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Published on: November 21, 2013
Psychometric Properties of Instruments to Assess Movement Disorders in People With Intellectual Disabilities Using
Maria Louise Dieudonnée Hoekstra-van Duijn1,2, Maureen Bernardina Gerhardus Wissing1,2, Bibi den Haan1,2
1Department of General Practice, Intellectual Disability Medicine Research, Erasmus MC, University Medical Center, Rotterdam, the Netherlands.
Background:
Assessing movement disorders-side effects of antipsychotics-can be challenging in people with intellectual disabilities. This systematic literature review aims to provide a comprehensive overview of the psychometric properties of instruments used to assess movement disorders in people with intellectual disabilities using antipsychotics.
Methods:
A comprehensive search was conducted across multiple databases. Results of psychometric properties for each instrument in the included studies were extracted.
Results:
Ten studies were included, evaluating psychometric properties of seven instruments (DISCUS, AIMS, CLAMPS, ARMS, checklist for motor restlessness, MEDS and analogue functional analyses). There was not a singular instrument that consistently demonstrated good feasibility, interrater reliability and validity across studies.
Conclusions:
Findings suggest that instruments lack evidence of good psychometric quality for assessing movement disorders in people with intellectual disabilities using antipsychotics. Future research should focus on the evaluation of psychometric properties of existing instruments and develop and validate novel instruments.
