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Impact of visit characteristics on intention to recommend HPV vaccine
An experiment with US health care professionals
Kong, W. Y., Queen, T. L., O'Shea, N. G., Heisler-MacKinnon, J., Liu, A., Ozawa, S., Brewer, N. T., & Gilkey, M. B. (2024). Impact of visit characteristics on intention to recommend HPV vaccine: An experiment with US health care professionals. Preventive Medicine, 179, Article 107841. https://doi.org/10.1016/j.ypmed.2023.107841
OBJECTIVE: Presumptive recommendations that assume parents want to vaccinate can increase human papillomavirus (HPV) vaccine uptake. We sought to examine how visit characteristics affect health care professional's (HCP) intention to use this evidence-based recommendation style.
METHODS: In 2022, we conducted an online experiment with 2527 HCPs who had a role in adolescent vaccination in the United States. Participants read 1 of 8 randomly assigned vignettes about a well-child visit. Using a 2 × 2 × 2 between-subjects factorial design, the vignettes varied the following visit characteristics: patient age (9 vs. 12-year-old), prior parental vaccine refusal (yes vs. no), and time pressure on the HCP (low vs. high). HCPs reported on their intention to use a presumptive HPV vaccine recommendation, as well as on related attitudes, subjective norms, and self-efficacy. Analyses used 3-way analysis of variance and parallel mediation.
RESULTS: Participants were pediatricians (26%), family/general medicine physicians (22%), advanced practitioners (24%), and nursing staff (28%). Overall, about two-thirds of HCPs (64%) intended to use a presumptive recommendation. Intentions were higher for older children (b = 0.23) and parents without prior vaccine refusal (b = 0.39, both p < 0.001). Time pressure had no main effect or interactions. HCPs' attitudes and self-efficacy partially mediated effects of patient age and prior vaccine refusal (range of b = 0.04-0.28, all p < 0.05).
CONCLUSION: To better support visits with younger children and parents who have refused vaccines, HCPs may need more training for making presumptive recommendations for HPV vaccine. Reinforcing positive attitudes and self-efficacy can help HCPs adopt this evidence-based recommendation style.
