The Cornell-Brown Scale for Quality of Life in Dementia

Summary:
Quality of life (QOL) in patients diagnosed with dementia is of critical importance. Reliable and valid measurement of patient QOL is essential to evaluate the effectiveness of treatment interventions and to gain a better understanding of the detrimental impact of dementia on patients’ lives. In this study, the psychometric properties of a new scale developed to measure QOL, the Cornell-Brown Scale for Quality of Life, were examined. Data were collected from 50 dementia clinic outpatients with a range of cognitive impairment. Scale ratings were based on a brief, joint interview with caregivers and patients. Findings indicated that the scale demonstrated adequate interrater reliability (intraclass r = 0.90) and internal consistency reliability (Cronbach alpha = 0.81). Criterion validity was indicated by a positive correlation between QOL scores and visual analogue positive…

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