Table 1.

Socio-demographic and clinical characteristics of 199 smear-negative TB suspects

	n	%
Age, years, median [IQR]	36 [30– 44]
Female sex	113	57
Nationality
South African	138	69
Zimbabwean	43	22
Other	16	8
Employed	108	54
Monthly household income, US$, median [IQR]	261 [131–392]
History of anti-tuberculosis treatment	35	18
HIV status
Infected	144	72
Non-infected	40	20
Unknown/refused	15	8
Among HIV infected (n = 144)
CD4 count, cells/mm3, median [IQR]	198 [89–333]
On ART at first TB suspect visit	37	26
On cotrimoxazole prophylaxis	96	67

TB = tuberculosis; IQR = interquartile range; HIV = human immunodeficiency virus; ART = antiretroviral therapy.