Parth D Shah1, William A Calo2, Melissa B Gilkey3, Marjorie A Margolis3, Susan Alton Dailey4, Karen G Todd5, Noel T Brewer3. 1. Hutchinson Institute for Cancer Outcomes Research, Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington; Department of Health Behavior, UNC Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Electronic address: pshah@fredhutch.org. 2. Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania; Penn State Cancer Institute, Penn State Hershey Medical Center, Hershey, Pennsylvania. 3. Department of Health Behavior, UNC Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; UNC Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. 4. Department of Health Behavior, UNC Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. 5. Public Health Leadership Program, UNC Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; SAFEchild Advocacy Center, Raleigh, North Carolina.
Abstract
INTRODUCTION: The Announcement Approach using presumptive announcements increases human papillomavirus vaccine uptake. This study seeks to understand the impact of the final Announcement Approach steps-easing parents' vaccine concerns and then encouraging them to get human papillomavirus vaccine for their children-on parents' human papillomavirus vaccine hesitancy and confidence in the vaccine's benefits. METHODS: In 2017-2018, investigators recruited an online national sample of 1,196 U.S. parents of children aged 9-17 years who had not yet completed the human papillomavirus vaccine series. Following the steps of the Announcement Approach, participants viewed brief videos of a pediatrician announcing that a child was due for human papillomavirus vaccine (shown to all the parents). In the 2 × 2 experiment, parents saw (1) a video of the pediatrician attempting to ease a concern that the parent had raised earlier in the survey (Ease video), (2) a video of the pediatrician encouraging the parent to get their child vaccinated (Encourage video), (3) both videos, or (4) neither of the videos. Data analysis was conducted in spring 2020. RESULTS: Seeing the Ease video message led to lower human papillomavirus vaccine hesitancy than not seeing it (mean=2.71, SD=1.29 vs mean=2.97, SD=1.33; p<0.001). The beneficial impact of easing concerns on lower vaccine hesitancy was explained by higher confidence (p<0.05). By contrast, the Encourage video had no impact on human papillomavirus vaccine hesitancy or confidence. CONCLUSIONS: Addressing parents' concerns can decrease human papillomavirus vaccine hesitancy and increase confidence. On the basis of these findings, the Announcement Approach retained its emphasis on announcing that children are due for vaccination and easing parent concerns.
INTRODUCTION: The Announcement Approach using presumptive announcements increases human papillomavirus vaccine uptake. This study seeks to understand the impact of the final Announcement Approach steps-easing parents' vaccine concerns and then encouraging them to get human papillomavirus vaccine for their children-on parents' human papillomavirus vaccine hesitancy and confidence in the vaccine's benefits. METHODS: In 2017-2018, investigators recruited an online national sample of 1,196 U.S. parents of children aged 9-17 years who had not yet completed the human papillomavirus vaccine series. Following the steps of the Announcement Approach, participants viewed brief videos of a pediatrician announcing that a child was due for human papillomavirus vaccine (shown to all the parents). In the 2 × 2 experiment, parents saw (1) a video of the pediatrician attempting to ease a concern that the parent had raised earlier in the survey (Ease video), (2) a video of the pediatrician encouraging the parent to get their child vaccinated (Encourage video), (3) both videos, or (4) neither of the videos. Data analysis was conducted in spring 2020. RESULTS: Seeing the Ease video message led to lower human papillomavirus vaccine hesitancy than not seeing it (mean=2.71, SD=1.29 vs mean=2.97, SD=1.33; p<0.001). The beneficial impact of easing concerns on lower vaccine hesitancy was explained by higher confidence (p<0.05). By contrast, the Encourage video had no impact on human papillomavirus vaccine hesitancy or confidence. CONCLUSIONS: Addressing parents' concerns can decrease human papillomavirus vaccine hesitancy and increase confidence. On the basis of these findings, the Announcement Approach retained its emphasis on announcing that children are due for vaccination and easing parent concerns.
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