||5R21CA241518-02 Interpret this number
||Univ Of North Carolina Chapel Hill
||Evaluating the Feasibility of a Mobile Coaching Intervention to Improve HPV Vaccine Delivery
Widespread human papillomavirus (HPV) vaccination could prevent most HPV-related cancers, which
affect over 40,000 people in the United States (US) each year. Despite this potential benefit, HPV vaccine
coverage among adolescents remains low. By 2017, fewer than half (39%) of 13-year-olds had completed the
2-dose series. Research to address low coverage suggests that multi-level interventions targeting provider-
parent communication and clinical environments may be especially effective. Proven intervention strategies
include communication training to improve healthcare providers’ HPV vaccine recommendations, as well as
assessment and feedback on clinics’ HPV vaccine coverage. However, implementing these strategies in real-
world clinical settings remains challenging, in part because existing interventions are constrained by their
reliance on burdensome group-based meetings. New approaches are needed to deliver the comprehensive
training and ongoing data that providers require to adopt and sustain vaccine-related practice improvements.
To address this need, the proposed study will enhance and evaluate Up2Date, an existing, theory-
informed mobile coaching intervention to improve the delivery of HPV vaccine. Up2Date consists of a brief in-
clinic training for healthcare teams, followed by 12 weeks of individualized coaching for providers via a mobile
application (app). Specifically, the app supports ongoing assessment and tailored feedback aimed at improving
how providers recommend HPV vaccine and address parents’ concerns, using a library of research-tested
messages. In Aim 1, we will enhance Up2Date to include a dashboard of clinics’ HPV vaccine coverage that
can be used to set and track shared goals for improvement. In doing so, we will create a multi-level mobile
platform to support both provider-level and clinic-level assessment and feedback to improve HPV vaccination.
In Aim 2, we will evaluate the feasibility of Up2Date by delivering our intervention to 20 pediatric providers
in primary care clinics with HPV vaccine coverage below the national average. We will assess pre/post
changes in intermediate outcomes related to clinic-level environments as well as provider-level cognitions
and behaviors. We hypothesize that providers’ overall recommendation quality will increase between baseline
and 12-week follow up. We will also conduct limited efficacy testing of our long-term, family-level outcomes:
adolescents’ HPV vaccine coverage and parents’ satisfaction with care. Finally, we will assess process
measures, including the acceptability of and demand for our intervention. These analyses will use qualitative
and quantitative data from surveys, interviews, app analytics, and electronic health records.
The proposed study builds on the work of a well-established team to evaluate the feasibility of an
innovative, multi-level mobile coaching intervention. Results from this feasibility study will generate effect sizes
to inform a future randomized controlled trial to test the effectiveness of mobile coaching. If successful, our
intervention will improve HPV vaccine coverage and protect adolescents from future HPV-related cancers.
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