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. Author manuscript; available in PMC: 2017 Jun 2.
Published in final edited form as: Eur Respir J. 2010 Dec 9;38(1):139–146. doi: 10.1183/09031936.00137710

TABLE 4.

Association between latent tuberculosis (TB) infection (LTBI) and two measures of smoking

LTBI versus no LTBI/TB# Unadjusted OR (95% CI) Adjusted OR (95% CI)
Cotinine levels
 <15 ng·mL−1 1.0 (ref.) 1.0 (ref.)
 ≥15 ng·mL−1 0.83 (0.30–2.25) 0.64 (0.14–2.79)
Self-reported smoking
 Never 1.0 (ref.) 1.0 (ref.)
 Ever 0.69 (0.21–2.26) 0.59 (0.08–4.40)

Ref.: reference value.

#

: LTBI (n=86) and no LTBI/TB (n=22);

: adjusted for age, sex, alcohol abuse and socioeconomic and HIV status.