Journal article

Reciprocal Relations Between Dietary Restraint and Negative Affect in Adolescents Receiving Treatment for Anorexia Nervosa

Eva Pila, Stuart B Murray, Daniel Le Grange, Susan M Sawyer, Elizabeth K Hughes

Journal of Abnormal Psychology | AMER PSYCHOLOGICAL ASSOC | Published : 2019


Recent research has identified the important but overlooked role of negative affect in the maintenance of dietary restriction. However, understanding how fluctuations in negative affect relate to symptoms of anorexia nervosa (AN) during treatment is limited. In a longitudinal study, the reciprocal associations between higher and lower order dimensions of negative affect and dietary restraint were examined in adolescents undergoing treatment for AN. The sample consisted of 107 adolescents (Mage = 15.5, SD = 1.5 years) who underwent family-based treatment over the course of 6 months. Self-report data assessing negative affect and dietary restraint were collected at baseline, 6 times throughout..

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Awarded by National Institute of Mental Health

Funding Acknowledgements

Support for this study was provided by a grant from the Baker Foundation (Australia). Eva Pila is supported by a Centre for Addiction and Mental Health postdoctoral fellowship. Stuart B. Murray is supported by the National Institute of Mental Health (K23 MH115184). Elizabeth K. Hughes is supported by the Baker Foundation (Australia). The Murdoch Children's Research Institute is supported by the Victorian Government's Operational Infrastructure Support Program. Ethics approval for the main study protocol was granted by the Royal Children's Hospital Human Research Ethics Committee (30035). Stuart B. Murray receives royalties from Oxford University Press and Routledge. Daniel Le Grange receives royalties from Guilford Press and Routledge, and is co-director of the Training Institute for Child and Adolescent Eating Disorders, LLC.