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Table 1 Description of the knowledge variables and definition of correct answers

From: Prevention and care of hepatitis B in the rural region of Fatick in Senegal: a healthcare workers’ perspective using a mixed methods approach

Knowledge questions Possible answers Correct answera
 General knowledge of HBV (natural history and epidemiology)
  What kind of infectious agent causes hepatitis B? Virus Virus
Bacterium  
I do not know  
  What organ is affected by HBV? Liver Liver
Lung  
Stomach  
Heart  
I do not know  
  What complications can be caused by hepatitis B? Liver cancer (yes; no; I do not know) Yes
Cirrhosis (yes; no; I do not know) Yes
  What are the modes of HBVtransmission? Dust (yes; no; I do not know) No
Contaminated water (yes; no; I do not know) No
Perinatal transmission (from mother to child) (yes; no; I do not know) Yes
Breastfeeding (yes; no; I do not know) No
Horizontal transmission (during childhood through contacts with infected blood) (yes; no; I do not know) Yes
Percutaneous transmission or transmission through mucosae (yes; no; I do not know) Yes
Sexual transmission (yes; no; I do not know) Yes
  Is perinatal transmission (from mother-to-child) one of the main modes of transmission in Senegal? Yes Yes
No  
I do not know  
  Are people infected by HBV duringchildhood (< 1 year) going to developchronic infection? Yes, more than 80% of them Yes, more than 80% of them
Yes, approximately 50% of them  
Yes, only 5%  
I do not know  
 Specific knowledge on HBV screening
  What are the priority groups for whichroutine screening of chronic hepatitis B is recommended? Pregnant women (yes; no; I do not know) Yes
Blood donors (yes; no; I do not know) Yes
Health Care Workers (yes; no; I do not know) Yes
HIV-positive patients (yes; no; I do not know) Yes
  What kind of test can be used to screen for HBV in adults and children > 1 year Rapid diagnostic test (yes; no; I do not know) Yes
Laboratory-based immunoassay (yes; no; I do not know) Yes
 Specific knowledge on HBV vaccination
  What are the potential strategies for reducing perinatal transmission? Vaccination at birth (yes; no; I do not know) Yes
Antiviral treatment for the mother (yes; no; I do not know) Yes
Immune globulin administration (yes; no; I do not know) Yes
  When should the first dose of HBV vaccine be administered to children? Within 24 h after birth Within 24 h after birth
Within the first week of life  
At 6 weeks  
At 1 year old  
I do not know  
  In total, how many injections arerequired to immunize children against hepatitis B infection? 1 injection 3 or 4 injections
2 injections  
3 injections  
4 injections  
Other  
I do not know  
 Specific knowledge on HBV treatment
  Is there an effective treatment against chronic hepatitis B infection? Yes Yes
No  
I do not know  
  Which of the following treatments has proven efficacy against chronic hepatitis B infection? Lamivudine (yes; no; I do not know) Yes
Tenofovir (yes; no; I do not know) Yes
Traditional treatment (yes; no; I do not know) No
  How long does antiviral therapy against chronic hepatitis B infection continue? 1 week For life
A month  
For life  
I do not know  
  1. HBV hepatitis B virus
  2. a All answers other than the correct one were recoded as incorrect