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. 2021 Sep 3;9(9):985. doi: 10.3390/vaccines9090985

Table 2.

Construct, convergent, internal consistency, floor and ceiling effects of Coronavirus-related health literacy (n = 387).

HLS-COVID-Q22
Factor loading values * Component 1
  1. find information about the coronavirus on the internet? 0.57
  2. find information on the internet about protective behaviors that can help to prevent infection with the coronavirus? 0.66
  3. find information in newspapers, magazines and on TV about behaviors that can help to prevent infection with the corona-virus? 0.64
  4. find out information how to recognize if I am likely to be infected with the coronavirus? 0.72
  5. find information on how to find professional help in case of coronavirus infection? 0.78
  6. find information on how I much I am at risk for infection with coronavirus? 0.75
  7. understand your doctor’s, pharmacist’s or nurse’s instructions on protective measures against coronavirus infection? 0.71
  8. understand recommendations of authorities regarding protective measures against coronavirus infection? 0.67
  9. understand advice from family members or friends regarding protective measures against coronavirus infection? 0.76
  10. understand information in the media on how to protect myself against coronavirus infection? 0.72
  11. understand risks of the coronavirus that I find on the internet? 0.77
  12. understand risks of the coronavirus that I find in newspapers, magazines or on TV? 0.77
  13. judge if information on coronavirus and the coronavirus epidemic in the media is reliable? 0.73
  14. judge which behaviors are associated with higher risk of coronavirus infection? 0.77
  15. judge what protective measures you can apply to prevent a coronavirus infection? 0.81
  16. judge how much I am at risk for a coronavirus infection? 0.72
  17. judge if I have been infected with coronavirus? 0.60
  18. decide how you can protect yourself from coronavirus infection based on information in the media? 0.76
  19. follow instructions from your doctor or pharmacist regarding how to handle the coronavirus situation? 0.73
  20. use information the doctor gives you to decide how to handle an infection with coronavirus? 0.73
  21. use media information to decide how to handle an infection with coronavirus? 0.77
  22. to behave in a way to avoid infecting others? 0.73
Percentage of variance, % 52.3%
Item-scale convergent validity, mean of Rho (range) 0.72 (0.60–0.79)
Internal consistency, Cronbach’s alpha 0.96
Floor effects, % 0.00
Ceiling effect, % 5.90

Abbreviations: HLS-COVID-Q22, coronavirus-related health literacy; Rho, Spearman’s correlation coefficient. * Principal component analysis using Promax rotation method.