| Baseline characteristics | Contacts Number(%) positive | COR (95% CI) | AOR (95% CI) |
| Sex | |||
| Male | 36 (78.3) | Reference | |
| Female | 28 (66.7) | 0.56 (0.21 - 1.43) | |
| Age | |||
| 15 - 30 | 38 (70.4) | Reference | |
| 31 - 45 | 15 (78.9) | 1.58 (0.45 - 5.50) | |
| >45 | 11 (73.3) | 1.16 (0.32 - 4.18) | |
| BCG scar | |||
| Yes | 35 (89.7) | Reference | Reference |
| No | 18 (50.0) | 0.11 (0.03 - 0.39) | 0.09 (0.02 - 0.46) |
| Indeterminate | 11 (84.6) | 0.63 (0.10 - 3.91) | 0.31 (0.03 - 3.12) |
| BMI in Kg/m2 | |||
| <18.5 | 14 (82.4) | Reference | |
| 18.5 - 24.99 | 46 (69.7) | 0.49 (0.13 - 1.91) | |
| ≥25 | 4 (80.0) | 0.86 (0.07 - 10.67) | |
| Alcohol consumption | |||
| Yes | 23 (79.3) | Reference | |
| No | 34 (69.4) | 0.59 (0.19 - 1.75) | |
| Smoking | |||
| Yes | 10 (90.9) | Reference | |
| No | 47 (70.2) | 0.24 (0.03 - 1.96) | |
| Chewing khat | |||
| Yes | 9 (81.8) | Reference | |
| No | 48 (71.6) | 0.56 (0.11 - 2.84) | |
| IFN-g level (IU/ml) | |||
| ≥ 0.35 | 55 (91.7) | Reference | Reference |
| <0.35 | 8 (32.0) | 0.04 (0.01 - 0.15) | 0.03 (0.01 - 0.15) |