Effects of Media Exposure to Conflicting Information about Mammography: Results from a Population-based Survey Experiment

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Abstract

Background: Although there is growing theoretical and empirical support for the proposition that media exposure to conflicting health information negatively influences public understanding and behavior, few studies have causally linked exposure to conflict with undesirable outcomes. Such outcomes might be particularly likely in the context of mammography, given widespread media attention to conflicting recommendations about the age at and frequency with which average-risk women should be screened for breast cancer. Purpose: The current study tests whether exposure to conflicting information about mammography negatively influences women's affective and cognitive responses and examines whether effects vary by socioeconomic position. Methods: We conducted an online survey experiment in 2016 with a population-based sample of U.S. women aged 35-55 (N = 1,474). Participants were randomly assigned to one of four conditions that differed in the level of conflict about mammography presented in a news story (no, low, medium, or high conflict), stratifying by poverty level. Results: Greater exposure to conflict increased women's negative emotional responses to the story they read, their confusion about and backlash toward cancer prevention recommendations and research, and their ambivalence about mammography and other types of cancer screening, though ambivalence leveled off at high levels of exposure. There was little evidence that effects varied across socioeconomic position. Conclusions: Findings add to the growing evidence base documenting undesirable outcomes of exposure to conflicting health information. Future research should examine whether the negative affective and cognitive responses observed translate into behavior, which could have implications for both health campaigns and patient-provider communication.

Original languageEnglish (US)
Pages (from-to)896-908
Number of pages13
JournalAnnals of Behavioral Medicine
Volume53
Issue number10
DOIs
StatePublished - Apr 5 2019

Bibliographical note

Funding Information:
Acknowledgments The authors thank Cabral Bigman, Lauren Feldman, Erika Franklin Fowler, Seth Goldman, Sarah Gollust, and K. (Vish) Viswanath for their helpful feedback during earlier stages of this research. This work was supported by a Building Interdisciplinary Research Careers in Women’s Health Grant (2 K12-HD055887) from the Eunice Kennedy Shriver National Institutes of Child Health and Human Development, the Office of Research on Women’s Health, and the National Institute on Aging, administered by the University of Minnesota Women’s Health Research Program. Additional support was provided by a grant from the National Cancer Institute (1R21CA218054-01A1) and a Grant-in-Aid of Research, Artistry and Scholarship from the Office of the Vice President for Research at the University of Minnesota. This content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

Publisher Copyright:
© 2018 Society of Behavioral Medicine 2018. All rights reserved.

Keywords

  • Conflicting health information
  • Health communication
  • Mammography
  • Population-based survey experiment
  • Socioeconomic position

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