Table 1.

Demographic characteristics of residents screened for TB symptoms and symptomatic residents to be evaluated for TB

	Residents screened for TB symptoms				Symptomatic residents to be evaluated for TB*
	Site A n (%)	Site B n (%)	Total n (%)	P(χ2)	Site A n (%)	Site B n (%)	Total n (%)	P(χ2)
Sex				<0.001				0.587
Male	2376 (46.9)	7 334 (51.4)	9 710 (50.2)		307 (57.2)	158 (59.2)	465 (57.8)
Female	2 686 (53.1)	6 938 (48.6)	9 624 (49.8)		230 (42.8)	109 (40.8)	339 (42.2)
Age, years median [IQR]	59 [45–68]	42 [29–57]	46 [31–61]	<0.001†	64 [59–71]	64 [58–72]	64 [58.25–71]	0.250†
Age, years				<0.001				0.145
15–19	228 (4.5)	1 025 (7.2)	1 253 (6.5)		1 (0.2)	0	1 (0.1)
20–29	351 (6.9)	2 597 (18.2)	2 948 (15.3)		6 (1.1)	4 (1.5)	10 (1.2)
30–39	329 (6.5)	2 857 (20.0)	3 186 (16.5)		10 (1.9)	11 (4.1)	21 (2.6)
40–49	774 (15.3)	2 905 (20.4)	3 679 (19.0)		36 (6.7)	23 (8.6)	59 (7.3)
50–59	928 (18.3)	1 852 (13.0)	2 780 (14.4)		96 (17.9)	47 (17.6)	143 (17.8)
60–69	1 429 (28.2)	1 668 (11.7)	3 097 (16.0)		225 (41.9)	89 (33.3)	314 (39.1)
⩾70	1 023 (20.2)	1 368 (9.6)	2 391 (12.4)		163 (30.4)	93 (34.8)	256 (31.8)
Occupation				<0.001				0.218
Farmers	4 914 (97.1)	12 296 (86.2)	17 210 (89.0)		535 (99.6)	263 (98.5)	798 (99.3)
Students	141 (2.8)	787 (5.5)	928 (4.8)		1 (0.2)	2 (0.8)	3 (0.4)
Other	7 (0.1)	1 189 (8.3)	1 196 (6.2)		1 (0.2)	2 (0.8)	3 (0.4)
Symptoms				<0.001
Yes	570	295	865
No	4 492	13 977	18 469
Total	5 062	14 272	19 334		537	267	804

^*61 individuals who were on anti-tuberculosis treatment or had a recent disease diagnosis with signs/symptoms compatible with TB were excluded.

^†t-test.

TB = tuberculosis; IQR = interquartile range.