| Exposure characteristics | Category | Total Contacts (%) | LTBI + (n%) 43 (22.8) | p value |
| Gender | Female | 108 (57.4) | 31 (28.7) | 0.027 |
| Male | 80 (42.6) | 12 (15.0) | ||
| Age Group | 0 - 5 | 10 (5.3) | 0 (0) | 0.132 |
| 6 - 13 | 32 (17) | 5 (15.6) | ||
| 14 - 45 | 115 (61.2) | 28 (24.3) | ||
| 46 - 80 | 31(16.5) | 10 (32.3) | ||
| Family size | 8 member and less | 37 (19.7) | 9 (22.5) | 0.814 |
| more than 8 members | 151 (80.3) | 34 (79.1) | ||
| Chest X-ray | cavity | 48 (25.5) | 14 (29.2) | 0.229 |
| no cavity | 140 (74.5) | 29 (20.7) | ||
| AFB Sputum Smear* | 0 | 63 (33.5) | 9 (14.3) | 0.047 |
| 1+/2+/3+ | 125 (66.5) | 34 (27.2) | ||
| BCG scar | Present | 117 (86.7) | 28 (23.9) | 0.49 |
| Absent | 18 (13.3) | 3 (16.6) |