Motivational Interviews Based on the Five-Step (5A) Model on Obesity Risk

The Effect of Structured Motivational Interviews Based on the Five-Step (5A) Model on Behavioral Change in Individuals at High Risk of Obesity in Family Medicine: A Mixed-Methods Randomized Controlled Trial Study Protocol

The goal of this clinical trial is to learn if a structured motivational interviewing program based on the Five-Step (5A) model works to promote healthy lifestyle behaviors in individuals at high risk of obesity. It will also learn about the effects on anthropometric measurements and physical activity levels. The main questions it aims to answer are:

• Does this structured program promote healthy lifestyle behaviors in individuals at high risk of obesity?
• To what extent does it increase participants' intrinsic motivation and readiness for behavioral change?

Participants will:

• Attend structured interview sessions throughout the designated process
• Visit the clinic at regular intervals for follow-up and evaluations
• Record their lifestyle changes, physical activity levels, and experiences throughout the process

Inclusion Criteria:

• Aged:18-64 years,
• Body Mass Index (BMI): 25.0-35.0 kg/m² (Overweight or Class I Obesity)
• Literate,
• Voluntary agreement to participate.

Exclusion Criteria:

• Body Mass Index (BMI): >35.0 kg/m²,
• Active involvement in a concurrent weight loss program,
• Current use of anti-obesity medication,
• Severe psychiatric or cognitive disorders,
• Pregnancy,
• Missing more than one motivational interview session,
• Orthopedic conditions precluding physical activity.