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, 35 (1-2), 77-86

Prevalence of Dementia in Elderly Clients of a Private Health Care Plan: A Study of the FIBRA-RJ, Brazil

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Prevalence of Dementia in Elderly Clients of a Private Health Care Plan: A Study of the FIBRA-RJ, Brazil

Pricila Cristina Correa Ribeiro et al. Dement Geriatr Cogn Disord.

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.

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