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Table 4 Multivariate logistic regression analysis of factors associated with HIV and hepatitis C virus (HCV) infections infection among injection drug users in Vinnitsya, Ukraine.

From: HIV and hepatitis C virus infections among hanka injection drug users in central Ukraine: a cross-sectional survey

Variable

Model unit

Adjusted odds ratio

95% confidence interval

p-value

Model: HIV (N = 268)

HIV knowledge (HIV-KQ-45) score

1 score point

1.1

1.04, 1.15

<0.001

Using opiate drugs daily or almost daily in the past year

Yes/no

2.2

1.05, 4.46

0.04

Sharing needles/syringes with HIV positive person in the past year

Yes/no

3.4

1.24, 9.3

0.02

Model: HCV (N = 274)

Frequency of back- or frontloading in the past year

≥1 vs. <1 per month

4.0

1.5, 11.0

<0.01

Days of marijuana use in the past month

1 day of use

0.96

0.93, 0.99

0.02

Ever used drug addiction treatment

Yes/no

2.4

1.3, 4.5

<0.01

  1. Note. Complete participant records from (N = 315) were excluded from the models if any variable was missing.