Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Disability Assessment for Dementia

  • Jessica FishEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1800




The disability assessment for dementia (DAD) is an informant-rated questionnaire or structured interview consisting of 40 items regarding the subject’s involvement in activities of daily living (ADLs). Seventeen items address basic ADLs (hygiene, dressing, continence, and eating), and 23 items relate to Instrumental ADLs (meal preparation, telephoning, going on an outing, finance and correspondence, medications, and leisure and housework). Items can be categorized as part of initiation, planning and organization, and effective performance subscales, though a total score is used most frequently. Non-applicable items (e.g., those that a patient did not participate in even before the onset of their illness) are excluded from scoring, with the final scores being converted to a percentage. Scores thus have a potential range from 0% to 100%, with higher percentage scores representing greater competence in ADLs. The assessment is designed to be conducted by a trained...

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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Medical Research Council Cognition and Brain Sciences UnitCambridgeUK