PUBHLTH 144 Lecture 4: Chapter 4 Individual Health Behavior Theories
8 Aug 2016
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Chapter 4 individual health behavior theories (essentials of health behavior) Thought processes individuals go through before taking a health related action: cues, references, info from environments. Health belief model: oldest and most used, from lack of tb screening 1950s, motivation. They believed there was benefit in screening: factors of health seeking. Person"s belief that they can take an action: also called value expectancy model. People will engage in healthy behavior if: They think behavior leads to that outcome: theory is presented in the abstract efforts may not work, critiques: Primarily focuses on individual decisions, and does not address social and environmental factors. It is not always clear how the 6 constructs operate in changing behavior. Theory of planned behavior/ theory of reasoned action: people"s attitudes their behaviors, main issue: predictability. Do attitudes predict behavior: rational, cognitive decision process (like hbm, attitudes and behavioral intentions are different, intention to do a behavior. A person"s attitude towards a specific behavior.
