Eating disorders in weight-related therapy (EDIT): Protocol for a systematic review with individual participant data meta-analysis of eating disorder risk in behavioural weight management

Hiba Jebeile*, Natalie B. Lister, Sol Libesman, Kylie E. Hunter, Caitlin M. McMaster, Brittany J. Johnson, Louise A. Baur, Susan J. Paxton, Sarah P. Garnett, Amy L. Ahern, Denise E. Wilfley, Sarah Maguire, Amanda Sainsbury, Katharine Steinbeck, Lisa Askie, Caroline Braet, Andrew J. Hill, Dasha Nicholls, Rebecca A. Jones, Genevieve DammeryAlicia M. Grunseit, Kelly Cooper, Theodore K. Kyle, Faith A. Heeren, Fiona Quigley, Rachel D. Barnes, Melanie K. Bean, Kristine Beaulieu, Maxine Bonham, Kerri N. Boutelle, Braulio Henrique Magnani Branco, Simona Calugi, Michelle I. Cardel, Kelly Carpenter, Hoi Lun Cheng, Riccardo Dalle Grave, Yngvild S. Danielsen, Marcelo Demarzo, Aimee Dordevic, Dawn M. Eichen, Andrea B. Goldschmidt, Anja Hilbert, Katrijn Houben, Mara Lofrano do Prado, Corby K. Martin, Anne McTiernan, Janell L. Mensinger, Carly Pacanowski, Wagner Luiz do Prado, Sofia M. Ramalho, Hollie A. Raynor, Elizabeth Rieger, Eric Robinson, Vera Salvo, Nancy E. Sherwood, Sharon A. Simpson, Hanna F. Skjakodegard, Evelyn Smith, Stephanie Partridge, Marian Tanofsky-Kraff, Rachael W. Taylor, Annelies Van Eyck, Krista A. Varady, Alaina P. Vidmar, Victoria Whitelock, Jack Yanovski, Anna L. Seidler

*Corresponding author for this work

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    Abstract

    The Eating Disorders In weight-related Therapy (EDIT) Collaboration brings together data from randomised controlled trials of behavioural weight management interventions to identify individual participant risk factors and intervention strategies that contribute to eating disorder risk. We present a protocol for a systematic review and individual participant data (IPD) meta-analysis which aims to identify participants at risk of developing eating disorders, or related symptoms, during or after weight management interventions conducted in adolescents or adults with overweight or obesity. We systematically searched four databases up to March 2022 and clinical trials registries to May 2022 to identify randomised controlled trials of weight management interventions conducted in adolescents or adults with overweight or obesity that measured eating disorder risk at pre- and post-intervention or follow-up. Authors from eligible trials have been invited to share their deidentified IPD. Two IPD meta-analyses will be conducted. The first IPD meta-analysis aims to examine participant level factors associated with a change in eating disorder scores during and following a weight management intervention. To do this we will examine baseline variables that predict change in eating disorder risk within intervention arms. The second IPD meta-analysis aims to assess whether there are participant level factors that predict whether participation in an intervention is more or less likely than no intervention to lead to a change in eating disorder risk. To do this, we will examine if there are differences in predictors of eating disorder risk between intervention and no-treatment control arms. The primary outcome will be a standardised mean difference in global eating disorder score from baseline to immediately post-intervention and at 6- and 12- months follow-up. Identifying participant level risk factors predicting eating disorder risk will inform screening and monitoring protocols to allow early identification and intervention for those at risk.

    Original languageEnglish
    Article numbere0282401
    JournalPLoS ONE
    Volume18
    Issue number7 July
    DOIs
    Publication statusPublished - Jul 2023

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