The Structured Interview for Insight and Judgment in Dementia: Development and validation of a new instrument to assess awareness in patients with dementia

Teresa Parrao, Simone Brockman, Romola S. Bucks, David G. Bruce, Wendy A. Davis, Katherine K. Hatch, Tammy L. Leavy, Christine A P Axten, Sergio E. Starkstein

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Introduction Poor insight about their cognitive and functional deficits is highly prevalent in patients with Alzheimer's disease (AD); however, there is a lack of reliable, valid instrumentation to measure this construct. The aim of this study was to develop and validate a semistructured interview to assess insight and judgment in patients with AD and to provide information regarding the assessment of competency and risk in this population. Methods We validated the Structured Clinical Interview for Insight and Judgment in Dementia (SIJID) in a consecutive series of 124 patients with probable AD. The following psychometric properties were evaluated: internal consistency, test-retest reliability, interrater reliability, and convergent and predictive validity. Results The SIJID demonstrated high test-retest, interrater reliability and also showed strong discriminant and convergent validity. It showed good predictive validity based on 1-year follow-up information of the patient's clinical outcomes, with a significant association between higher SIJID total scores at baseline, and more severe neuropsychiatric symptoms and more severe caregiver distress at follow-up. Moreover, higher scores of dangerous behaviors at baseline were significantly correlated with a higher frequency of hospitalization and placement in residential care 1 year later. Conclusion The SIJID is a reliable and valid instrument to assess insight and judgment in patients with AD and is a valuable tool for assessing presence and severity of dangerous behaviors, determining risk, and providing critical information for the assessment of competency.

Original languageEnglish
Pages (from-to)24-32
Number of pages9
JournalAlzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring
Volume7
DOIs
Publication statusPublished - 2017

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