Intention to undergo colonoscopy screening among relatives of colorectal cancer cases: A theory-based model

Watcharaporn Boonyasiriwat, Man Hung, Shirley D. Hon, Philip Tang, Lisa M. Pappas, Randall W. Burt, Marc D. Schwartz, Antoinette M. Stroup, Anita Y. Kinney

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Background: It is recommended that persons having familial risk of colorectal cancer begin regular colonoscopy screening at an earlier age than those in the general population. However, many individuals at increased risk do not adhere to these screening recommendations. Purpose: The goal of this study was to examine cognitive, affective, social, and behavioral motivators of colonoscopy intention among individuals at increased risk of familial colorectal cancer. Methods: Relatives of colorectal cancer cases (N =481) eligible for colonoscopy screening completed a survey assessing constructs from several theoretical frameworks including fear appeal theories. Results: Structural equation modeling indicated that perceived colorectal cancer risk, past colonoscopy, fear of colorectal cancer, support from family and friends, and health-care provider recommendation were determinants of colonoscopy intention. Conclusions: Future interventions to promote colonoscopy in this increased risk population should target the factors we identified as motivators.

Original languageEnglish (US)
Pages (from-to)280-291
Number of pages12
JournalAnnals of Behavioral Medicine
Volume47
Issue number3
DOIs
StatePublished - Jun 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Medicine

Keywords

  • Colonoscopy
  • Colorectal cancer screening
  • Extended parallel processmodel
  • Family history
  • Intention

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