Fig 1.
Participant flowchart.
Table 1.
Participant characteristics (n = 935).
Fig 2.
Participants’ preferred vaccine message among the six ads*.
* Pearson chi2(20) = 56.8347 Pr = 0.000.
Table 2.
Participant preferences for message aspects across six ads (n = 935).
Table 3.
Relative risk ratios of ad preference by vaccine hesitancy status and participant characteristics using multivariable multinomial logistic regression modeling (n = 900*).
Table 4.
Odds ratios of vaccine hesitancy status by pregnant participant characteristics using logistic regression modeling (n = 441)*.