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Impact of a shared medical decision-making aid on patient decisional conflict regarding human papillomavirus
Dragos-Paul Hagiu1,2,3, Marion Saquet1,2,3, Henri Partouche4
1Department of General Practice, Faculté de Médecine Jacques Lisfranc, Université Jean Monnet, Université de Lyon, Saint-Etienne 42100, France.
Introduction:
Human papillomaviruses (HPVs) cause several vaccine-preventable cancers, including cervical cancer. In France, HPV vaccination coverage remains low. Decision aids (DAs) can help individuals make informed health choices. This study assessed the impact of an online DA (SOSHPV) on decisional conflict and vaccination intention, and explored user perceptions in real-life contexts.
Methods:
A convergent mixed-methods design was used (November 2023-June 2024). The quantitative component included a pre-post questionnaire assessing knowledge, vaccination intention, and decisional conflict. The qualitative component involved semistructured interviews with a subsample of users, analyzed using grounded theory.
Results:
Among 943 website visitors, 187 participants (54 males, 12 adolescents) completed the presurvey, and 44 (12 males, 6 adolescents) completed both assessments. Over half (54%) were young parents using the tool to support HPV vaccination decisions for their child. Post-intervention, knowledge improved (P < 0.001), and decisional conflict decreased (P < 0.001). Vaccination intention shifted: 55%-75% in favor and 32%-18% undecided (P < 0.001). Qualitative analysis (n = 12) revealed three themes: social ambivalence around vaccination, the DA as a support for informed choices, and its role in enhancing communication with healthcare providers.
Discussion:
This study showed a reduction in decisional conflict and increased vaccination intention. These findings suggest that DAs may play an important role in addressing vaccine hesitancy and supporting value-aligned choices in real-world settings.
Conclusion:
This study highlights the potential of an online DA to improve vaccine acceptance by reducing decisional conflict and enhancing dialog. Further research is needed to assess its large-scale impact on vaccine uptake.
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