Table 5 Knowledge on HBV infection and vaccination among healthcare workers at KCMC* Moshi Tanzania 2016/17 (N = 442)

1. HBV can be transmitted through sexual intercourse

80.6

2. HBV can be transmitted through unprotected sex with multiple sexual partner

17.9

3. HBV is the most contagious blood-borne pathogen through accidental exposure to blood and its products

85.9

4. Injury with needle contaminated with infected blood is the risk factor of HBV infection

89.1

5. Contact with broken skin with infected body fluid is a risk factor of HBV infection

83.0

6. Contact to mucous membrane in the eyes or mouth with infected blood is a risk factor of HBV infection

72.8

7. Contact of healthy skin with infected blood or products is a risk factor of HBV infection

32.7

8. HBV infection can be transmitted through oral-fecal route

30.4

9. HBV could be transmitted from a mother to her fetus

65.9

10. Immunoglobulin against HBV can prevent infection after exposure

53.0

11. There is a vaccine which is available against HBV

91.3

12. If Hepatitis B vaccination is taken properly as per protocol, it is more than 95% protective against HBV infection

77.3

13. The minimum numbers of doses for a complete primary HBV vaccination is three doses

63.0

14. An immune response test should be done after HBV vaccination

46.5

15. Antibody titer above 10 IU is the recommended amount which is protective

31.3

16. You can get HBV infection from recombinant HBV vaccination

23.4

Knowledge level

Median (IQR)

(50, 75)

Poor

24.7

Fair

49.6

Good

25.8