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Risk perceptions and their relation to risk behavior.

Noel T Brewer1, Neil D Weinstein, Cara L Cuite

  • 1Department of Psychology, Rutgers University, Piscataway, NJ 08854, USA. brewer@aesop.rutgers.edu

Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine
|March 18, 2004
PubMed
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Higher risk perception motivates protective behavior, like vaccination. Vaccination, in turn, lowers perceived risk and accurately reflects reduced infection risk. This highlights the complex relationship between risk perception and behavior.

Area of Science:

  • Health behavior research
  • Risk perception studies
  • Epidemiology

Background:

  • Risk perceptions and protective behaviors are complexly interrelated.
  • Incorrect testing methods can lead to invalid conclusions regarding risk perception and behavior.

Purpose of the Study:

  • To test the behavior motivation hypothesis: risk perception drives protective action.
  • To test the risk reappraisal hypothesis: protective action reduces risk perception.
  • To test the accuracy hypothesis: risk perception reflects actual risk behavior.

Main Methods:

  • A longitudinal study design with 745 adult homeowners in high Lyme disease incidence areas.
  • Data collected via initial interviews upon vaccine availability and follow-up interviews 18 months later.

Related Experiment Videos

  • Assessed Lyme disease vaccination behavior and individual risk perception.

    • Main Results:

    • Higher initial risk perceptions significantly increased likelihood of Lyme disease vaccination (OR = 5.81).
    • Vaccination led to a significant reduction in perceived risk (chi2(1, N = 745) = 30.90, p <.001).
    • Vaccinated individuals accurately perceived their lower risk of future infection (OR =.44).

    Conclusions:

    • The behavior motivation hypothesis was supported, demonstrating that risk perception influences protective behavior.
    • The study underscores the importance of appropriate longitudinal testing to avoid erroneous conclusions from cross-sectional data.
    • Health researchers must carefully formulate and test hypotheses linking risk perception and behavior.