Fig 1.
Timeline of study procedures.
Fig 2.
Example intervention content: Digital newsletters about adult RSV vaccine.
Fig 3.
Visualization of age and random assignment in pre- and post-intervention surveys.
Table 1.
Sample description.
Table 2.
Mean (SD) of outcomes at pre-intervention and post-intervention, by group.
Table 3.
Difference-in-differences poisson regression results for vaccine knowledge outcomes: incidence rate ratios (CIs) for incorrect responses.
Table 4.
Difference-in-differences OLS regression results for vaccine attitude outcomes: Coefficients (CIs) for Attitude Scale.
Table 5.
Difference-in-differences logistic regression results for vaccine behaviors: Predicted probabilities (CIs).