Table 2.
Data quality, acceptability and internal consistency of COVID-19 health literacy questionnaire (CHL-Q)
| CHL-Q items | Mean | Median | SD | Skewness | Min | Max | Floor effect % | Ceiling effect % | Item-total corrected correlation | Cronbach’s alpha if item deleted |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. Find information about symptoms of COVID-19 | 3.24 | 3.00 | 0.76 | − 0.81 | 1 | 4 | 2.6 | 41.1 | 0.60 | 0.86 |
| 2. Find out about political decisions on restrictions related to coronavirus/COVID-19 | 3.11 | 3.00 | 0.76 | − 0.58 | 1 | 4 | 2.9 | 32.0 | 0.66 | 0.85 |
| 3. Find out what to do in case you suspect you have COVID-19 | 3.05 | 3.00 | 0.78 | − 0.57 | 1 | 4 | 3.8 | 29.5 | 0.61 | 0.85 |
| 4. Understand what authorities say about the coronavirus/ COVID-19 | 2.95 | 3.00 | 0.89 | − 0.52 | 1 | 4 | 7.3 | 30.0 | 0.64 | 0.85 |
| 5. Understand what authorities say about coronavirus/ COVID-19 restrictions and recommendations | 3.14 | 3.00 | 0.80 | − 0.68 | 1 | 4 | 3.6 | 36.5 | 0.68 | 0.85 |
| 6. Judge if the information about coronavirus/COVID-19 in the media is reliable | 2.58 | 3.00 | 0.92 | − 0.06 | 1 | 4 | 12.8 | 17.2 | 0.49 | 0.87 |
| 7. Judge when you need to go to the doctor for non-COVID-19 related problems | 2.91 | 3.00 | 0.82 | − 0.29 | 1 | 4 | 4.2 | 25.9 | 0.58 | 0.86 |
| 8. Follow the recommendations on how to protect yourself from coronavirus/COVID-19 | 3.27 | 3.00 | 0.72 | − 0.77 | 1 | 4 | 2.0 | 40.9 | 0.64 | 0.85 |
| 9. Decide when to stay at home from social activities/ work/school, and when not to | 3.04 | 3.00 | 0.80 | − 0.51 | 1 | 4 | 3.7 | 30.9 | 0.58 | 0.86 |
| CHL-Q index | 33.90 | 33.33 | 9.40 | − 0.42 | 0 | 50 | 0.6 | 6.2 | – | 0.87* |
*Cronbach’s alpha the full scale