Baseline characteristics by TB disease group
| Non-TB n (%) | Asymptomatic TB n (%) | p Value | Overall N (%) | |
| Sex | ||||
| Female | 200 (80) | 15 (83) | 0.732 | 215 (80) |
| Male | 50 (20) | 3 (17) | 53 (20) | |
| Previous TB | ||||
| No | 193 (85) | 13 (75) | 0.286 | 205 (84) |
| Yes | 34 (15) | 4 (25) | 38 (16) | |
| BCG scar | ||||
| No | 109 (54) | 10 (59) | 0.699 | 119 (54) |
| Yes | 93 (46) | 7 (41) | 100 (46) | |
| TB contact | ||||
| No | 176 (80) | 13 (76) | 0.756 | 189 (79) |
| Yes | 45 (20) | 4 (24) | 49 (21) | |
| CD4 count | ||||
| <200 | 45 (20) | 7 (39) | 0.055 | 52 (21) |
| ≥200 | 183 (80) | 11 (61) | 194 (79) | |
| Tuberculin skin test | ||||
| <5 mm | 98 (44) | 4 (22) | 0.051 | 102 (42) |
| ≥5 mm | 124 (56) | 14 (78) | 138 (58) | |
| Smoker | ||||
| No | 164 (81) | 12 (75) | 0.546 | 176 (81) |
| Yes | 38 (19) | 4 (25) | 42 (19) | |
| Alcohol consumption | ||||
| No | 159 (79) | 11 (65) | 0.183 | 170 (78) |
| Yes | 43 (21) | 6 (35) | 49 (22) | |
| Time in Khayelitsha | ||||
| <6 months | 5 (3) | 0 (0) | 0.212 | 5 (2) |
| 6–12 months | 6 (3) | 2 (12.5) | 8 (4) | |
| 1–5 years | 43 (22) | 2 (12.5) | 45 (21) | |
| >5 years | 140 (72) | 12 (75) | 152 (73) | |
| Medians (IQR) | ||||
| Age | 30 (27–37) | 34 (27–38) | 0.365 | 31 |
| CD4 cell count /mm3 | 322 (225–446) | 249 (170–332) | 0.026 | 312 |
| Body mass index | 26 (22–31) | 24 (23–27) | 0.140 | 26 |
| Days since HIV-1 diagnosis | 319 (17–1118) | 640 (20–1389) | 0.313 | 325 |