Common Contracts

License: Licence agreement concerning inclusion of doctoral thesis in the Institutional Repository of the University of Leiden

April 3rd, 2009

• Filed
  April 3rd, 2009

This study compared maladaptive core beliefs of eating-disordered groups (full and sub-threshold syndrome) and healthy controls and investigated the association between eating disorder symptoms and core beliefs. Participants were compared on self-report measures of core beliefs (YSQ) and eating disorder psychopathology (BITE). Anorexia nervosa (AN; both subtypes) and bulimia nervosa (BN) patients had significantly more core beliefs than healthy controls. Binge eating disorder (BED) patients had intermediate scores between AN and BN on the one hand and healthy controls on the other hand. No correlation was found between core beliefs and frequency of binge eating. Frequency of vomiting, laxative misuse and fasting was positively associated with all domains of core beliefs. Patients with eating disorders have some core beliefs, which are not directly related to eating, weight or shape. Frequency of purging and fasting behaviours is associated with more severe maladaptive core beliefs. Our