Table 2.
Distribution of tweets by theme.
| Variable/sub-variable | Definition | Count (%) |
|---|---|---|
| Predisposition & Knowledge | ||
| Predisposition | ||
| Mistrust | Tweet critical of such a passport because of a lack of trust in the system or vaccine. This could also include mistrust about fake passports. | 13 (2.8) |
| Conspiracy | Tweets having mention of a conspiracy related to the COVID-19 vaccine or the passport | 9 (1.9) |
| Lack of information/literacy | Tweet indicating the need for further information, or understanding the COVID passport | 7 (1.5) |
| Unknown | Tweets that do not belong to any of the other themes and could not be classified into a meaningful category | 436 (93.7) |
| Knowledge | ||
| Self-Efficacy: Vaccine Passport | Tweet indicates knowledge, confidence, or information of how to get the COVID passport | 108 (23.2) |
| Self-Efficacy: No evidence of | Self-efficacy is not reflected in the tweet | 357 (76.8) |
| Cues to Action | ||
| Cues to Action: Stated | Tweet encourages or implies getting the COVID passport/certificate (can include tweet which indicates if my friends, family, or someone you know are getting the passport; shows approval) | 135 (29) |
| Cues to Action: Not Stated | Tweet does not provide any cues to action | 330 (71) |
| Protests | ||
| Protests: Stated | Tweet supports, shows, or reports demonstration, riots, or protest against the vaccine passport | 47 (10.1) |
| Protests: Not Stated | Twee does not provide any sing of protests | 418 (89.9) |
| Perceived Benefits | ||
| Travel | Tweet highlighting or promoting significance of COVID passport for travelling purposes | 137 (29.5) |
| Social inclusion | Tweet highlighting how COVID19 passport will lead to doing away with social distancing measures thus encouraging normal pre-pandemic social interaction | 20 (4.3) |
| Economic | Tweet highlighting the positive impact of COVID vaccine passport on businesses and economy in general | 18 (3.9) |
| Unknown | Tweets that do not belong to any of the other themes and could not be classified into a meaningful category | 290 (62.4) |
| Perceived Barriers | ||
| Lack of Consensus on a Common Standard | Tweet stating or implying a lack of consensus on a common standard for the COVID-19 passport | 79 (17) |
| Privacy Considerations | Tweet portraying privacy fear, threat, or risk associated with COVID passport | 12 (2.6) |
| Digital Divide | Tweet expressing the issues related to lack of equal access to the vaccine passport | 3 (0.6) |
| Personal Freedoms & Human Rights | Tweet identifying such a passport as a human rights issue that can curtail free movement of people | 46 (9.9) |
| Unknown | Tweets that do not belong to any of the other themes and could not be classified into a meaningful category | 325 (69.9) |