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The Mediation Role of Physical Activity in the Relationship of Perfectionism with Healthy Orthorexia and Orthorexia Nervosa

Research on the relationship between perfectionism and orthorexia nervosa has attracted a significant amount of analysis. Data show higher orthorexic tendencies correlated with higher perfectionism, with a more prone effect combined with a high level of physical activity (PA). However, the relationship between perfectionism, orthorexia and various intensity of PA and possible underlying is less known. Furthermore, recently conceptualized, healthy orthorexia is underpinned with less empirical data showing a minimal positive correlation with perfectionism. Thus, this research aimed to explore the mediation role of physical activity in the relationship of perfectionism with healthy orthorexia and orthorexia nervosa. One hundred and forty-six participants aged 18 to 47 years (Mage = 23.27 (4.19) ; N male = 30, N female = 116) completed online questionnaires measuring perfectionism, orthorexia nervosa, healthy orthorexia and leisuretime exercise. The mediation analysis showed that more weekly leisure-time PA did not mediate the relationship between perfectionism and orthorexia nervosa nor predicted orthorexia nervosa. Perfectionism showed a direct positive effect on higher levels of orthorexia nervosa, and a negative effect on weekly leisure-time PA. On the other hand, weekly leisure-time PA mediated the relationship between perfectionism and healthy orthorexia. Specifically, lower levels of perfectionism predicted more weekly leisuretime PA, which then predicted healthier orthorexia. The direct effect of perfectionism on healthy orthorexia was not significant, showing that higher perfectionism may affect less involvement in weekly leisuretime PA, which may lead to lower scores on healthy orthorexia. Data showed that PA could mediate the possible negative effect of perfectionism on healthy orthorexia, but not the negative effect on orthorexia nervosa, which calls for scientific accountability for detecting constructs and processes that may be protective in the manifestation of orthorexia nervosa.

Orthorexia Nervosa, Healthy Orthorexia, Physical Activity, Perfectionism

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