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Eur Psychiatry. 2001 Feb;16(1):38-48.

The structured interview for anorexic and bulimic disorders for DSM-IV and ICD-10 (SIAB-EX): reliability and validity.

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  • 1Department of Psychiatry, University of Munich, Munich, Germany.



For reliable and valid assessment and diagnostic categorization of eating disorders, self-report measures have considerable limitations. A semi-structured interview - the SIAB-EX - was developed for a more reliable and valid assessment of eating disorders.


One study (videotapes of 31 inpatients, seven raters) was made to establish inter-rater reliability; in another study with 80 patients the SIAB-EX was compared to another semi-structured interview designed for comparable purposes (EDE). In a third study data was obtained on 377 eating disorder patients seeking treatment to explore discriminant and convergent (construct) validity using the following self-rating scales: EDI, TFEQ, SCL-90, BDI, and the PERI Demoralization Scale.


Inter-rater reliability of dichotomous ratings was good with mean kappa values of.81 (current) and.85 (past). Comparison of the SIAB-EX with the EDE generally showed quite similar results and higher intercorrelation of the total scale (.77). There are, however, a number of differences between the two scales, which are discussed in detail. Construct validity of the SIAB-EX was established.


Inter-rater reliability was good. Convergent and discriminant (construct) validity of the SIAB-EX was demonstrated. The constructs assessed by the SIAB and its subscales and items are discussed in the context of their correlations with other well-known scales.

[PubMed - indexed for MEDLINE]
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