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Eating disorders have a profound and highly specific impact on psychosocial functioning. The aim of this research was to develop a measure of such secondary impairment. A 16-item, self-report instrument was developed, the Clinical Impairment Assessment (CIA), which was designed to measure such impairment overall and in three specific domains (personal, cognitive, social). The psychometric properties of the instrument were evaluated using data collected in the context of a transdiagnostic treatment trial. The findings consistently supported the utility of the instrument with the CIA being shown to have high levels of internal consistency, construct and discriminant validity, test-retest reliability, and sensitivity to change. The CIA should be of value to clinicians when assessing patients with eating disorders and their response to treatment. It should also help inform epidemiological research.

Original publication

DOI

10.1016/j.brat.2008.06.012

Type

Journal article

Journal

Behav Res Ther

Publication Date

10/2008

Volume

46

Pages

1105 - 1110

Keywords

Adolescent, Adult, Aged, Anorexia Nervosa, Bulimia, Humans, Middle Aged, Psychometrics, Quality of Life, Self-Assessment, Sensitivity and Specificity, Sickness Impact Profile, Surveys and Questionnaires