Table 2.
Bayesian correlation results (r, Bayes Factors10) between Twitter topics and vaccine attitudes and vaccination in all waves.
| Topic probability | September–October |
October–November |
November–February |
February–March |
April–May |
||||
|---|---|---|---|---|---|---|---|---|---|
|
N = 1591–1662 |
N = 1591–1662 |
N = 1591–1662 |
N = 1591–1662 |
N = 881–1091 |
|||||
| Vaccine attitude | Vaccination | Vaccine attitude | Vaccination | Vaccine attitude | Vaccination | Vaccine attitude | Vaccination | Vaccination | |
| September-October | |||||||||
| Negative Vaccine Consequences | 0.03, 0 | −0.03, 0 | 0.02, 0 | 0, 0 | 0.01, 0 | −0.01, 0 | 0.01, 0 | 0, 0 | −0.01, 0 |
| Vaccines Protect Children | −0.01, 0 | 0.01, 0 | −0.04, 0 | −0.04, 0 | −0.01, 0 | 0, 0 | 0.01, 0 | 0.02, 0 | 0.03, 0 |
| Immunization Contributes to Global Health | 0.01, 0 | 0.06, 1 | 0, 0 | −0.01, 0 | −0.02, 0 | −0.02, 0 | −0.03, 0 | −0.02, 0 | −0.04, 0 |
| Vaccine Fraud and Children | 0.01, 0 | −0.02, 0 | 0.02, 0 | 0.02, 0 | 0, 0 | 0.03, 0 | 0.03, 0 | 0.04, 0 | 0.03, 0 |
| Prevention Disease | 0.05, 0 | −0.04, 0 | 0.04, 0 | 0.04, 0 | 0.03, 0 | 0.02, 0 | 0.01, 0 | 0, 0 | −0.01, 0 |
| Doctors Vaccinating Children | −0.05, 0 | 0, 0 | −0.02, 0 | −0.05, 0 | −0.05, 0 | −0.07, 1 | −0.03, 0 | −0.06, 0 | −0.05, 0 |
| Big Pharma | −0.01, 0 | 0.05, 0 | 0, 0 | 0, 0 | 0, 0 | 0.03, 0 | −0.03, 0 | 0, 0 | 0.01, 0 |
| Anti-Vaccine Story | 0, 0 | −0.03, 0 | −0.03, 0 | 0.03, 0 | −0.01, 0 | 0.02, 0 | −0.02, 0 | 0.01, 0 | 0.01, 0 |
| Vaccine Science Matters | 0, 0 | 0.02, 0 | 0.01, 0 | 0.01, 0 | 0.01, 0 | 0.01, 0 | 0, 0 | 0.01, 0 | 0.01, 0 |
| Fighting the Flu during the Flu Season | 0.02, 0 | 0.01, 0 | 0.04, 0 | 0.07, 1 | 0.07, 1 | 0.07, 1 | 0.08, 1 | 0.08, 1 | 0.08, 1 |
| October-November | |||||||||
| Negative Vaccine Consequences | 0.03, 0 | 0.02, 0 | 0.04, 0 | 0.06, 0 | 0.02, 0 | 0.05, 0 | 0.05, 0 | ||
| Vaccines Protect Children | 0, 0 | −0.04, 0 | 0.01, 0 | 0, 0 | 0, 0 | 0, 0 | −0.01, 0 | ||
| Immunization Contributes to Global Health | −0.02, 0 | −0.01, 0 | −0.02, 0 | −0.03, 0 | −0.04, 0 | −0.04, 0 | −0.06, 0 | ||
| Vaccine Fraud and Children | 0.05, 0 | 0.05, 0 | 0.07, 0 | 0.06, 0 | 0.08, 0 | 0.08, 0 | 0.08, 0 | ||
| Prevention Disease | −0.01, 0 | 0.01, 0 | 0, 0 | −0.02, 0 | 0, 0 | −0.01, 0 | −0.02, 0 | ||
| Doctors Vaccinating Children | 0.03, 0 | 0.06, 0 | 0.05, 0 | 0.08, 0 | 0.08, 0 | 0.06, 0 | 0.07, 0 | ||
| Big Pharma | 0.02, 0 | −0.02, 0 | 0.02, 0 | −0.02, 0 | 0.03, 0 | 0.02, 0 | 0.02, 0 | ||
| Anti-Vaccine Story | −0.02, 0 | 0.01, 0 | −0.02, 0 | −0.03, 0 | −0.02, 0 | −0.04, 0 | −0.05, 0 | ||
| Vaccine Science Matters | 0, 0 | −0.03, 0 | −0.01, 0 | −0.05, 0 | −0.04, 0 | −0.06, 0 | −0.04, 0 | ||
| Fighting the Flu during the Flu Season | −0.04, 0 | −0.03, 0 | −0.07, 0 | −0.05, 0 | −0.09, 0 | −0.06, 0 | −0.05, 0 | ||
| November–February | |||||||||
| Negative Vaccine Consequences | −0.06, 0 | −0.05, 0 | −0.05, 0 | −0.06, 0 | −0.06, 0 | ||||
| Vaccines Protect Children | 0.04, 0 | 0, 0 | 0.05, 0 | 0, 0 | 0, 0 | ||||
| Immunization Contributes to Global Health | 0.03, 0 | 0.04, 0 | 0.01, 0 | 0.04, 0 | 0.05, 0 | ||||
| Vaccine Fraud and Children | −0.06, 1 | −0.06, 1 | −0.05, 0 | −0.07, 1 | −0.06, 0 | ||||
| Prevention Disease | 0.01, 0 | 0.01, 0 | 0.02, 0 | 0.01, 0 | 0.01, 0 | ||||
| Doctors Vaccinating Children | −0.01, 0 | 0.01, 0 | −0.04, 0 | −0.01, 0 | −0.02, 0 | ||||
| Big Pharma | 0.03, 0 | −0.01, 0 | 0.05, 0 | 0, 0 | 0.01, 0 | ||||
| Anti-Vaccine Story | −0.03, 0 | −0.02, 0 | −0.04, 0 | −0.03, 0 | −0.04, 0 | ||||
| Vaccine Science Matters | 0.06, 1 | 0.01, 0 | 0.09, 3* | 0.02, 0 | 0.01, 0 | ||||
| Fighting the Flu during the Flu Season | −0.01, 0 | 0.03, 0 | −0.01, 0 | 0.05, 0 | 0.05, 0 | ||||
| February–March | |||||||||
| Negative Vaccine Consequences | −0.02, 0 | −0.03, 0 | −0.01, 0 | ||||||
| Vaccines Protect Children | 0.05, 0 | 0.05, 0 | 0.05, 0 | ||||||
| Immunization Contributes to Global Health | 0.05, 0 | 0.05, 0 | 0.05, 0 | ||||||
| Vaccine Fraud and Children | 0.01, 0 | −0.01, 0 | 0.01, 0 | ||||||
| Prevention Disease | −0.07, 0 | −0.04, 0 | −0.01, 0 | ||||||
| Doctors Vaccinating Children | 0.01, 0 | −0.02, 0 | −0.02, 0 | ||||||
| Big Pharma | −0.1, 6* | −0.06, 0 | −0.05, 0 | ||||||
| Anti-Vaccine Story | −0.02, 0 | −0.06, 0 | −0.06, 0 | ||||||
| Vaccine Science Matters | −0.01, 0 | 0.02, 0 | 0.01, 0 | ||||||
| Fighting the Flu during the Flu Season | 0.01, 0 | 0.04, 0 | 0.02, 0 | ||||||
* BF10 > 3.2, ** BF10 > 10, *** BF10 > 32, **** BF10 > 100.