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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