Table 5.

Frequency analysis^c of socio-demographic and clinic factors associated with clonal complexes identified in San Diego County, 2005–2008 N = 368.

Variable	Category	Clonal complex (CC)					X2/Kruskal–Wallis	p
		CC1 (N = 83)	CC2 (N = 154)	CC3 (N = 56)	CC4 (N = 40)	CC5 (N = 49)
Socio-demographic risk factors
Gender	Male	67	81	38	24	70	18.14	0.0012
	Female	16	59	18	16	9
Age	Median age in years	40	54.5	49.5	41	32	29.14a	<0.0001
Country of birth	Foreign-born	48	130	48	26	31	47.83	<0.0001
	US-born	35	10	8	14	18
Country of origin	US	35	10	8	14	18	n/a
	Mexico	39	10	7	26	28
	Philippines	0	119	2	0	1
	Vietnam	0	1	16	0	0
Race/Ethnicity	Asian and native						n/a
	Hawaiian	1	121	38	1	1
	Black	10	1	3	0	2
	White	15	6	5	2	4
	Hispanic	56	12	10	37	42
Injection drug use	No	81	140	56	37	48	n/a
	Yes	2	0	0	3	1
Non-inject drug use	No	67	138	52	33	33		<0.0001b
	Yes	16	2	4	7	16
Excessive alcohol use	No	55	132	50	30	39	33.13	<0.0001
	Yes	28	8	6	10	10
Homeless	No	66	137	53	35	43		<0.0001b
	Yes	16	1	3	5	6
Correction facility	No	71	139	53	33	37	31.81	<0.0001
	Yes	12	1	3	7	12
Unemployed	No	41	74	24	20	23	1.75	0.7812
	Yes	42	66	32	20	26
Clinical risk factors
HIV status	Negative	53	79	43	24	30	39.71	<0.0001
	Positive	13	4	1	9	9
	Unknown	17	57	12	7	10
Previous TB disease	No	78	133	51	35	46		0.5507b
	Yes	5	6	5	4	3
Site of disease	Pulmonary	61	102	38	29	39	10.20	0.2512
	Extrapulmonary	5	16	10	2	2
	Both	17	22	8	9	8
X-ray	Cavitary	19	28	8	6	12	4.97	0.7611
	Non-cavitary	60	99	42	31	35
	Normal	3	11	5	3	2
Treatment outcome	Completed Tx	58	111	50	32	29	n/a
	Died	10	17	0	3	2
	Lost to follow-up	13	10	5	5	8
Days of treatment	Median time in days	195	197.5	245	272.5	190	12.62	0.0133a

n/a Analysis not appropriate as some cells were zero.

^aKruskal–Wallis one-way analysis of variance used.

^bFisher exact test used.

^cFrequencies of categorical variables were compared by X²-test and Fisher’s exact test where noted. Continuous variables were compared by the Kruskal-Wallis one-way analysis of variance where indicated.