The psychogeriatric assessment scales (PAS): Further data onpsychometric properties and validity from a longitudinal study of theelderly
A.F. Jorm
Bok Engelsk 1997
| Utgitt | 1997
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| Omfang | Side 93- 100
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| Opplysninger | The PAS is a standardized interview which assesses the changes seenin dementia and depression using a set of scales, There are threescales derived from an interview with the subject (cognitiveimpairment, depression, stroke) and three from an interview with aninformant (cognitive decline, behaviour change, stroke). The aim wasto provide data on the psychometric properties and validity of thePAS. The scales were originally developed using data from the firstwave of a longitudinal study of the elderly. Reported here arefurther data on the PAS from the second wave of the same study,carried out 3 1/2 years later. The setting was a community surveycarried out in the Australian city of Canberra. Seven hundred andnine elderly persons, with a mean age of 80 years, and 641 informantsparticipated, Besides the PAS, participants were administered severalother scales: the Mini-Mental State Examination, the InformantQuestionnaire on Cognitive Decline in the Elderly, the National AdultReading Test and the Goldberg anxiety and depression scales.Diagnoses of dementia and depression were made with the CanberraInterview for the Elderly, from which the PAS is derived.Confirmatory factor analysis replicated the five-factor model whichunderpins the PAS. The PAS was found to correlate with the otherscales having similar content and showed correspondence withdiagnoses of dementia and depression derived from the CanberraInterview for the Elderly, Longitudinal data supported the validityof the cognitive decline scale as a measure of change. Overall, theresults support the original psychometric and validity research onthe PAS.
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