Contemplating genetic feedback regarding lung cancer susceptibility

James A. Shepperd, Corinne A. Novell, Suzanne C. O'Neill, Sharron L. Docherty, Saskia C. Sanderson, Colleen M. McBride, Isaac M. Lipkus

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Background and Purpose We examined three theoretical models (self-enhancement theory, consistency theory, and a combined model) for understanding how expectations and test result favorability influence smokers' desire for a retest following hypothetical genetic test results. Method College smokers (N =128) read a brochure describing a biomarker for lung cancer (the GSTM1 gene) then reported whether they thought they had the gene (indicating lower lung cancer risk) or were missing the gene (indicating higher lung cancer risk). Participants then reported whether they would get retested if they received favorable GSTM1 results versus unfavorable GSTM1 results. Results Participants were most likely to want a retest, suggesting rejection of the results, if they expected favorable news yet received unfavorable news. Conclusion The findings supported the combined model such that smokers expressed greatest interest in a retest when they imagined genetic risk feedback that challenges both enhancement and consistency motives.

Original languageEnglish
Pages (from-to)395-403
Number of pages9
JournalAnnals of Behavioral Medicine
Volume47
Issue number3
DOIs
StatePublished - Jun 2014

Keywords

  • Consistency theory
  • Expectations
  • Genes
  • Lung cancer
  • Self-enhancement theory

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