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[Behavioral dimensions in elderly patients: factor structure of the Behavioral Observation Scale for Intramural
J F de Jonghe1, P J Calis, P G Boom-Poels
1Psychiatrisch Centrum Vogelenzang, Bennebroek.
Abstract:
This study reports on the factor-structure of the Dutch Behavior Rating scale for Psychogeriatric Inpatients (GIP). Data were obtained from a heterogeneous population (n = 2845). The twelve-factor solution closely resembles the original GIP subscales. Mood stood out as a separate factor in all analyses. Cognition and behavioral disturbances were highly interrelated. A second order analysis revealed three basic dimensions or "syndromes': cognition-hyporeactivity, cognition-disinhibition and mood. An optimal grouping of the original subscales is: social behavior (sub-scales 1-4), cognition (5-10) and mood (11-14). Based on our previous work with the GIP, discriminant analysis predicted diagnostic group membership of psychogeriatric nursing home patients very well.