| Measure | Wave 1 | Wave 2 | Wave 3 |
|---|---|---|---|
| Domestic passports | |||
| Support for vaccine passports | 0.97 | 0.96 | 0.96 |
| Deontological reasoning | 0.96 | 0.96 | 0.95 |
| Utilitarian reasoning | 0.97 | 0.97 | 0.97 |
| Anger | 0.97 | 0.97 | 0.98 |
| International passports | |||
| Support for vaccine passports | 0.96 | 0.96 | 0.95 |
| Deontological reasoning | 0.95 | 0.95 | 0.95 |
| Utilitarian reasoning | 0.96 | 0.96 | 0.97 |
| Anger | 0.97 | 0.97 | 0.98 |
| Not passport-related | |||
| Vaccine attitudes | 0.97 | 0.97 | 0.95 |
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