Characteristic

Number, n

Correct answer percentage, 95% CI

1. How long does the hepatitis B virus survive in the environment?

177

15.6 [13.7 - 17.7]

2. Are there any adverse effects from overdosing on the hepatitis B vaccine or repeating three doses of the HBV vaccine?

276

24.3 [21.9 - 26.8]

3. Did you know that complete protection comes after three doses of the hepatitis B vaccine?

1083

95.4 [94.2 - 96.6]

4. Do you think the hepatitis B vaccine is effective in preventing the disease?

835

73.6 [70.8 - 76.1]

5. What do you think is the importance of the HBV vaccination?

541

47.7 [44.4 - 50.6]