Table 2. Bivariate and multivariate analyses of factors associated with active pulmonary tuberculosis in prisoners in Colombia.

TB case	Crude Odds Ratio	95% CI	Adjusted Odds Ratio*	95% CI
Age (≤24 years) (ref)
Age (>24 years)	1.31	0.75 - 2.29	1.43	0.80 - 2.56
No marijuana user (ref)
Past marijuana users	2.29	1.16 - 4.51	1.70	0.83 - 3.42
Current marijuana users	1.73	0.93 - 3.23	1.47	0.75 - 2.83
History of prior TB	3.81	1.75 - 8.29	3.05	1.37 - 6.74
No contact with a TB case (ref)
No household contact	1.04	0.50 - 2.17	0.95	0.45 - 1.99
Contact with a TB case in the community (outside the prison)	2.89	1.43 - 5.83	2.49	1.21 - 5.10
Contact with an inmate with TB	2.46	1.14 - 5.31	2.10	0.96 - 4.55
Normal weight (ref)
Underweight (BMI <18 kg/m2)	3.07	1.60 - 5.88	2.92	1.50 - 5.68
Overweight (BMI >25 kg/m2)	0.35	0.14 - 0.86	0.39	0.15 - 0.98

^*Adjusted for all other variables listed.

Ref: reference category; BMI: Body Mass Index