Confinement during the COVID-19 pandemic is expected to have a serious and complex impact on the mental health of patients with an eating disorder (ED) and of patients with obesity. The present manuscript has the following aims: (1) to analyse the psychometric properties of the COVID Isolation Eating Scale (CIES), (2) to explore changes that occurred due to confinement in eating symptomatology; and (3) to explore the general acceptation of the use of telemedicine during confinement. The sample comprised 121 participants (87 ED patients and 34 patients with obesity) recruited from six different centres. Confirmatory Factor Analyses (CFA) tested the rational-theoretical structure of the CIES. Adequate goodness-of-fit was obtained for the confirmatory factor analysis, and Cronbach alpha values ranged from good to excellent. Regarding the effects of confinement, positive and negative impacts of the confinement depends of the eating disorder subtype. Patients with anorexia nervosa (AN) and with obesity endorsed a positive response to treatment during confinement, no significant changes were found in bulimia nervosa (BN) patients, whereas Other Specified Feeding or Eating Disorder (OSFED) patients endorsed an increase in eating symptomatology and in psychopathology. Furthermore, AN patients expressed the greatest dissatisfaction and accommodation difficulty with remote therapy when compared with the previously provided face-to-face therapy. The present study provides empirical evidence on the psychometric robustness of the CIES tool and shows that a negative confinement impact was associated with ED subtype, whereas OSFED patients showed the highest impairment in eating symptomatology and in psychopathology.

1st Department of Paediatrics Semmelweis University Budapest Hungary

Associació Contra l'Anorèxia i la Bulímia Barcelona Spain

Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas Madrid Spain

Centro de Investigación Biomédica en Red de Salud Mental ISCIII Madrid Spain

CESP Univ Paris Sud UVSQ INSERM U 1178 Université Paris Saclay [Paris Saclay University] Villejuif France

Child and Adolescent Psychiatry and Psychology Department Hospital Sant Joan de Déu and Institut de Recerca Sant Joan de Déu Esplugues de Llobregat Spain

CIBER Fisiopatología Obesidad y Nutrición Instituto de Salud Carlos 3 Barcelona Spain

D Uznadze Institute of Psychology Ilia State University Tbilisi Georgia

Department of Clinical Psychology Shanghai Mental Health Center Shanghai Jiaotong University School of Medicine Shanghai China

Department of Clinical Sciences Lund Psychiatry Faculty of Medicine Lund University Lund Sweden

Department of Clinical Sciences School of Medicine and Health Sciences University of Barcelona Barcelona Spain

Department of Endocrinology and Nutrition Virgen de la Victoria University Hospital and Instituto de Investigación Biomédica de Málaga Málaga Spain

Department of Neuroscience University of Padua and Neuroscience Center Padua Italy

Department of Physiology CIMUS University of Santiago de Compostela Instituto de Investigación Sanitaria Santiago de Compostela Spain

Department of Psychiatry 1st Medical Faculty of Charles University Prague Czech Republic

Department of Psychiatry and Legal Medicine Universitat Autònoma de Barcelona Barcelona Spain

Department of Psychiatry Bellvitge University Hospital IDIBELL Barcelona Spain

Department of Psychiatry Germans Trias i Pujol University Hospital IGTP Barcelona Spain

Department of Psychiatry Hospital de la Santa Creu i Sant Pau e Institut d'Investigació Biomèdica Sant Pau Barcelona Spain

Department of Psychiatry Institut Mutualiste Montsouris School of Medicine Université Paris Descartes Paris France

Department of Psychiatry Seoul Paik Hospital Inje University Seoul South Korea

Department of Psychobiology and Methodology School of Psychology Universitat Autònoma de Barcelona Barcelona Spain

Eating Disorders Program Department of Psychiatry University of California San Francisco California USA

Eating Disorders Unit Department of Child and Adolescent Psychiatry Medical University of Vienna Vienna Austria

Endocrinology and Nutrition Division Hospital Clinic and Institut d'Investigacions Biomèdiques August Pi Sunyer Barcelona Spain

Faculty of Medicine and Health Sciences University Antwerp Antwerp Belgium

Faculty of Psychology and Educational Sciences KU Leuven Leuven Belgium

FITA Foundation Barcelona Spain

Gambling Disorder Unit Malmö Addiction Center Malmö Sweden

Infectious Diseases Department Hospital Universitari Bellvitge Institut de Investigació Biomedica de Bellvitge and Institut Català d'Oncologia Hospitalet IDIBELL Barcelona Spain

Institute of Behavioural Sciences Semmelweis University Budapest Hungary

Institute of Physiology Komi Science Center UB RAS Syktyvkar Russian Federation

Institute of Psychiatry of Taras Shevchenko National University of Kyiv Kyiv Ukraine

International University of Health and Welfare Psychiatry Narita Japan

Melbourne School of Psychological Sciences Faculty of Medicine Dentistry and Health Sciences University of Melbourne Melbourne Australia

Metabolic Research Laboratory Clínica Universidad de Navarra University of Navarra IdiSNA Pamplona Spain

Psychotherapy and Psychopathology Research Unit Psychology Research Center School of Psychology University of Minho Braga Portugal

REIPI Instituto de Salud Carlos 3 Madrid Spain

Safra Children's Hospital Chaim Sheba Medical Center Tel Hashomer Israel

Section of Eating Disorders Department of Psychological Medicine Institute of Psychiatry Psychology and Neuroscience King's College London London UK

UFR des Sciences de la Santé Simone Veil Praticienne Hospitalière Fondation Santé des Etudiants de France Paris France

UNIBS University of the Free State Bloemfontein South Africa

Unit of Diabetes Endocrinology and Nutrition Hospital de Girona Dr Josep Trueta and Institut d'Investigació Biomèdica de Girona Girona Spain

Universidad Internacional de La Rioja Logroño La Rioja Spain

Vilnius University Eating Disorders Center Vilnius Lithuania

Vytautas Magnus University Kaunas Lithuania

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Impact of COVID-19 Lockdown in Eating Disorders: A Multicentre Collaborative International Study