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1.
Eat Weight Disord ; 27(6): 2019-2026, 2022 Aug.
Article in English | MEDLINE | ID: mdl-34997552

ABSTRACT

PURPOSE: This research explored whether orthorexia nervosa is associated with deficits in executive function. METHODS: A non-clinical sample of participants (n = 405; 80% women, 53% white, mean age = 24, mean body mass index = 25) completed the Orthorexia Nervosa Inventory (ONI) and the Behavior Rating Inventory of Executive Function-Adult version (BRIEF-A). RESULTS: ONI scores were weakly to moderately correlated with all BRIEF-A scales (p < 0.001 for eight scales, p < 0.05 for one scale), exhibiting the greatest correlations with the scales assessing behavioral regulation: Emotional Control (r = 0.34), Inhibition (r = 0.30), Set Shifting (r = 0.25), and Self-Monitoring (r = 0.28). Hierarchical regression analyses revealed that eight of these nine relationships remained significant (p < 0.001 for five scales including all behavioral regulation scales, p < 0.01 for two scales, p < 0.05 for one scale) after controlling for demographic variables (e.g., gender, body mass index, age, education level) and diagnoses of an eating disorder, obsessive-compulsive disorder, attention deficit/hyperactivity disorder, autism, and learning disability. CONCLUSION: These findings suggest that, despite unique manifestations, orthorexia and anorexia may possess an overlapping neuropsychological profile marked by deficits in executive function, which may negatively impact daily life. LEVEL OF EVIDENCE: Level V, descriptive cross-sectional study.


Subject(s)
Feeding and Eating Disorders , Health Behavior , Adult , Cross-Sectional Studies , Feeding Behavior/psychology , Feeding and Eating Disorders/complications , Female , Humans , Male , Orthorexia Nervosa , Surveys and Questionnaires , Young Adult
2.
Eat Weight Disord ; 27(2): 553-561, 2022 Mar.
Article in English | MEDLINE | ID: mdl-33866529

ABSTRACT

PURPOSE: Orthorexia nervosa (ON), characterized by extreme behaviors driven by the goal of eating only healthy and pure foods, could plausibly be associated with avoidance of nicotine, alcohol, and illicit drugs. However, findings from the limited research on these relationships are mixed, and other eating disorders are associated with greater substance abuse. METHOD: An online survey was completed by 471 participants (86% women, mean age = 20) recruited from undergraduate courses and through an Instagram advertisement. The questionnaires assessed ON symptomatology; frequency of smoking, alcohol consumption, and illicit drug use; abuse of these substances; and motivations for using these substances. RESULTS: ON scores were not significantly related to the level of use or abuse of nicotine, alcohol, or most illicit drugs. Yet, ON scores were positively correlated with frequency of using illicit depressant drugs. Further, among substance users, ON scores were positively associated with smoking or vaping for the purpose of weight control, and with consuming alcohol and using illicit drugs for the purposes of conformity and coping with such negative emotions as anxiety and depression. CONCLUSION: Although people who are high in ON symptomatology may be at least partly driven by a strong desire to be as healthy as possible, they are not less likely to use potentially harmful drugs. Instead, many of them may even turn to certain drugs for the same weight control and emotional-coping motives that guide the behaviors of individuals with other eating disorders. LEVEL OF EVIDENCE: Level V, descriptive cross-sectional study.


Subject(s)
Orthorexia Nervosa , Substance-Related Disorders , Adaptation, Psychological , Adult , Anxiety , Cross-Sectional Studies , Female , Humans , Male , Substance-Related Disorders/psychology , Young Adult
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