Health belief model refers to a theory of health behaviors. The model predicts that whether a person practices a particular health habit can be understood by knowing the degree to which the person perceives a personal health threat and the perception that a particular health practice will be effective in reducing that threat.

Moreover, Health belief model, is a major theory of health behavior that suggests that our beliefs relating to the effectiveness, ease, and consequences of doing or not doing a certain behavior will determine whether we do or not do that behavior. It posits that beliefs about the effectiveness, ease, and consequences of doing or not doing a certain behavior determines whether we do or do not do that behavior