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Table 3 Multivariable logistic regression on non-injection drug use inside the prisons in the last month among incarcerated people in Iran in 2009, 2013, and 2017

From: Non-injection drug use among incarcerated people in Iran: Findings from three consecutive national bio-behavioral surveys

Variables

Adjusted odds ratio (95% CI)

P-value

Year

2017

Ref

Ref

2013

1.43 (1.25, 1.63)

<0.001

2009

5.60 (4.90, 6.41)

<0.001

Age

< 40

Ref

Ref

30 - 40

1.37 (1.23, 1.54)

<0.001

18 - 29

1.14 (1.02, 1.29)

0.026

Sex

Female

Ref

Ref

Male

3.35 (2.49, 4.49)

<0.001

Education

High school and higher

Ref

Ref

Less than high school

1.31 (1.19, 1.45)

<0.001

History of the previous incarceration

Yes

1.26 (1.16, 1.38)

<0.001

No

Ref

Ref

History of HIV testing

Never

Ref

Ref

Ever

1.76 (1.60, 1.94)

<0.001