PAOHB - 3. Theories Of Health Behaviour #1

  • Emir is an 18-year-old individual living in the suburbs of Melbourne, Australia. He is currently single.

  • He has Turkish ancestry; his parents emigrated to Australia when he was just 2 years old.

  • Emir is pursuing higher education at a university immediately following his high school graduation and has consistently demonstrated high academic achievement.

  • His physical activity levels are relatively low, averaging between 80-150 minutes of physical exercise each week.

  • He holds a part-time job as a retail employee, where he typically works 3-4 hours each shift primarily while standing.

  • Emir struggles with maintaining a healthy sleep routine, with his gaming habits negatively impacting his sleep schedule; he typically gets less than 8 hours of sleep on 3-5 nights each week.

  • His Body Mass Index (BMI) is calculated at 17.9 kg/m², categorizing him as underweight.

  • Emir's diet primarily consists of takeaway meals, indicating a lack of home-cooked, balanced nutrition.

Theories of Health Behavior

  • Social Cognitive Theory: This theory emphasizes the significance of observational learning and social experience as critical factors in instigating changes in behavior.

  • Health Belief Model: This model analyzes how individuals perceive the severity of health problems, as well as their evaluations of the advantages and disadvantages of taking specific preventive actions.

  • Transtheoretical Model: It outlines the progress individuals experience when modifying their behavior, which includes stages like precontemplation, contemplation, preparation, action, and maintenance.

  • Self-Determination Theory: This theory underscores the importance of intrinsic motivation and the essential conditions that promote autonomy in the process of behavioral change.

Personality and Physical Activity

  • An individual's personality plays a significant role in influencing their exercise responses and behaviors.

  • From a Trait Perspective, stable characteristics are believed to shape and influence behavioral patterns.

The Big Five Model (OCEAN)

  • Openness: Describes those who are adventurous and willing to try new and varied types of exercises.

  • Conscientiousness: Reflects individuals who are organized and disciplined, thus promoting adherence to an exercise regimen.

  • Extraversion: Associated with sociable individuals who tend to engage more in group activities and team sports.

  • Agreeableness: Exhibits a mixed influence on exercise behavior, which may vary from person to person.

  • Neuroticism: Often correlates negatively with participation in exercise activities, indicating an association with anxiety and emotional instability.

Positive and Negative Predictors of Exercise

  • Positive Predictors: Traits such as high extraversion and high conscientiousness foster a greater likelihood of maintaining a regular exercise routine.

  • Negative Predictors: High levels of neuroticism and low agreeableness are associated with reduced participation in physical activity.

Perception of Exercise

  • An individual’s perception of exercise is heavily influenced by their motivation levels and perceived physical fitness.

  • Those who are motivated generally perceive the exertion required during exercise as less intense than those who are not motivated.

Physical Activity and Self Perception

  • The relationship between self-perception and mental well-being is bidirectional, meaning they influence each other.

  • Self-Concept: Refers to an individual’s overall definition of themselves, which, in turn, impacts their exercise behavior.

  • Self-Esteem: Represents an evaluation of one’s self-worth, which can fluctuate across different areas of life.

  • Engaging in regular exercise has been shown to improve self-esteem, with an effect size of (d) = 0.23.

Factors Strengthening Self-Esteem from Exercise

  • The frequency, intensity, and duration of exercise, along with improvements in fitness levels and the overall length of exercise programs, significantly enhance the benefits conferred to self-esteem.

Body Image

  • Body image is a complex, multifaceted construct that influences self-concept and exercise behaviors.

  • It encompasses various dimensions, including perceptual, cognitive, emotional, and behavioral aspects.

  • High levels of social physique anxiety are linked to negative body image, which can lead to decreased participation in exercise activities.

Motivators and Barriers to Physical Activity

  • Motivators include factors such as health benefits, social connections, and improvements in psychological well-being.

  • Barriers to engaging in physical activity include constraints related to time, energy levels, motivation, health issues, age factors, and internal perceptions individuals hold about themselves.

  • Notably, many of these barriers are controllable and can be modified with the right strategies.

Key Psychological Insights

  • Adherence to an exercise program often hinges more on mental barriers than on physical limitations.

  • Effective and practical strategies to overcome these barriers include goal setting, habit formation, and fostering a supportive social environment to encourage participation in physical activities.

Body image is a complex, multifaceted construct that significantly influences self-concept and exercise behaviors. It encompasses various dimensions, including:

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  • Perceptual Aspects: This dimension involves how individuals perceive their bodies in terms of size, shape, and appearance. Distorted perceptions can lead to dissatisfaction, impacting a person’s willingness to engage in physical activities. For example, someone may perceive themselves as overweight despite being healthy, resulting in negative feelings towards exercise.

  • Cognitive Aspects: These encompass the thoughts and beliefs that individuals hold regarding their body image. Cognitive distortions, such as negative self-talk or unrealistic comparisons with others, contribute to body image concerns. Positive cognitive frameworks can help individuals develop a healthier view of their bodies, fostering more engagement in physical activities.

  • Emotional Aspects: This dimension refers to the feelings associated with body image, including emotions like shame, confidence, or anxiety. A positive body image can lead to feelings of empowerment and motivation to exercise, while a negative body image may result in shame or self-doubt, deterring individuals from physical activity. Understanding these emotional connections is crucial for addressing barriers to exercise.

  • Behavioral Aspects: Behavioral dimensions include the actions individuals take based on their body image perceptions. For instance, those with a negative body image may avoid certain exercises or social situations where they feel judged. In contrast, individuals with a positive body image are more likely to participate in physical activities, engage in social sports, and maintain an active lifestyle.

High levels of social physique anxiety are linked to negative body image, which can lead to decreased participation in exercise activities.