• Emily R Goggins, Rachel Williams, Tesia G Kim, Jenna C Adams, Miah J Davis, Michelle McIntosh, Michelle Uzor, Franklyn Geary, Denise J Jamieson, and Sheree L Boulet.
• Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA.
• J Womens Health (Larchmt). 2021 Jan 1; 30 (1): 52-60.

Abstract Background: Despite recommendations, maternal influenza vaccine acceptance has stagnated around 50%. Materials and Methods: A prospective cohort study was conducted of pregnant women seen in the clinic from September 2018 to April 2019. Primary outcomes included influenza vaccine uptake and reasons for vaccine refusal, categorized based on the Health Belief Model. We compared characteristics between three vaccination groups (never refused, refused and vaccinated, and refused and not vaccinated) by using chi-square and one-way analysis of variance. We used multivariate logistic regression to calculate adjusted odds ratios (aORs) and 95% confidence intervals (CIs) for associations between patient characteristics and vaccine acceptance. Mixed-effects logistic regression models were used to explore the impact of provider-patient race concordance on influenza vaccine uptake. Results: Among 1666 women, 902 (54.1%) were vaccinated. Of these, 183 (20.3%) initially refused. Those who refused and were never vaccinated were more likely to be non-Hispanic black (aOR: 1.64, 95% CI: 1.05-2.56) and less likely to be Hispanic (aOR: 0.44, 95% CI: 0.24-0.81). Overall, perceived barriers were the most common reason for refusal (52.4%). Women who refused consistently were more likely to cite reasons related to perceived benefits (38.5% vs. 7.6%). Those who eventually accepted were more likely to cite cue to action (22.4% vs. 12.6%). Women who were race discordant with their provider were more likely to be vaccinated compared with those who were race concordant (57.9% vs. 52.9%, aOR: 1.16, 95% CI: 1.07-1.27). Conclusions: Women who refuse influenza vaccination in pregnancy may later choose to be vaccinated. Continued promotion of vaccination throughout pregnancy is crucial for vaccine uptake.

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