A 40-year-old man with no medical issues and a BMI of 18 has not seen a primary care provider since he was 17. He has not had any type of immunizations, screenings, or preventive care. Which of the following is the most appropriate theory to explain his behavior?

Choice A reason: Self-efficacy theory focuses on an individual’s belief in their ability to perform specific behaviors. It does not explain why someone avoids preventive care due to perceived risks or benefits. Choice B reason: The Health Belief Model explains health behaviors based on perceived susceptibility, severity, benefits, and barriers. It is the most appropriate framework for understanding why someone might avoid preventive care due to low perceived risk or high perceived barriers. Choice C reason: Maslow’s Hierarchy of Needs is a motivational theory that prioritizes physiological and safety needs before higher-level psychological needs. While it may indirectly influence health behavior, it does not specifically address preventive care decisions. Choice D reason: The Transtheoretical Model of Change describes stages of behavior change (e.g., precontemplation, contemplation). It is useful for guiding interventions but does not explain the underlying beliefs driving avoidance of care.