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Table 4 Multiple logistic regression analysis of HIV risk factors among 689 male inmates, Bangkok Thailand, 2001–2002.

From: HIV infection and risk factors among Bangkok prisoners, Thailand: a prospective cohort study

Factors Adjusted OR 95% CI p-values
Age 0.99 0.96–1.02 0.480
Injection history*    
   No 1.00   
   Yes 2.30 1.91–2.77 <0.001
History of attending withdrawal    
   Clinic    
   No 1.00   
   Yes 2.00 1.19–3.35 0.009
Positive urine opiate test    
   No 1.00   
   Yes 5.04 2.63–9.67 <0.001
Presence of tattoos on the body    
   No 1.00   
   Yes 1.23 1.01–1.52 0.048
  1. * Injection history included information of injection before or after incarceration, presence or absence of injection scars, history of sharing injection paraphernalia and injection duration.