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. 2004 Jul;42(7):2952–2960. doi: 10.1128/JCM.42.7.2952-2960.2004

TABLE 5.

Risk factors for recent transmission of M. tuberculosis in foreign-born individualsa

Risk factor Odds ratio 95% CI P
History of contact tracing 3.98 1.78-8.89 <0.001
Intravenous drug abuse 3.70 1.38-9.93 <0.01
Alcohol dependence (DSM-IV) 2.82 1.38-5.78 <0.005
Asylum 2.56 1.44-4.57 <0.002
Unemployment 2.31 1.32-4.04 <0.004
a

Independent risk factors for recent transmission were calculated by multiple regression procedures for patients with clustered isolates. CI, confidence interval; DSM IV, Diagnostic and Statistical Manual of Disorders IV.