A randomized controlled trial of a tailored interactive computer-delivered intervention to promote colorectal cancer screening: Sometimes more is just the same

Sally W. Vernon, Leona K. Bartholomew, Amy McQueen, Judy L. Bettencourt, Anthony Greisinger, Sharon P. Coan, David Lairson, Wenyaw Chan, S. T. Hawley, R. E. Myers

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Background: There have been few studies of tailored interventions to promote colorectal cancer (CRC) screening. Purpose: We conducted a randomized trial of a tailored, interactive intervention to increase CRC screening. Methods: Patients 50-70 years completed a baseline survey, were randomized to one of three groups, and attended a wellness exam after being exposed to a tailored intervention about CRC screening (tailored group), a public web site about CRC screening (web site group), or no intervention (survey-only group). The primary outcome was completion of any recommended CRC screening by 6 months. Results: There was no statistically significant difference in screening by 6 months: 30%, 31%, and 28% of the survey-only, web site, and tailored groups were screened. Exposure to the tailored intervention was associated with increased knowledge and CRC screening self-efficacy at 2 weeks and 6 months. Family history, prior screening, stage of change, and physician recommendation moderated the intervention effects. Conclusions: A tailored intervention was not more effective at increasing screening than a public web site or only being surveyed.

Original languageEnglish
Pages (from-to)284-299
Number of pages16
JournalAnnals of Behavioral Medicine
Volume41
Issue number3
DOIs
StatePublished - Jun 2011

Keywords

  • Behavior change intervention
  • Colorectal cancer screening
  • Randomized controlled trial

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