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Table 2 Factor associated with LTBI in prison

From: Prevalence of latent tuberculosis infection and feasibility of TB preventive therapy among Thai prisoners: a cross-sectional study

  Univariate Multivariate
OR (95%CI) P-value aOR (95%CI) P-value
Age ≥ 30 years 1.36 (0.97–1.91) 0.07 1.13 (0.79–1.62) 0.49
Body mass index < 18.5 kg/m2 1.38 (0.93–2.03) 0.11   
Duration in prison (years)
  < 5 years Ref   Ref  
 5–9 1.23 (0.94–1.62) 0.13 1.18 (0.89–1.58) 0.25
  ≥ 10 1.90 (1.30–2.79) 0.001 1.86 (1.24–2.79) 0.003
History of previous incarceration 1.58 (1.21–2.07) 0.001 1.61(1.22–2.13) 0.001
History of active TB 3.28 (1.95–5.52) < 0.001 2.77 (1.59–4.82) < 0.001
History of substance abuse 1.23 (0.95–1.59) 0.12   
History of contact TB cases 1.23 (0.86–1.76) 0.26   
HIV co-infection 2.24 (1.03–4.89) 0.04 1.32 (0.55–3.14) 0.54
HBV co-infection 1.20 (0.72–2.02) 0.49   
HCV co-infection 1.39 (0.82–2.39) 0.22