Health Belief Model (HBM)

1. Health Belief Model(HBM) Chris Mason HSC 6603 Theory of Health Behavior University of North Florida

2. 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 socialpsychologists. • Works well for addressing problem behaviors that evoke health concerns. History

3. 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 HBM

4. 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. Perceptions

5. Theory

6. Perceived susceptibility • Perceived severity • Perceived benefits • Perceived barriers • Self-efficacy • Cues to action Constructs

7. Perceived susceptibility- ones opinion of their chances of getting a condition • Perceived severity- one’s opinion about how serious getting the condition is • Perceived 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 Perceptions H1N1Example: Should I get the H1N1 vaccination?

8. 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

9. Childhood Obesity & the Health Belief Model

10. Moderate predictive power • Best predictor of actual behavior=perceived barriers Perceived Threat Perceived Benefit Likelihood of Acting + = Health Belief Model Cues to Action (internal/external)

11. References: 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.