Impact of a multi-component antenatal vaccine promotion package on improving knowledge, attitudes and beliefs about influenza and Tdap vaccination during pregnancy

ABSTRACTObjective: Understanding whether interventions designed to improve antenatal vaccine uptake also change women's knowledge about vaccination is critical for improving vaccine coverage. This exploratory study evaluates the effectiveness of a multi-component influenza and tetanus, diphtheria, and acellular pertussis (Tdap) vaccine promotion package on improving women's knowledge, attitudes and beliefs toward antenatal vaccination. Study Design: In 2012/2013 a cluster-randomized trial was conducted to test the effectiveness of a vaccine promotion package on improving antenatal vaccine coverage. Participants included 325 unvaccinated pregnant women from 11 obstetric practices in Georgia. Eleven health beliefs measures were assessed at baseline and 2–3 months post-partum. Outcomes were differences in proportions of women citing favorable responses to each measure between study groups at follow-up. Results: Women enrolled in their third trimester had a higher probability of asking family members to vacci...