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Trait Perfectionism and Orthorexia in Exercisers: The Mediating Role of Perfectionistic Self-Presentation

Pratt, Verity Bliss (2021) Trait Perfectionism and Orthorexia in Exercisers: The Mediating Role of Perfectionistic Self-Presentation. Masters thesis, York St John University.

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Abstract

Purpose: Research suggests that trait perfectionism can predict orthorexia – a pathological obsession with correct nutrition. However, no studies have examined the role of perfectionistic self-presentation in whether a desire to present oneself perfectly is an explanation for previously observed relationships. The present study therefore examined whether perfectionistic self-presentation mediates relations between trait perfectionism and orthorexia.

Methods: A sample of 177 gym members (Mean age = 31.6 years) were recruited via social media platforms. Participants completed an online questionnaire that included the Multidimensional Perfectionism Scale-Short Form, Perfectionistic Self-Presentation Scale, and the Eating Habits Questionnaire on two occasions (separated by 6-weeks).

Results: Using cross-sectional mediation analyses, perfectionistic self-promotion and nondisplay of imperfection mediated relations between self-oriented perfectionism and orthorexia, perfectionistic self-promotion mediated relations between other-oriented perfectionism and orthorexia, and perfectionistic self-promotion and nondisplay of imperfection mediated relations between socially prescribed perfectionism and orthorexia. Using longitudinal mediation analyses, nondisplay of imperfection mediated relations between self-oriented perfectionism and orthorexia and socially prescribed perfectionism and orthorexia over time.

Conclusion: The study provides evidence that nondisplay of imperfection and perfectionistic self-promotion are important in regards to predicting orthorexia and may mediate the trait perfectionism-orthorexia relationship.

Item Type: Thesis (Masters)
Status: Published
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV0557 Sports
School/Department: School of Science, Technology and Health
URI: http://ray.yorksj.ac.uk/id/eprint/5890

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