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Updated: Jun 27, 2026
06:21
Concept Development and Use of an Automated Food Intake and Eating Behavior Assessment Method
Published on: February 19, 2021
Why we eat: Development and validation of a 7-factor Motivations for Eating Profile (MEP-7)
Clarissa Dakin1, Graham Finlayson2, R James Stubbs2
1School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, UK.
Appetite
|June 25, 2026
Summary
A new questionnaire, the 7-Factor Motivation for Eating Profile (MEP-7), identifies seven key eating motivations. This tool accurately profiles eating behaviors and predicts outcomes like BMI, aiding obesity research and weight management strategies.
Area of Science:
- Psychology
- Behavioral Science
- Obesity Research
Background:
- Understanding eating motivations is vital for obesity prevention and management.
- Existing tools offer limited insight into diverse eating behavior drivers.
- A comprehensive, theory-driven approach is needed to assess eating motivations.
Purpose of the Study:
- To develop and validate a comprehensive questionnaire assessing eating behavior motivations.
- To evaluate the psychometric properties and external validity of the new instrument.
- To identify key motivational factors influencing eating behaviors and their relation to health outcomes.
Main Methods:
- Developed a questionnaire based on a validated eating behavior framework.
- Utilized item response theory and factor analysis on large adult samples (n > 2,000).
- Examined reliability, measurement invariance, and associations with BMI, weight change, and physical activity.
Main Results:
- A robust seven-factor, 28-item model (MEP-7) demonstrated good fit and reliability.
- The MEP-7 showed scalar invariance across sex, age, and education.
- Specific eating motives correlated with BMI, eating rate, and physical activity as predicted.
Conclusions:
- The 7-Factor Motivation for Eating Profile (MEP-7) is a psychometrically sound tool for assessing eating motivations.
- The MEP-7 has predictive validity, linking motivations to relevant health and behavioral outcomes.
- This profile can enhance research, clinical phenotyping, and inform weight management interventions.
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