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Mean item virus and vaccine knowledge difference scores for all timepoints.
| Abbreviated item | Pre (N = 164) | Post (N = 164) | Follow-up (N = 60) |
|---|---|---|---|
| Protection and reduction of COVID-19 transmission | 1.26 | 1.5 | 1.29 |
| How COVID-19 spreads | 1.64 | 1.74 | 1.87 |
| How vaccines work | 1.68 | 1.8 | 1.6 |
| How COVID-19 vaccine works | 1.5 | 1.64 | 1.6 |
| Being cautious in public | 1.61 | 1.7 | 1.77 |
| COVID-19 vaccine side effects | 1.35 | 1.47 | 1.45 |
| COVID-19 vaccine development | 1.26 | 1.5 | 1.29 |
