Table 2.
General, demographic and clinical information of household contacts.
| Variable | All HCCs (n=289) | Comparison according to TB diagnosis |
|||
|---|---|---|---|---|---|
| Confirmed TB (n=6) | Without TB (n=283) | p-value | RR (95% CI) | ||
| Gender in % (n) | 0.153 | ||||
| Female | 54.3 (157) | 83.3 (5) | 53.7 (152) | ||
| Male | 45.7 (132) | (1) | 46.3 (131) | ||
| Median age (IQR) in years | 18 (10−30) | 25.5 (6.6−29) | 18 (10−30) | 0.855 | |
| Age groups (years) in % (n) | 0.622 | ||||
| <18 | 48.1 (139) | 33.3 (2) | 48.4 (137) | ||
| 18-65 | 48.1 (139) | 66.7 (4) | 47.7 (135) | ||
| >65 | 3.8 (11) | (0) | 3.9 (11) | ||
| Previous TB treatment in % (n) | 0.138 | ||||
| Yes | 2.4 (7) | (1) | 2.1 (6) | ||
| No | 97.6 (282) | 83.8 (5) | 97.9 (277) | ||
| HHC investigation at HH visits | 0.906 | ||||
| Both visits | 58.1 (168) | 50.0 (3) | 58.3 (165) | ||
| 1st visit only | 41.5 (120) | 50.0 (3) | 41.3 (117) | ||
| 2nd visit only | (1) | (0) | (1) | ||
| Symptoms of possible TB in % (n) | |||||
| >1 symptom present | 14.5 (42) | 83.3 (5) | 13.1 (37) | <0.001* | 29.4 (3.5; 245.5) |
| Night sweats | 15.6 (45) | 83.3 (5) | 14.1 (40) | <0.001* | 27.1 (3.2; 226.6) |
| Cough >2 weeks duration | 14.5 (42) | 50.0 (3) | 13.8 (39) | 0.042* | 5.9 (1.2; 28.2) |
| Low grade fever | 13.5 (39) | 66.7 (4) | 12.4 (35) | 0.004* | 12.8 (2.4; 67.7) |
| Hemoptysis | 5.2 (15) | 33.2 (2) | 4.6 13) | 0.033* | 9.1 (1.8; 46.0) |
| Loss of appetite | 4.8 (14) | 33.2 (2) | 4.2 (12) | 0.029* | 9.8 (2.0; 49.1) |
| Weight loss | 3.1 (9) | 33.3 (2) | 2.5 (7) | 0.012* | 15.6 (3.3; 74.2) |
| Swelling of lymph nodes | (1) | (0) | (1) | 0.979 | |
| Risk factors for TB / chronic diseases in % (n) | |||||
| No known risk factors | 95.2 (275) | 83.3 (5) | 92.6 (262) | 0.398 | |
| Chronic disease present | 4.8 (14) | (0) | 4.9 (14) | 0.576 | |
| Regular alcohol consumption | 2.4 (7) | 16.7 (1) | 2.1 (6) | 0.022* | 8.1 (1.1; 60.2) |
| Regular tobacco smoking | 1.0 (3) | (0) | 1.1 (3) | 0.800 | |
HHCs = household contacts; TB = tuberculosis; RR = relative risk, CI = confidence interval IQR = interquartile range; HH = household;