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.

^aof 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.

^bon treatment for active TB when the study sputum specimen was obtained.

^cprior treatment for active TB but not on TB treatment when the study sputum specimen was obtained.