Table 1.
Characteristics of 446 participants with positive and negative TST results
| Characteristics | TST Positive N (row %) |
TST Negative N (row %) |
Total N (column %) |
|
|---|---|---|---|---|
| Age in Years median (IQR) | 35 (27–45) | 29 (22–38) | 32 (23–41) | |
| Age group | 0–14 | 9 (18.7) | 39 (81.3) | 48 (10.8) |
| 15–24 | 20 (26.3) | 56 (73.7) | 76 (17.0) | |
| 25–34 | 45 (30.6) | 102 (69.4)_ | 147 (33.0) | |
| 35–44 | 37 (45.1) | 45 (54.9) | 82 (18.4) | |
| ≥45 | 42 (45.2) | 51 (54.8) | 93 (20.8) | |
| Sex | Female | 86 (32.2) | 181 (67.8) | 267 (60.4) |
| Male | 65 (37.1) | 110 (62.9) | 175 (39.6) | |
| HIV status | Positive | 23 (32.9) | 47 (67.1) | 70 (18.1) |
| Negative | 115 (36.3) | 202 (63.7) | 317 (81.9) | |
| BMI (kg/m2) median (IQR) | 25 (21–29) | 23 (20–29) | 24 (20–29) | |
| BMI categories | Normal/underweight | 70 (34.8) | 131 (65.2) | 201 (49.9) |
| Overweight | 39 (41.5) | 55 (58.5) | 94 (23.3) | |
| Obese | 37 (34.3) | 71 (65.7) | 108 (26.8) | |
| Anaemia | Anaemic | 51 (32.3) | 107 (67.7) | 158 (35.4) |
| Non-anaemic | 102 (35.4) | 186 (64.6) | 288 (64.6) | |
| Education level | ≤ Primary | 44 (40.0) | 66 (60.0) | 110 (28.1) |
| ≥ Secondary | 100 (35.4) | 181 (64.6) | 281 (71.9) | |
| Employment status | Unemployed | 96 (36.8) | 165 (63.2) | 261 (66.6) |
| Employed | 48 (36.6) | 83 (63.4) | 131 (33.4) | |
| Marital status | Not living with a partner | 34 (29.6) | 81 (70.4) | 115 (61.6) |
| Living with a partner | 75 (44.4) | 94 (55.6) | 169 (38.4) | |
| Household contact with TB | Yes | 14 (58.3) | 10 (41.7) | 24 (6.2) |
| No | 129 (35.3) | 236 ((64.7) | 365 (93.8) | |
| Smoking | No | 101 (35.0) | 188 (65.0) | 289 (73.7) |
| Yes | 43 (41.8) | 60 (58.2) | 103 (26.3) | |
| Alcohol consumption | No | 87 (35.2) | 160 (64.8) | 247 (62.7) |
| Yes | 57 (38.8) | 90 (61.2) | 147 (37.3) | |
| Household ventilation | Always/Only when warm | 13 (50.0) | 13 (50.0) | 26 (6.6) |
| (sleep with window open) | Never/No windows | 131 (35.6) | 237 (64.4) | 368 (93.4) |
| Household SES | Low | 43 (29.9) | 101 (70.1) | 144 (34.0) |
| Medium | 50 (33.8) | 98 (66.2) | 148 (35.0) | |
| High | 51 (38.9) | 80 (61.1) | 131 (31.0) | |
| Household exposure to | No | 115 (36.4) | 200 (63.6) | 315 (79.9) |
| secondary smoking | Yes | 29 (36.7) | 50 (63.3) | 79 (20.1) |
| Household number of | <3 | 102 (31.3) | 224 (68.7) | 326 (73.1) |
| rooms | ≥3 | 51 (42.5) | 69 (57.5) | 120 (26.9) |
| Household density | Low (<300/km2) | 53 (34.0) | 103 (66.0) | 156 (35.0) |
| Medium (300–600/km2) | 56 (38.9) | 88 (61.1) | 144 (32.3) | |
| High (>600/km2) | 44 (30.1) | 102 (69.9) | 146 (32.7) |