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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.