Table 1.

Association between socio-demographic characteristics and tobacco use among presumptive tuberculosis patients at a tertiary care hospital, India, 2013.

Characteristics	Total	Tobacco use	Relative risk (95% CI)	No. needed to screen
	424 (100)	176 (41.5)		2
Age (y)
18–29	101 (23.8)	15 (14.9)	1	7
30–44	96 (22.6)	29 (30.2)	2.0 (1.2–3.6)	3
45–59	151 (35.6)	80 (53.0)	3.6 (2.2–5.8)	2
≥ 60	76 (18.0)	52 (68.4)	4.6 (2.8–7.5)	2
Sex
Female	176 (41.5)	21 (11.9)	1	8
Male	248 (58.5)	155 (62.5)	5.2 (3.5–7.9)	2
Education
Class > 10	72 (17.0)	9 (12.5)	1	8
Class 6–10	161 (38.0)	61 (37.9)	3.0 (1.6–5.8)	3
Class 1–5	88 (20.8)	45 (51.1)	4.1 (2.2–7.8)	2
No formal education	103 (24.2)	61 (59.2)	4.7 (2.5–8.9)	2

Data are presented as n (%) unless otherwise indicated.

CI = confidence interval.