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. 2015 May 6:6:591.
doi: 10.3389/fpsyg.2015.00591. eCollection 2015.

Stressful task increases drive for thinness and bulimia: a laboratory study

Sandra Sassaroli  1 , Francesca Fiore  1 , Clarice Mezzaluna  1 , Giovanni Maria Ruggiero  2
Affiliations

Stressful task increases drive for thinness and bulimia: a laboratory study

Sandra Sassaroli et al. Front Psychol. .

Abstract

The scientific literature has suggested that stress undergirds the development of eating disorders (ED). Therefore, this study explored whether laboratory induced stress increases self-reported drive for thinness and bulimic symptoms measured via self-report. The relationship between control, perfectionism, stress, and cognition related to ED was examined using correlational methodology. Eighty-six participants completed an experimental task using a personal computer (PC). All individuals completed a battery of tests before and after the stressful task. Analyses showed a significant statistical increase in average scores on the drive for thinness and bulimia measured before and after a stressful task, and path analysis revealed two different cognitive models for the mechanism leading to drive for thinness and bulimia. These findings suggest that stress is an important factor in the development of the drive for thinness and bulimia.

Keywords: bulimia; drive for thinness; experimental task; path analysis; stress.

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Figures

Figure 1
Figure 1
The estimated model of Perfectionism, Control, and Stress on Drive for Thinness. Please note that standardized coefficients are presented. For ease of presentation, error terms were omitted. *p < 0.05. Fitting index data: (χ2 = 16,769.25; gdl = 387; p < 0.001; CFI = 0.960; NNFI = 0.956; GFI = 0.967; AGFI = 0.968; RMSEA = 0.034).
Figure 2
Figure 2
The estimated model of Perfectionism, Control, and Stress on Bulimia. Please note that standardized coefficients are presented. For ease of presentation, error terms were omitted. *p < 0.05. Fitting index data: (χ2 = 16,769.25; df = 387; p < 0.01; CFI = 0.957; NNFI = 0.956; GFI = 0.975; AGFI = 0.978; RMSEA = 0.027).
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