Volume 15, Number 2—February 2009
Nontuberculous Mycobacteria, Zambia
|Factor||Univariate analysis, OR (95% CI)||Multivariate analysis, OR (95% CI)†|
|Age >25 y||1.3 (0.8–2.5)||NS|
|Sex (female)||1.1 (0.7–1.7)||NS|
|Underweight (BMI <18)||1.6 (1.0–2.7)||1.7 (1.0–2.9)|
|Mycobacterium tuberculosis infection||1.1 (0.6–2.0)||NS|
|Previous treatment for TB||1.7 (0.8–3.7)||NS|
|HIV positive||1.3 (0.8–2.1)||NS|
|Used tap water||2.2 (1.3–3.8)||2.0 (1.1–3.5)|
|Used alcohol||0.9 (0.4–1.9)||NS|
|Used unboiled milk||1.3 (0.7–2.3)||NS|
|Chest radiograph compatible with TB but culture negative for M. tuberculosis||4.7 (1.6–13.9)||NS|
*NTM, nontuberculous mycobacteria; OR, odds ratio; CI, confidence interval; NS, not significant; BMI, body mass index; TB, tuberculosis.
†Stepwise backward elimination.
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