Risk factors for undiagnosed tuberculosis*.

*Undiagnosed tuberculosis defined as participants fulfilling the case definition of definite or probable tuberculosis. †Numerator (undiagnosed tuberculosis cases) = 34 unless otherwise indicated. ‡Denominator = 929 unless otherwise indicated (10 participants on tuberculosis treatment at enrolment, 39 “possible” tuberculosis cases and 3 participants without sputum cultures at enrolment were excluded). §Adjusted for number of prisoners per cell, smoking history and HIV status; n = 878 for adjusted model; numerator (undiagnosed tuberculosis) = 33 for adjusted model. **Fisher’s exact test. ∫3 participants reporting previous IVDU use excluded from the analysis (1 without sputum culture at enrolment; 2 with possible tuberculosis).TB = Tuberculosis; OR = Odds ratio; CI = Confidence interval.