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Erschienen in:
13.02.2023 | Full length manuscript
Obsessive–Compulsive Symptomatology and Disgust Propensity in Disordered Eating Behaviors of Adolescents with Celiac Disease
Erschienen in: International Journal of Behavioral Medicine | Ausgabe 1/2024
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Background
Considering the importance of underlying psychopathological mechanisms that mediate maladaptive eating behaviors in celiac disease (CD) in the determination of cognitive-behavioral therapeutic approaches, we investigated the impact of obsessive–compulsive symptomatology and disgust propensity on disordered eating attitudes (DEA) and poor gluten-free diet (GFD) compliance in adolescents with CD.
Method
Adolescents with biopsy-proven CD (n = 148, aged 12–18 years) were compared with age- and sex-matched controls (n = 104) in terms of eating attitudes/behaviors, obsessive–compulsive symptoms, and disgust propensity, as well as depression and anxiety to rule out depression- and anxiety-related covariates. The clinical implications associated with poor GFD compliance were determined using between-subgroup analysis. Multivariate linear regression and multiple logistic regression were used to identify predictors of DEA and GFD noncompliance, respectively.
Results
In adolescents with CD, DEA was remarkably associated with obsessive–compulsive symptom severity and disgust propensity, especially in contamination and core disgust sub-dimensions. Obsessionality and disgust propensity were independent predictors of DEA, of which the obsessive–compulsive symptom severity was the most decisive predictor of DEA. Higher DEA severity and lower body mass index were independent predictors of poor GFD compliance.
Conclusion
Higher obsessionality, accompanied by disgust-related evaluative conditioning processes, may contribute to constructing a cognitive network consisting of hypervigilance and catastrophic interpretations towards benign somatic stimulations, food-related preoccupations, and avoidant behaviors in the disordered eating of adolescents with CD. The reciprocal relationship between lifelong GFD and DEA, mediated by obsessionality and disgust propensity, was supported by current findings that could guide clinicians in the management of maladaptive eating behaviors in adolescents with CD.