Table 1.
Vaccine attitudes by highest-probability assignment latent class. Top panel reports mean scores from a five-point Likert agree-disagree scale for each of the latent classes with each country weighted equally. Higher values reflect more pro-vaccine attitudes with reverse coded items indicated with an asterisk. Bottom panel reports the percentage in each class for each country (percentages should be read horizontally)
| Strongly support | Support w/concerns | Vaccine hesitant | Anti-vax | Measurement error | |
|---|---|---|---|---|---|
| Getting vaccines is a good way to protect children from disease. | 4.93 | 4.23 | 3.30 | 1.98 | 4.80 |
| Generally I do what my doctor recommends about vaccines. | 4.70 | 3.90 | 3.09 | 1.88 | 4.46 |
| New vaccines are recommended only if they are safe. | 4.57 | 3.85 | 3.14 | 2.11 | 4.53 |
| I am concerned about serious side effects of vaccines.* | 3.88 | 2.73 | 1.84 | 1.57 | 1.85 |
| Some vaccines cause autism in healthy children.* | 4.58 | 3.46 | 2.70 | 2.10 | 2.74 |
| Parents should have the right to refuse vaccines required for schools for any reason.* | 4.24 | 3.14 | 2.04 | 1.53 | 2.18 |
| Vaccinations are one of the most significant achievements in improving public health. | 4.88 | 4.08 | 3.14 | 1.76 | 4.76 |
| Class Membership by Country | |||||
| USA (n = 4612) | 34% | 26% | 23% | 7% | 10% |
| UK (n = 4550) | 45% | 31% | 11% | 3% | 10% |
| Canada (n = 4089) | 41% | 28% | 15% | 7% | 9% |