Table 2.

LTBI status in association with the characteristics of the population.

Characteristic	LTBI+ (N = 523)	%	LTBI− (N = 6519)	%	AOR	95% CI		p
Age (years)
<20	28	1.3%	2089	98.7%	1.00
≥20 and <40	87	5.0%	1664	95.0%	3.90	2.54	6.00	<0.001
≥40 and <60	170	10.4%	1460	89.6%	8.69	5.79	13.03	<0.001
≥60	238	15.4%	1306	84.6%	13.60	9.14	20.24	<0.001
Sex
Male	302	8.6%	3207	91.4%	1.00
Female	221	6.3%	3312	93.7%	0.71	0.59	0.85	<0.001
BMI
<18.5	20	2.4%	807	97.6%	1.00
≥18.5 and <25	162	7.0%	2161	93.0%	1.32	0.81	2.16	0.267
≥25.0 and <30	171	9.2%	1685	90.8%	1.26	0.77	2.08	0.362
≥30	166	8.5%	1787	91.5%	1.19	0.72	1.95	0.500
Country of birth
US	331	3.6%	1429	96.4%	1.00
Others	523	18.8%	6516	81.2%	5.84	4.81	7.08	<0.001
Race
Non-Hispanic White	76	3.3%	2255	96.7%	1.00
Non-Hispanic Black	123	6.5%	1783	93.5%	2.91	2.15	3.93	<0.001
Mexican American	80	8.9%	814	91.1%	6.01	4.25	8.48	<0.001
Other Hispanic	93	12.6%	646	87.4%	6.17	4.44	8.58	<0.001
Other race—including multi-racial	151	12.9%	1021	87.1%	7.33	5.42	9.91	<0.001
Smoking
Never	289	5.9%	4647	94.1%	1.00
Current smoker	98	9.9%	887	90.1%	1.03	0.80	1.33	0.796
Quitter	136	12.1%	985	87.9%	0.98	0.77	1.23	0.833
Cotinine (ng/mL)
<1	392	7.4%	4880	92.6%	1.00
≥1 and <10	18	4.8%	354	95.2%	0.93	0.56	1.52	0.764
≥10	104	8.3%	1150	91.7%	0.99	0.79	1.25	0.947
Passive smoking in workplace
No	198	8.3%	2194	91.7%	1.00
Yes	34	8.5%	364	91.5%	1.03	0.70	1.54	0.865
Passive smoking inside home
No	467	7.7%	5611	92.3%	1.00
Yes	56	5.9%	889	94.1%	0.77	0.57	1.03	0.077
Passive smoking
No	442	7.6%	5337	92.4%	1.00
Yes	81	6.5%	1170	93.5%	0.85	0.66	1.09	0.205
Household TB contact
No	488	7.2%	6314	92.8%	1.00
Yes	30	15.3%	166	84.7%	1.86	1.23	2.81	0.003
Diabetes status
Normal	246	6.4%	3612	93.6%	1.00
Pre-diabetes	144	10.6%	1219	89.4%	1.10	0.87	1.38	0.434
Diabetes	124	15.6%	672	84.4%	1.43	1.11	1.84	0.005

Footnotes: AORs were adjusted by age and sex (except age and sex themselves).