The health belief model was formulated during the 1950s by some social scientists who wanted to understand why few people responded to a campaign for tuberculosis (TB) screening. A free public tuberculosis screening program provided had attracted only a significant participation of people, therefore this health belief model came as a result of a response to this failure.
The health belief model tried to explain the impact of an individual's perception and attitude toward a disease and how those perceptions and attitudes impacted their health-related decision-making. The health belief model is a great tool for nurses, offering a way to help patients prevent chronic disease or, if disease is present, improve quality of life. The health belief model contended that when a person believes that he / she is vulnerable to a health problem with grave repercussions, he/she will more likely agree that the benefits outweigh the stumbling block related with changing one's behavior to prevent the problem. Nurses can use this model to explain a patients' awareness of risk and why they behave in a way that is harmful. This can enable a nurse to apply a program that can influence patients to make healthy lifestyle changes. (Kennedy, K. 2003).
According to the Health Belief Model, there are three Elements to be considered when patients make decisions about their health, these are:
• Perceived Threat
•Perceived Benefits vs. Perceived Barriers. Perceived