health care professions | ||
Nursing | 49 | 34.3 |
Physician | 24 | 16.8 |
Other | 70 | 49.0 |
Affiliation with Pulmonary Care | 18 | 12.6 |
Own history of TB | 1 | 0.7 |
Family history of TB | 8 | 5.6 |