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Lancet. 2002 Jul 20;360(9328):225-6.

Prevalence of dementia in institutional care.

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Medical Research Council Biostatistics Unit, Institute of Public Health, University Forvie Site, Cambridge CB2 2SR, UK.


Information about dementia prevalence in residential and nursing care homes helps these institutions to meet residents' needs. We combined residential characteristics ascertained at a screening interview in 1991-93 with dementia diagnoses from assessment interviews in the UK Medical Research Council Cognitive Function and Ageing Study, a population-based study of 13004 elderly people. Almost 5% of people aged 65 years or older lived in institutions--34% (95% CI 30-39) of individuals with dementia. Within institutions, dementia prevalence was 62% (52-71), and was slightly higher in women than in men, with no increase by age. That most residents have dementia has implications for the type of care that institutions provide.

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