. 2021 Oct 5;16(10):e0247245. doi: 10.1371/journal.pone.0247245

Table 2. Estimated prevalence of TB and its associated risk factors.

	Population	Smear positive TB	Culture positive TB	Bacteriologically positive TB	Prevalence of TB per 100000 pop.			OR (95% CI)	p-value	aOR (95% CI)	p-value
	Population	Smear positive TB	Culture positive TB	Bacteriologically positive TB	Smear positive	Culture positive	Bacteriologically positive	OR (95% CI)	p-value	aOR (95% CI)	p-value
Age
15–34	25938	4	11	12	15	42	46	1		1
35–54	22824	43	73	81	188	320	355	7.79 (3.91–15.16)	<0.001	8.92 (4.37–18.19)	<0.001
≥ 55	13732	34	89	99	248	648	721	15.69 (7.93–31.06)	<0.001	13.54 (6.66–27.51)	<0.001
Gender
Female	32956	10	26	28	30	79	85	1		1
Male	29538	71	147	164	240	498	555	6.57 (4.11–10.50)	<0.001	4.73 (2.91–7.68)	<0.001
BCG Scar
No	37375	51	107	117	136	286	313	1
Yes	25119	30	66	75	119	263	299	0.95 (0.67–1.36)	0.792
BMI
≥18.5	52627	45	91	104	86	173	198	1		1
<18.5	9867	36	82	88	365	831	892	4.55 (3.40–6.07)	<0.001	4.48 (3.26–6.15)	<0.001
Diabetes
No	59818	73	157	176	122	262	294	1		1
Yes	2676	8	16	16	299	598	598	2.04 (1.17–3.56)	0.012	1.67 (0.99–2.83)	0.055
Hypertension
No	59561	76	166	184	128	279	309	1
Yes	2933	5	7	8	170	239	273	0.88 (0.46–1.71)	0.711
History of TB
No	61522	64	151	165	104	245	268	1		1
Yes	972	17	22	27	1749	2263	2778	10.62 (6.55–17.24)	<0.001	3.64 (2.20–6.02)	<0.001
Tobacco smoking
Never	56573	40	97	107	71	171	189	1		1
Current	4848	36	66	75	743	1361	1547	8.29 (5.87–11.71)	<0.001	1.26 (0.83–1.93)	0.281
Past	1073	5	10	10	466	932	932	4.96 (2.78–8.86)	<0.001
No of cigarettes/Beedies per day
Nil	56573	40	97	107	71	171	189	1
1_10	4372	25	46	52	572	1052	1189	6.35 (4.64–8.69)	<0.001
11_20	792	8	11	12	1010	1389	1515	8.12 (4.12–16.01)	<0.001
>20	757	8	19	21	1057	2510	2774	15.06 (8.12–27.91)	<0.001
Alcohol consumption
No	52366	36	93	104	69	178	199	1		1
Current	9115	40	66	74	439	724	812	4.11 (2.88–5.88)	<0.001	1.62 (1.14–2.32)	0.007
Yes	1013	5	14	14	494	1382	1382	7.04 (3.66–13.56)	<0.001
Alcohol consumed (ml)
Nil	52366	52	126	139	99	241	265	1
<200ml	10128	29	47	53	286	464	523	3.02 (2.06–4.43)	<0.001
Type of cooking fuel
Not Applicable	31020	18	50	54	58	161	174	1
Smokeless	16254	39	78	90	240	480	554	3.19 (2.29–4.46)	<0.001
Smoke	15220	24	45	48	158	296	315	1.81 (1.04–3.18)	0.037
Overall	62494	81	173	192	130	277	307