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Dement Geriatr Cogn Disord. 2013;35(1-2):77-86. doi: 10.1159/000345984. Epub 2013 Jan 29.

Prevalence of dementia in elderly clients of a private health care plan: a study of the FIBRA-RJ, Brazil.

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1
Department of Epidemiology, Institute of Social Medicine, State University of Rio de Janeiro, Rio de Janeiro, Brazil.

Abstract

AIMS:

To describe the overall prevalence of dementia syndrome and its major subtypes among elderly clients of a private health care plan and to ascertain the association between this syndrome and socioeconomic characteristics.

METHODS:

A survey was organized in two stages: screening for cognitive impairment and diagnostic evaluation. The study population comprised 683 elderly subjects (aged >67 years), an expanded sample of 7,486 individuals, of the database of the FIBRA-RJ, which evaluated clients of a private health care plan residing in northern districts of the municipality of Rio de Janeiro, Brazil. The diagnosis of dementia was obtained according to DSM-IV criteria.

RESULTS:

A total of 115 individuals were diagnosed with dementia, resulting in a prevalence of 16.9% (95% CI = 14.4-19.8). The association was strongest among older age groups, i.e. 85-89 years old (prevalence ratio = 8.85; 95% CI = 2.11-37.11) and 90 or more years old (prevalence ratio = 8.85; 95% CI = 2.11-37.11), and among illiterate people (prevalence ratio = 2.77; 95% CI = 1.07-7.19). Sex, personal income and marital status displayed no association with dementia.

CONCLUSION:

The prevalence of dementia was higher than found by population-based studies. These findings point to a possibility of a high demand for specialized services among older adults served by the private health care sector.

PMID:
23364129
DOI:
10.1159/000345984
[Indexed for MEDLINE]

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