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Table 3 Analysis of Pre and posttest changes of answers

From: Community-based HCV screening: knowledge and attitudes in a high risk urban population

Knowledge related questions Pre-test Post-test p-value
% correct % correct (McNemar)
How do you think people get HCV?    
  Having sex? 56% 84% <0.0001
  Shooting up (injecting) drugs? 90% 98% 0.001
  Using public toilets? 60% 95% <0.0001
  Sharing supplies for snorting drugs? 54% 85% <0.0001
  Coughing/sneezing on someone? 52% 94% <0.0001
  Getting a homemade tattoo? 89% 97% 0.0074
What makes HCV worse for the people who have it?    
  Drinking coffee? 45% 86% <0.0001
  Drinking alcohol? 82% 96% <0.0001
  HIV infection? 82% 89% 0.121
  Being obese? 33% 80% <0.0001
Does everyone who has HCV need treatment? 10% 81% <0.0001
How many people who get treated for HCV get cured? 33% 90% <0.0001
Attitude related questions Pre-test % answered yes Post-test % answered yes p-value (McNemar)
Would you want to be tested for HCV, if when you tested positive you could get free treatment? 99% 100% 1.0
Would you still want to be tested, if you were told you could not be offered treatment? 90% 90% 1.0
Would you still want to be tested if you were told you could not be offered treatment, but you could get free vaccines against HAV/HBV? 95% 96% .727
Would you still want to be tested if you were told you could not be offered treatment, but you could get lifestyle advice on how to stay healthy with HCV? 96% 95% 1.0
Do you want free HCV testing in your community? 99% 97% 0.25
Do you think other people would want free HCV testing? 86% 92% 0.077
Do you think it will be a problem if we tested for HCV in your community but might not be able to offer treatment to everyone who’s positive? 49% 35% 0.019
If people tested positive for HCV, do you think people would do the following if they were told it would help them?    
  Drink less alcohol? 39% 54% 0.003
  Get a shot against HAV/HBV? 83% 86% .383
  Go to the doctor for treatment? 76% 79% .524