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Table 9 Factors significantly associated with the knowledge of the efficacy of HCV treatment in univariate tests and binary logistic regression (forward stepwise selection) among HCV negative respondents

From: Associating conditional cash transfer to universal access to treatment could be the solution to the HCV epidemic among drug users (DUs)

HCV treatment

% treatment

% total

Sig

Odds ratio

95% CI odds ratio

Lower

Upper

Univariate

 GP source

  

0.001

2.545

1.473

4.395

  Yes

39.6

50.4

    

  No

20.5

49.6

    

 GP

  

< 0.0001

2.919

1.700

5.009

  Yes

43.5

40.6

    

  No

20.9

59.4

    

 HBV treatment

  

< 0.0001

3.770

2.176

6.531

  Yes

48.0

36.8

    

  No

19.6

63.2

    

 HBV vaccine

49.6

 

< 0.0001

3.377

1.928

5.915

  Yes

42.4

49.6

    

  No

17.8

50.4

    

Logistic regression

B

Wald

sig

Odds ratio

95% CI odds ratio

Lower

Upper

 GP

− 0.853

8.499

0.004

0.426

0.240

0.758

 GP source

− 0.648

4.720

0.030

0.523

0.291

0.939

 Constant

− 0.088

0.176

0.675

0.916

  
  1. Hosmer and Lemeshow test, 0.104; CC—Knowledge+, 0%; Knowledge−, 100%; all, 69.9%
  2. Logistic regression odds ratios: GP absent/present, GP source: absent/present (266 cases: exclusion of HCV+ DUs)
  3. HCV treatment accurate knowledge of the efficacy of HCV treatment, GP source general practitioner as source of health information, GP medical practice of a general practitioner, HBV treatment knowledge of the efficacy of HBV treatment, HBV vaccine knowledge of the efficacy of HBV vaccine