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Related Experiment Video

Updated: May 2, 2026

Fat Preference: A Novel Model of Eating Behavior in Rats

Fat Preference: A Novel Model of Eating Behavior in Rats

Published on: June 27, 2014

Does personality affect dietary intake?

Trevor E Lunn¹, Caryl A Nowson¹, Anthony Worsley¹

¹Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Faculty of Health, Deakin University, Burwood, Victoria, Australia.

Nutrition (Burbank, Los Angeles County, Calif.)

|March 11, 2014

Summary

This summary is machine-generated.

Personality traits like Openness and Conscientiousness link to healthier eating habits. Higher Conscientiousness may predict better lifestyle choices and lower obesity risk, supporting its role in health behaviors.

Keywords:

Big Five Conscientiousness Dietary intake Openness Personality

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Last Updated: May 2, 2026

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Published on: June 27, 2014

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Assessment of Social Transmission of Food Preferences Behaviors

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Published on: January 25, 2018

Area of Science:

Psychology
Nutrition Science
Behavioral Medicine

Background:

Poor diet is a significant risk factor for obesity and chronic diseases.
Personality traits may influence dietary choices and health behaviors.
Understanding these links can inform public health strategies.

Purpose of the Study:

To review evidence associating the Big Five personality dimensions with dietary intake and adherence to recommendations.
To explore the relationship between personality and eating behaviors.
To evaluate the potential of personality traits in predicting healthy lifestyle adoption.

Main Methods:

Systematic review of cross-sectional studies.
Analysis of findings from diverse countries and cultures.
Examination of associations between personality traits and dietary patterns.

Main Results:

Openness positively correlates with fruit and vegetable consumption.
Conscientiousness is associated with healthier eating patterns.
No direct link found between personality dimensions and long-term dietary recommendation adherence.
Conscientiousness is linked to other health-promoting behaviors and lower obesity risk.

Conclusions:

Personality traits, particularly Conscientiousness, show associations with dietary intake and healthy behaviors.
Higher Conscientiousness may predict adoption of healthy diets and lifestyles.
Further research is warranted to explore personality's role in obesity prevention and health management.