| sun exposure | 1 hour/24 hours | 228 | 59.2 | 389.662d | 4 | 0.000 |
| 2 hours/24 hours | 68 | 17.7 | ||||
| 3 hours/24 hours | 46 | 11.9 | ||||
| 4 hours/24 hours | 21 | 5.5 | ||||
| 5 hours/24 hours | 22 | 5.7 | ||||
| BCG Vaccination | no | 318 | 82.6 | 163.639b | 1 | 0.000 |
| yes | 67 | 17.4 | ||||
| family History of TB | no | 348 | 90.4 | 251.223b | 1 | 0.000 |
| yes | 37 | 9.6 |