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Trait Anxiety and Unhealthy Eating in Adult Women: The Mediating Role of Cognitive Instability

Author

Listed:
  • Magdalena Mróz

    (Institute of Psychology, University of Wrocław, 50-527 Wrocław, Poland)

  • James J. Gross

    (Department of Psychology, Stanford University, Stanford, CA 94305, USA)

  • Anna Brytek-Matera

    (Katowice Faculty of Psychology, SWPS University of Social Sciences and Humanities, 40-326 Katowice, Poland)

Abstract

Previous studies have demonstrated the influence of affective states on unhealthy eating. Heightened impulsivity has also been recognized as a risk factor for unhealthy eating. The objective of the present study was to investigate the relationship between trait anxiety and unhealthy eating and to test whether cognitive instability (trait impulsivity component) might mediate this relationship among adult women. Method: The sample was composed of 225 women ( M age = 29.70 ± 9.23; M BodyMass Index = 23.39 ± 4.43). The State-Trait Anxiety Inventory (STAI), the Food Frequency Questionnaire (FFQ), and the Barratt Impulsiveness Scale (BIS) were used. We first conducted a principal components analysis to reduce the dimensionality of the FFQ data, finding four principal components. For our primary analyses, we focused on unhealthy eating. We then conducted a mediation analysis to examine whether trait anxiety was associated with unhealthy eating and, if so, whether cognitive impulsivity mediated this relationship. Results: Trait anxiety was positively associated with cognitive instability, and cognitive instability was positively associated with unhealthy eating. Trait anxiety was also positively associated with unhealthy eating, but only when controlling for cognitive instability. Consistent with our proposed mediation model, trait anxiety was positively associated with cognitive instability, which in turn predicted unhealthy eating among adult women. Conclusion: Adult women who reported higher levels of trait anxiety experienced higher levels of cognitive instability and engaged in poor dietary behaviors. Identifying the factors related to unhealthy eating represents a crucial step toward findings ways of reducing their impact on food intake and replacing them with more productive ones.

Suggested Citation

  • Magdalena Mróz & James J. Gross & Anna Brytek-Matera, 2022. "Trait Anxiety and Unhealthy Eating in Adult Women: The Mediating Role of Cognitive Instability," IJERPH, MDPI, vol. 20(1), pages 1-14, December.
    • Handle: RePEc:gam:jijerp:v:20:y:2022:i:1:p:296-:d:1014053
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    References listed on IDEAS

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    1. Anna Brytek-Matera, 2021. "Negative Affect and Maladaptive Eating Behavior as a Regulation Strategy in Normal-Weight Individuals: A Narrative Review," Sustainability, MDPI, vol. 13(24), pages 1-15, December.
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