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Development and validation of the schedule for the assessment of insight in eating disorders (SAI-ED)

Konstantakopoulos, G; Georgantopoulos, G; Gonidakis, F; Michopoulos, I; Stefanatou, P; David, AS; (2020) Development and validation of the schedule for the assessment of insight in eating disorders (SAI-ED). Psychiatry Research , 292 , Article 113308. 10.1016/j.psychres.2020.113308. Green open access

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Abstract

This study examined the reliability, validity and internal structure of the newly developed, interview-based Schedule for the Assessment of Insight in Eating Disorders (SAI-ED) and the relationships of insight with demographic and clinical characteristics in EDs. Ninety-four female patients – 44 with anorexia nervosa (AN) and 50 with bulimia nervosa (BN) – were assessed with SAI-ED. The Brown Assessment of Beliefs Scale was used to evaluate convergent validity of SAI-ED. Hierarchical cluster analysis and multidimensional scaling were used to identify insight components and assess their inter-relationships. The final 8-item SAI-ED demonstrated good psychometric properties. Inter-rater and test-retest reliabilities were high. Three subscales of SAI-ED were identified which measure major insight components: awareness of illness, awareness of symptoms, and treatment engagement. Patients with AN had significant lower score on SAI-ED than patients with BN. Impaired insight was associated with: (a) lower current and lowest lifetime BMI and more severe dietary restrain in AN, (b) illness duration, severity of overall ED symptoms, body-related concerns and obsessionality in BN. Insight is a multidimensional construct in EDs associated with different clinical aspects in AN and BN. The SAI-ED is a valid and reliable tool for the assessment of insight in EDs patients.

Type: Article
Title: Development and validation of the schedule for the assessment of insight in eating disorders (SAI-ED)
Location: Ireland
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.psychres.2020.113308
Publisher version: https://doi.org/10.1016/j.psychres.2020.113308
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: insight, anorexia nervosa, bulimia nervosa, treatment compliance, clinical assessment
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Division of Psychiatry
URI: https://discovery.ucl.ac.uk/id/eprint/10108117
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