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Feb 28 - Health Belief Model.docx

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NUTR 3070
John Dwyer

H EALTH B ELIEF M ODEL (Hochbaum et al., 1950’s) O RIGIN OFHBM - Developed to explain why individuals didn’t participate in programs re: diseases o Tuberculosis - Study behaviours in response to diagnosed illness o To try and understand why a certain % did not comply with medical regime (what factors predict this) - Study lifestyle behaviours o Physical activity, nutrition, smoking, anorexia nervosa, etc. PERCEPTIONS OF DISEASE - PerceivedSUSCEPTIBILITto the disease o Belief about chances of getting adverse health condition - PerceivedRISK o They must feel they are at risk - PerceivedSEVERITYof the disease o Belief about how serious an illness and its consequences are - PerceivedBENEFITS o Belief in efficacy of advised action to decrease risk of getting the disease or seriousness of the consequences of the disease  Your belief in how effective PA will be in decreasing how threatening the disease is P ERCEPTION OF B EHAVIOUR - Perceived BARRIERS o Belief about costs of advised action o Difficulties in doing the behaviours CUES TO ACTION - Strategies to activate readiness o Things you do that increase the likelihood you will do something constructive (be active, eat healthy) - Stimulate perceived threat of disease o Determine if you feel you are susceptible or not, and how severe it is - Internal and external cues SELF-EFFICACY - Concept added later -
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