Clustering of Mycobacterium tuberculosis Cases in Acapulco: Spoligotyping and Risk Factors

Table 5

Bivariate analysis of conventional TB risk factors, contrasting clustered and nonclustered cases.

Variable		Clustered		Not clustered		OR	95% CI
		𝑁	%	𝑛	%
Sex	Male	135	80.6	32	19.4	1.60	0.87–2.2
	Female	72	72.7	27	27.3	1
Age	<30 years	55	76.4	17	23.6	0.91	0.48–1.72
	≥30 years	150	78.1	42	21.9	1
Marital status	Single	65	83.3	13	16.4	1.64	0.83–3.2
	Married	140	75.3	46	24.7	1
Education	No formal studies	39	72.2	15	27.8	0.67	0.34–1.33
	Formal study	166	79.4	43	20.6	1
Occupation	Unemployed	70	74.5	24	25.5	0.76	0.40–1.43
	Employed	135	79.4	35	20.6	1
Ethnicity	Indigenous	19	73.1	7	26.9	0.75	0.28–2.08
	Mestizo	189	78.4	52	21.6	1
Migration	Yes	99	76.2	31	23.8	0.82	0.45–1.47
	No	105	79.5	27	20.5	1
Area of residence	Urban	153	78.5	42	21.5	1.19	0.59–2.37
	Rural	52	75.4	17	24.6	1
Duration of residence	≥17 years	123	79.4	32	20.6	1.09	0.59–2.0
	<17 years	74	77.9	21	22.1	1
Number of residents per household	≥6 persons	70	72.9	26	27.1	0.66	0.37–1.19
	<6 persons	135	80.4	33	16.6	1
Use of alcohol	Yes	67	75.3	22	24.7	0.82	0.45–1.50
	No	137	78.7	37	21.3	1
Concomitant illness	Yes	94	77.7	27	23.3	1.02	0.55–1.91
	No	111	77.6	32	23.4	1
Spouse with TB	Yes	15	71.4	6	28.6	0.66	0.24–1.85
	No	113	79.0	30	21.0	1