Skip to main content
. 2018 Dec 6;13(12):e0208402. doi: 10.1371/journal.pone.0208402

Table 1. Questionnaire items and their sources.

Constructs Question Adapted from
Cues to action
    CA1 I think the screening for HBV infection is a good practice [18]
    CA2 An additional dose (booster) of the vaccine for HepB should be taken when needed [18]
    CA3 I think all members of the family and friends should get the HepB vaccine [18]
Perceived barriers
    PB1 I believe that the vaccination is not effective for me [26]
    PB2 I believe that the HepB vaccination is likely to cause more harm than good [18]
    PB3 I do not have the time to get the vaccination [18]
Perceived benefit
    PBE1 I believe if I get the HepB vaccine, I shall be protected from HBV infection [18]
    PBE2 If I take the HepB vaccine, it will reduce my worry about liver disease [18]
    PBE3 I believe in the effectiveness of the HepB vaccine now [25]
    PBE4 I believe a vaccine for HepB strengthens the immune system against HBV [18]
    PBE5 I believe that getting the HepB vaccine is a good way to protect yourself from HBV infection [25]
Perceived severity
    PSE1 I believe that I am at a higher risk of HBV infection [18]
    PSE2 I believe that my ethnic group is at a higher risk of HBV infection [18]
    PSE3 I believe that HBV infection is a serious disease [18]
    PSE4 I believe that HBV infection leads to death [24]
Perceived susceptibility
    PSU1 I am less likely than most people to get infected with HepB [23]
    PSU2 My body could fight off HBV infection. [23]
    PSU3 I never worry about getting infected with HepB [18]