Research Article

Awareness and Vaccine Coverage of Hepatitis B among Cameroonian Medical Students

Table 3

Knowledge on hepatitis B virus infection and vaccine.

CharacteristicYes (%)No (%)Don’t know (%)

Knowledge on HBV and Vaccine
HBV can be caused by bacteria (N=706)24 (3.40)674 (95.47)8 (1.13)
HBV is contagious (N=708)552 (77.97)138 (19.49)18 (2.54)
HBV carrier may look healthy without showing any symptoms of the disease (N=712)628 (88.20)46 (6.46)38 (5.34)
HBV can be lethal (N=712)670 (94.10)32 (4.49)10 (1.40)
Patients can spread HBV to health care workers (N=710)660 (92.96)34 (4.79)16 (2.25)
Health care workers can spread HBV to patients (N=704)630 (89.49)42 (5.97)32 (4.55)
HBV vaccination is not for all people (N=700)172 (24.57)482 (68.86)46 (6.57)
HBV vaccination does not cause hepatitis (N=700)456 (65.14)190 (27.14)54 (7.71)
HBV vaccination can prevent hepatitis (N=708)668 (94.35)30 (4.24)10 (1.41)
HBV vaccination does not increase the risk for complications (N=698)498 (71.35)106 (15.19)94 (13.47)
HBV vaccination is contraindicated in pregnancy (N=700)186 (16.57)240 (34.29)274 (39.14)
The HBV vaccine has 3 doses (N=694)474 (68.30)28 (4.03)192 (27.67)
Knowledge on route of transmission of HBV
Broken skin in contact with saliva contaminated with blood of HBV pos patient (N=706)636 (90.08)38 (5.38)32 (4.53)
Broken skin in contact with blood of HBV pos patients (N=710)650 (91.55)36 (5.07)24 (3.38)
Broken skin in contact with saliva of HBV pos patients (N=696)484 (69.54)138 (19.38)74 (10.63)
Intact skin with HBV pos patient (N=702)78 (11.11)562 (80.06)62 (8.83)
Intact skin with intact skin of HBV pos patient (N=704)86 (12.22)564 (80.11)54 (7.67)
Needle stick injury (N=698)584 (83.67)64 (9.17)50 (7.16)
Aerosol produced by a hand piece (N=688)94 (13.66)394 (57.27)200 (29.07)

N: Number of participants with the available information on the variable, HBV: hepatitis B virus, pos: positive.