Table 3.

Demographic characteristics of tuberculosis cases and factors associated with unreported cases

	Total	Reported		Unreported		Bivariate analysis		Multivariate analysis
	N = 592	N = 507		N = 85		OR (95 % CI)	p-value	OR (95 % CI)	p-value
Variables		n	%	n	%
Age (years)
18-30	146	128	87.7	18	12.3	1.19 [0.62-2.27]	0.592
31-50	237	212	89.5	25	10.5	Ref.	Ref.
51-64	62	52	83.9	10	16.1	1.64 [0.71-3.56]	0.238
>65	121	92	76	29	24	2.66 [1.48-4.84]	0.001
Unknown	26	23	88.5	3	11.5	1.15 [0.25-3.66]	0.835
Sex
Male	368	321	87.2	47	12.8	Ref.	Ref.
Female	214	179	83.6	35	16.4	1.34 [0.83-2.14]	0.235
Unknown	10	7	70	3	30	3.00 [0.59-11.5]	0.165
Employment
Employed	205	174	84.9	31	15.1	1.54 [0.70-3.7]	0.296	1.75 (0.74-4.09)	0.197
Unemployed	184	169	91.8	15	8.2	0.77 [0.32-2.02]	0.581	0.88 (0.35-2.23)	0.801
Retired	125	94	75.2	31	24.8	2.84 [1.27-7.04]	0.01	3.04 (1.29-7.18)	0.011
Unknown/On  disability	78	70	89.7	8	10.3	Ref.	Ref.		Ref.
Living situation
With family	423	371	87.7	52	12.3	Ref.	Ref.
Alone	42	33	78.6	9	21.4	1.96 [0.84-4.21]	0.116
In a group	64	53	82.8	11	17.2	1.49 [0.70-2.96]	0.287
Homeless	14	11	78.6	3	21.4	2.01 [0.42-6.81]	0.338
Incarcerated	10	8	80	2	20	1.88 [0.25-7.95]	0.477
Unknown	39	31	79.5	8	20.5	1.86 [0.76-4.12]	0.166
Center of diagnosis
Emergency  Department.	320	283	88.4	37	11.6	Ref.	Ref.
Primary care	113	94	83.2	19	16.8	1.55 [0.83-2.80]	0.163
Specialty clinic	91	76	83.5	15	16.5	1.52 [0.77-2.87]	0.223
Unknown or other	68	54	79.4	14	20.6	1.99 [0.98-3.88]	0.058
Country of origin
Spain	401	334	83.3	67	16.7	Ref.	Ref.
Other	191	173	90.6	18	9.4	0.52 [0.29-0.89]	0.016