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. 2023 Feb 15;19(1):2176083. doi: 10.1080/21645515.2023.2176083
Variable Measure and Items Assessment (score)
Vaccine Literacy functional skills When reading or listening to information about future COVID-19 vaccines or current vaccines:

  1. Did you find words you didn’t know?

  2. Did you find that the texts were difficult to understand?

  3. Did you need much time to understand them?

  4. Did you or would you need someone to help you understand them?

 Ordinal
4 points Likert scale for frequency

  • Often (1)

  • Sometimes (2)

  • Rarely (3)

  • Never (4)
Vaccine Literacy interactive/critical skills When looking for information about future COVID-19 vaccines or current vaccines:

  • (5) Have you consulted more than one source of information?

  • (6) Did you find the information you were looking for?

  • (7) Have you had the opportunity to use the information?

  • (8) Did you discuss what you understood about vaccinations with your doctor or other people?

  • (9) Did you consider whether the information collected was about your condition?

  • (10) Have you considered the credibility of the sources?

  • (11) Did you check whether the information was correct?

  • (12) Did you find any useful information to make a decision on whether or not to get vaccinated?

 Ordinal
4 points Likert scale for frequency

  • Often (4)

  • Sometimes (3)

  • Rarely (2)

  • Never (1)
Beliefs about vaccination How much do you agree with the following statements:

  1. ‘I am not favorable to vaccines because they are unsafe’

  2. ‘There is no need to vaccinate because natural immunity exists’

 Ordinal
4 points Likert scale for agreement

  • Totally (1)

  • A little (2)

  • Partially (3)

  • Not at all (4)
COVID-19 vaccines perceptions and attitudes About future COVID-19 vaccines:

  1. Will be possible to produce safe and efficacious vaccines?

  2. Will you get vaccinated, if possible?

  3. Will Authorities succeed in vaccinating the entire population?

  4. Would you pay a fee to be vaccinated?


Should children be vaccinated too?		 Nominal
YES/NO
Other vaccines behavior About current vaccines:

  1. Have you been vaccinated against flu last season?

  2. Will you get vaccinated against flu this year?

  3. Do you plan to be vaccinated against other infectious diseases?

 Nominal
YES/NO