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- Title
FURTHER DATA ON THE VALIDITY OF THE INFORMANT QUESTIONNAIRE ON COGNITIVE DECLINE IN THE ELDERLY (IQCODE).
- Authors
Jorm, A. F.; Broe, G. A.; Creasey, H.; Sulway, M. R.; Dent, O.; Fairley, M. J.; Kos, S. C.; Tennant, C.
- Abstract
The validity of the long and short forms of the IQCODE was studied in a group of 144 elderly ex-servicemen whose wives served as informants. The study examined the association of the IQCODE with clinical diagnosis of dementia, a battery of neuropsychological and psychological tests, CT scan findings and psychosocial characteristics of informants. For comparison, the validity of the Mini-Mental State Examination was also examined using the same standards. The IQCODE was found to perform as well as the Mini-Mental as a screening test for dementia. Unlike the Mini-Mental, it was not influenced by premorbid intelligence or education. However, it was influenced by other non-cognitive factors: the affective state and personality of the subject, the affective state of the informant and the quality of the relationship between the subject and the informant. The short and long forms of the IQCODE were highly correlated and had equal validity.
- Subjects
DEMENTIA; PSYCHOLOGICAL tests; MENTAL depression; DIAGNOSTIC imaging; MEDICAL care; NEUROBEHAVIORAL disorders; PSYCHOSES
- Publication
International Journal of Geriatric Psychiatry, 1996, Vol 11, Issue 2, p131
- ISSN
0885-6230
- Publication type
Article
- DOI
10.1002/(SICI)1099-1166(199602)11:2<131::AID-GPS294>3.0.CO;2-5