health belief model (hbm) chris mason hsc 6603 theory of health behavior university of north florida
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Health Belief Model(HBM)
Chris MasonHSC 6603 Theory of Health Behavior
University of North Florida
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History
The Health Belief Model is one of the first theories of health behavior.
It was developed in the 1950s by a group of U.S. Public Health Service social psychologists.
Works well for addressing problem behaviors that evoke health concerns.
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HBM
HBM is a value-expectancy theory
Based on these assumptions:◦ People desire to avoid illness or get well◦ People believe that a specific health action that is
available to him or her will prevent illness
Readiness to Take Action = Perceived Threat
Readiness to Change Behavior = Perceived Benefit of Taking Action ◦ Cost-Benefit Analysis
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Perceptions
1.) The severity of a potential illness
2.) The person's susceptibility to that illness
3.) The benefits of taking a preventive action
4.) The barriers to taking that action.
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Theory
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Constructs
Perceived susceptibilityPerceived severityPerceived benefitsPerceived barriersSelf-efficacyCues to action
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PerceptionsPerceived susceptibility- ones opinion of
their chances of getting a conditionPerceived severity- one’s opinion about
how serious getting the condition isPerceived benefits- one’s opinion on the
effectiveness of the advised action to reduce risk or seriousness of impact
Perceived barriers- one’s opinion of the costs of an advised action
H1N1Example:Should I get the H1N1 vaccination?
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Self-efficacy- one’s confidence in their ability to take action/change
Cues to action- strategies to activate one’s readiness to take action/change
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Childhood Obesity & the Health Belief Model
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Health Belief Model
Moderate predictive power
Best predictor of actual behavior=perceived barriers
Perceived Threat+
Perceived Benefit =
Likelihood of Acting
Cues to Action (internal/external)
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Current Nursing. (2012, January 31). Health Belief Model (HBM). Retrieved from Nursing Theories:
http://currentnursing.com/nursing_theory/health_belief_model.html
Edberg, M. (2007). Essentials of Health Behavior Social and Behavioral Theory in Public Health. (R. Riegelman, Ed.) Sudbury: Jones and Bartlett Publishers.
Janz, N., & Becker, M. (1984). The Health Belief Model: A Decade Later. Health Education Quarterly , 11 (1), 1-47.
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