Personality Traits and Body Weight Measures: Concurrent and Across-Time Associations

Galit Armon, Samuel Melamed, Arie Shirom, Itzhak Shapira, Shlomo Berliner

Research output: Contribution to journalArticlepeer-review

Abstract

We tested the possibility that the five-factor model of personality is associated with three measures of body weight and with changes in their levels over time and that these associations are gender specific. The study was conducted at two points of time, Time 1 (2664 participants) and Time 2 (1492 participants), over approximately 4years, controlling for gender, age, education, and having a chronic disease. Body weight was assessed by body mass index, waist circumference, waist-to-hip ratio, and the five-factor model by Saucier's Mini-Markers. Cross-sectional regression results indicated that conscientiousness was negatively associated with the three body weight measures, whereas neuroticism and extraversion were positively associated with the three body weight measures. The longitudinal regression results indicate that extraversion was associated with an increase in two of the body weight measures. Neuroticism was associated with increase in all three body weight measures and more strongly for women than for men. Openness was associated with a decrease in all three body weight measures for women, but this association was not significant for men. These findings help identify personality traits that lead to risk of weight gain and point to the modifying role of gender.

Original languageEnglish
Pages (from-to)398-408
Number of pages11
JournalEuropean Journal of Personality
Volume27
Issue number4
DOIs
StatePublished - Jul 2013
Externally publishedYes

Keywords

  • Big Five
  • Body weight
  • Five-factor model
  • Gender
  • Obesity
  • Personality

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