Ready to Make A Decision: A Model of Informational Aids to Improve Informed Participation in Clinical Trial Research

Wei Peng, Susan E. Morgan, Bingjing Mao, Soroya Julian McFarlane, Aurora Occa, Gilles Grinfeder, Margaret M Byrne

Research output: Contribution to journalArticle

Abstract

Enrollment rates for cancer clinical trials remain low, affecting the generalizability of new treatments. Research shows that many patients face significant challenges in understanding basic clinical trial vocabulary and making informed decisions about participation. Informational aids (IA) are developed to address these challenges and support decision making of cancer clinical trial participation. The present study proposed and tested a structural path model to explain the efficacy of three (i.e., interactive, non-interactive, non-cancer control) IAs. The results revealed that clinical trial participation intention was associated with attitudes and social constructs (i.e., social norm, social sharing, and cues to action). Ease of use, rather than knowledge, was the primary communication feature of IA that influenced the outcome variables. The path relations linking messages features, mediators, and outcome variables were different across all three IAs. The results therefore provide theoretical and practical implications for the use and development of IAs to support clinical trial accrual.

Original languageEnglish (US)
JournalJournal of Health Communication
DOIs
StateAccepted/In press - Jan 1 2019
Externally publishedYes

ASJC Scopus subject areas

  • Health(social science)
  • Communication
  • Public Health, Environmental and Occupational Health
  • Library and Information Sciences

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