Table 1. Baseline characteristics of 6893 study participants.
Characteristic | N | % | |
Male sex | 6469 | 93.9 | |
Race | Black/African | 6758 | 98.0 |
White/European | 107 | 1.6 | |
Mixed race | 28 | 0.4 | |
Median age (IQR) in years | 43 (34, 49) | ||
HIV status by participant verbal report | ‘Positive’ | 602 | 8.7 |
‘Negative’ | 3455 | 50.1 | |
‘Don’t know’ | 99 | 1.4 | |
Missinga | 2737 | 39.7 | |
Symptoms | Cough ≤2 weeks | 91 | 1.3 |
Cough >2 weeks | 138 | 2.0 | |
Night sweats | 226 | 3.3 | |
Weight loss | 106 | 1.5 | |
Current and prior TB treatment | Current TB treatmentb | 60 | 0.9 |
Prior TB treatmentc | 833 | 12.1 | |
No history of current or prior TB treatment | 5994 | 87.0 | |
Unknown | 6 | 0.09 |
Abbreviation: IQR, interquartile range.
of these, 2613 reported never having had an HIV test, 122 had an HIV test but were not willing to disclose results, and 2 had missing data.
on treatment for active TB when the study sputum specimen was obtained.
prior treatment for active TB but not on TB treatment when the study sputum specimen was obtained.