Table 2.
Recall, sentiment and willingness scores of each of the visual stimuli groups
| Subgroups (N) |
Treatment conditions | ||||||
|---|---|---|---|---|---|---|---|
| Total (4099) |
Control (1009) |
EU CDC (628) |
WHO (526) |
SMOH (639) |
BIT (606) |
UK Gov (661) |
|
| Recall items | |||||||
| Should cover nose | 87.0 | 85.3 | 86.2 | 84.7 | 90.9 | 87.5 | 87.3 |
| Should cover chin | 53.1 | 50.9 | 54.0 | 52.5 | 64.3 | 60.4 | 38.7 |
| Take off by ears | 66.3 | 65.2 | 62.3 | 71.4 | 74.5 | 73.8 | 52.5 |
| Avoid touching front after putting on | 69.5 | 67.8 | 71.5 | 80.9 | 59.6 | 65.3 | 72.5 |
| Wash hands if using | 71.2 | 67.9 | 69.6 | 77.3 | 70.0 | 75.3 | 70.2 |
| Should cover the neck | 4.2 | 5.7 | 4.6 | 4.0 | 2.8 | 4.0 | 3.6 |
| Should cover the forehead | 4.2 | 5.8 | 5.6 | 3.8 | 2.0 | 3.8 | 3.5 |
| Should fit loosely | 11.5 | 13.9 | 10.5 | 10.3 | 10.3 | 10.1 | 12.1 |
| Pull down mask to cough or sneeze | 11.1 | 16.3 | 11.9 | 9.2 | 6.4 | 10.1 | 9.2 |
| Average recall score (SD) | 7.16 (1.62) | 6.97 (1.69) | 7.11 (1.69) | 7.40 (1.61) | 7.38 (1.45) | 7.34 (1.59) | 6.93 (1.55) |
| Sentiment items | |||||||
| Easy to understand | 87.3 | NA | 85.2 | 86.7 | 91.7 | 89.9 | 83.1 |
| Trustworthy | 85.5 | NA | 85.0 | 86.3 | 90.3 | 86.5 | 79.7 |
| Confidence about mask-wearing | 83.3 | NA | 80.4 | 84.4 | 85.8 | 86.8 | 79.7 |
| Less anxious about coronavirus | 49.6 | NA | 48.3 | 50.4 | 50.4 | 51.5 | 47.5 |
| Right amount of information | 87.5 | NA | 88.0 | 83.0 | 90.0 | 92.0 | 85.0 |
| Average sentiment score (SD) | 3.93 (1.24) | NA | 3.86 (1.26) | 3.91 (1.31) | 4.08 (1.13) | 4.06 (1.13) | 3.75 (1.33) |
|
Willingness Would use masks |
87.0 | 88.2 | 86.0 | 88.9 | 86.7 | 87.1 | 84.4 |
Values refer to percentages of each group. NA not applicable. For recall items, participants were awarded one point if they answered “yes” for item 1 ~ 5, and “no” for item 6 ~ 9