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Clinical Trial Summary

Parents use social media as an important parenting tool and source for health information. Using social media data to examine public opinion has had an early impact in public health and in cancer control and prevention efforts, including about the human papillomavirus (HPV) vaccine. A next step in this area of research is to develop and share messages on social media with parents to help inform and educate them about the HPV vaccine - ultimately assisting them with their decision to vaccinate their child. This study will evaluate the efficacy of social media messages through Twitter, using a randomized controlled trial to determine what types of messages resonate with parents. The investigators will examine differences between two types of messages - narrative messages (i.e., stories) and non-narrative messages (i.e., numbers and facts).


Clinical Trial Description

Approximately 80 million people in the United States - or about one in four - are infected with human papillomavirus (HPV). HPV can cause cancer and there are vaccines that protect against cancer-related strains. Evidence supporting vaccine efficacy and safety is robust, and vaccine availability is widespread; however coverage rates continue to fall short of the national goal of 80% (48.6% in 2017). Understanding the barriers to vaccine acceptance, particularly related to parent resistance and their informational needs, is key to strengthening vaccine uptake among adolescents. Communicating evidence to parents and engaging them through narrative strategies may address some of the barriers during the decision-making process. Parents use social media as an important parenting tool and useful source for health information. In 2015, 75% of all parents used social media, and of these 1 in 4 used Twitter - equating to millions of parent users. The investigators know that using social media data for surveillance has had early impact in public health. However, what is not known is the effectiveness of using large-scale social media data to inform a targeted social media intervention to support HPV vaccine uptake. This study will advance the growing field by evaluating the efficacy of an innovative narrative-focused intervention designed to communicate evidence and information about the HPV vaccine for parents who use social media as a health information source. The approach is informed by narrative engagement theory that posits narratives strengthen knowledge and promote engagement through storytelling by tapping into feelings of empathy, identification, and transportation. The investigators will evaluate the efficacy of our Twitter-based pilot intervention in a randomized controlled trial that will enroll 600 parents/caregivers of children ages 9-14, whose child(ren) has not started the vaccine series. Our central hypothesis is that exposure to narrative-focused exemplar messages will lead to greater intention to vaccinate, and subsequently increased rates of vaccination in the intervention group compared to parents in the comparison group, who receive non-narrative HPV vaccine information (i.e., existing HPV vaccine information developed for Twitter). The investigators will use a Twitter-based Community Advisory Board, virtual focus groups, and existing Twitter messages developed by the HPV Roundtable to inform narrative-focused message development. The proposed study will address three specific aims: 1) Develop narrative-focused scientific exemplars for HPV vaccine communication utilizing existing online messages and community engagement on Twitter; 2) Quantify differences in engagement, intention to vaccinate, and self-reported vaccination between parents exposed to the narrative-focused scientific exemplars and parents exposed to non-narrative scientific messages; 3) Collect and analyze longitudinal participant metadata to measure Twitter activity during the study period. This study will impact the field of cancer prevention generally and HPV vaccination specifically by establishing the efficacy of narrative-focused health messaging campaign on social media, using a Twitter-based parent-engagement strategy. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05204030
Study type Interventional
Source University of Arkansas, Fayetteville
Contact Philip M Massey, PhD, MPH
Phone 479.575.8491
Email [email protected]
Status Recruiting
Phase N/A
Start date December 13, 2021
Completion date August 2023

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