| Variables | Number of subject with LTBI | LTBI Prevalence % |
P value |
|---|---|---|---|
| Subjects | 77/3622 | 2.1 | - |
| Age | - | - | - |
| 40 years old | 27/2627 | 0.4 | 0.01 |
| ≥40 years old | 24/993 | 5.2 | |
| Sex | - | - | - |
| Male | 38/1295 | 2.9 | 0.05 |
| Female | 39/2327 | 1.7 | |
| Country of birth | - | - | - |
| Italy | 69/3471 | 1.9 | 0.01 |
| Foreign country | 8/151 | 5.3 | |
| Job category | - | - | - |
| Nurse | 36/652 | 5.5 | 0.01 |
| Other professions | 41/2970 | 1.5 |