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Br J Psychiatry. 1999 Apr;174:307-11.

Review of community prevalence of depression in later life.

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1
Department of Psychiatry, Vrije Universiteit Amsterdam, The Netherlands.

Abstract

BACKGROUND:

Despite considerable interest, there is no consensus regarding the prevalence of depression in later life.

AIMS:

To assess the prevalence of late-life depression in the community.

METHOD:

A systematic review of community-based studies of the prevalence of depression in later life (55+). Literature was analysed by level of caseness at which depression was defined and measured.

RESULTS:

Thirty-four studies eligible for inclusion were found. The reported prevalence rates vary enormously (0.4-35%). Arranged according to level of caseness, major depression is relatively rare among the elderly (weighted average prevalence 1.8%), minor depression is more common (weighted average prevalence 9.8%), while all depressive syndromes deemed clinically relevant yield an average prevalence of 13.5%. There is consistent evidence for higher prevalence rates for women and among older people living under adverse socio-economic circumstances.

CONCLUSIONS:

Depression is common in later life. Methodological differences between studies preclude firm conclusions about cross-cultural and geographical variation. Improving the comparability of epidemiological research constitutes an important step forward.

PMID:
10533549
[Indexed for MEDLINE]

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