The effects of tailoring knowledge acquisition on colorectal cancer screening self-efficacy

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Interventions tailored to psychological factors such as personal and vicarious behavioral experiences can enhance behavioral self-efficacy but are complex to develop and implement. Information seeking theory suggests tailoring acquisition of health knowledge (without concurrent psychological factor tailoring) could enhance self-efficacy, simplifying the design of tailored behavior change interventions. To begin to examine this issue, the authors conducted exploratory analyses of data from a randomized controlled trial, comparing the effects of an experimental colorectal cancer screening intervention tailoring knowledge acquisition with the effects of a nontailored control on colorectal cancer screening knowledge and self-efficacy in 1159 patients comprising three ethnicity/language strata (Hispanic/Spanish, 23.4%, Hispanic/English, 27.2%, non-Hispanic/English, 49.3%) and 5 recruitment center strata. Adjusted for study strata, the mean postintervention knowledge score was significantly higher in the experimental group than in the control group. Adjusted experimental intervention exposure (B = 0.22, 95% CI [0.14, 0.30]), preintervention knowledge (B = 0.11, 95% CI [0.05, 0.16]), and postintervention knowledge (B = 0.03, 95% CI [0.01, 0.05]) were independently associated with subsequent colorectal cancer screening self-efficacy (p <.001 all associations). These exploratory findings suggest that tailoring knowledge acquisition may enhance self-efficacy, with potential implications for tailored intervention design, but this implication requires confirmation in studies specifically designed to examine this issue.

Original languageEnglish (US)
Pages (from-to)697-709
Number of pages13
JournalJournal of Health Communication
Volume20
Issue number6
DOIs
StatePublished - Jun 3 2015

ASJC Scopus subject areas

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

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