The possible mental health impacts of orthorexia nervosa (ON) symptoms are poorly understood, as existing research in this field has mostly employed cross-sectional designs. This study investigated whether ON symptoms prospectively predict changes in eating disorder psychopathology and general mental health. A convenience, non-clinical sample of adults (n = 313; 83 % women) completed study measures at baseline (T1) and three-month follow-up (T2). Negative binomial regressions were computed to test whether T1 ON symptoms predict changes in binge eating and driven exercise episodes. Linear regressions were computed to test whether T1 ON symptoms predict changes in eating concerns, depressive symptoms, and life satisfaction. Higher ON symptoms prospectively predicted greater number of binge eating and driven exercise episodes at T2. Higher ON symptoms predicted increased eating concerns and depressive symptoms at T2. ON symptoms did not predict changes in life satisfaction. Findings highlight possible risks associated with ON symptomatology. Efforts to better inform the public about the risks of these pathological eating patterns are needed.
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| http://dx.doi.org/10.1016/j.eatbeh.2023.101734 | DOI Listing |
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