Health Belief Model Rosenstock

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Health Belief Model (Rosenstock)
Age, gender Ethnicity, race Knowledge Personality
Perceived Benefits Barriers to action
Perceived Susceptibility Severity
Likelihood of behavior change
Perceived Threat
Cues to Action Advice Others illness Symptoms Medi
a information
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Theory of Reasoned Action(Fishbein Ajzen)
Belief About Outcome
Attitude
Intention
Behavior
Importance
Beliefs About Others
Subj. Norms
3
Theory of Planned Behavior (Ajzen)
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Self-efficacy Social Cognitive Theory (Bandura)

• Reciprocal determinism

Person
Environment
Behavior
5
Social Cognitive Theory

• Self Efficacy is most important predictor of
  behavior

OUTCOME EXPECTANCIES
PERSON Self-Efficacy
BEHAVIOR
NORMATIVE BELIEFS
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Stage Models
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Precaution Adoption Process(Weinstein)

• Stages of Beliefs
• Stages of Readiness
• 1. no knowledge
• 2. Optimistic Bias
• 3. Accept risk, but no plan to change
• 4. Take Action OR 5. Take NO action
• 6. Start changing
• 7. Maintenance

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Stages of Change (Prochaska)(Transtheoretical
Model of Change)
Maintenance
Action
Preparation
Contemplation
Precontemplation
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Targets for Movement Across Stages

• Precontemplators Pros Cons
• Contemplators Self-Efficacy
• Preparation Plans for
  change
• Action Behaviors

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Comparing Theories
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Non-stage models
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STAGE MODELS
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Change Behaviors
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Operant Conditioning

• Voluntary Behavior with Consequences
• Behavior ? Positive consequences
• Behavior ? Negative consequences
• Shaping (rewards for small steps toward goal
• Behavior increases or decreases according to
  consequences

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Changing Self-efficacy

• Performance
• Vicarious experience
• Verbal persuasion
• Physiological arousal
• Anxiety decreases