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  • Title: An examination of the transdiagnostic cognitive-behavioural model of eating disorders in adolescents.
    Author: Jones EJ, Egan SJ, Howell JA, Hoiles KJ, Mazzucchelli TG.
    Journal: Eat Behav; 2020 Dec; 39():101445. PubMed ID: 33142128.
    Abstract:
    OBJECTIVE: The validity of the transdiagnostic cognitive-behavioural model of eating disorders has been examined in adults, however there is limited examination in adolescents with eating disorders. The present study examined the direct and indirect relationships between eating disorder symptoms and the four maintaining processes: perfectionism, low core self-esteem, mood intolerance, and interpersonal difficulties. METHOD: Using a correlational cross-sectional design, adolescents with eating disorders (N = 270; anorexia nervosa [restricting; 35.9%]; anorexia nervosa [binge purge; 8.1%]; bulimia nervosa [9.3%]; atypical anorexia nervosa [27.4%]; bulimia nervosa [of low frequency and/or limited duration; 3%]; purging [1.1%]; and unspecified feeding or eating disorders [15.2%]) completed measures of perfectionism, self-esteem, mood intolerance, interpersonal difficulties, and eating disorder symptoms as part of the intake assessment to an eating disorders program. RESULTS: Path analysis revealed that low self-esteem and mood intolerance were directly associated with eating disorder symptoms. Perfectionism was indirectly associated with eating disorder symptoms through self-esteem and mood intolerance. DISCUSSION: The findings provide partial support for the transdiagnostic model of eating disorders in an adolescent clinical sample. In particular, core low self-esteem and mood intolerance were found to be pertinent in adolescents with eating disorders. A limitation of the current study was the use of cross-sectional data. Future research should examine the transdiagnostic model with the use of longitudinal data. Furthermore, future research is required to examine potential differences in the way the maintaining mechanisms operate between adolescents and adults with eating disorders and the implications for treatment.
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