Late life depression: A comparison of risk factors and symptoms according to age of onset in community dwelling older adults

Damien Gallagher, Aine Ni Mhaolain, Elaine Greene, Cathal Walsh, Aisling Denihan, Irene Bruce, Jeannette Golden, Ronan M. Conroy, Michael Kirby, Brian A. Lawlor

Research output: Contribution to journalArticlepeer-review

Abstract

Background It has been reported that late onset depression is more frequently associated with acquired organic pathology and that patients are less likely to report a family history of depression. Differences in phenomenology according to age of onset have been described although these have not been consistently replicated. The majority of these studies have been in hospital populations. The aim of this study is to address this question in a sample of community dwelling older adults. Methods 89 subjects with GMS-AGECAT depression were identified from a sample of 1231 community dwelling adults aged 65 years and over. Subjects were analysed across a range of aetiological and phenomenological variables according to age of onset of first depressive episode. Results Subjects with late onset depression (≤yen; 60) were significantly less likely to report a family history of depression, were less likely to report previous hospitalisation for depression and had greater cognitive impairment. Late onset subjects were also less likely to report feelings of guilt or thoughts that life was not worth living in the previous month. Conclusion While we found that patients with late onset depression differed from early onset patients according to certain aetiological risk factors, we did not find a distinctive profile of depressive symptomatology which might be considered clinically useful at an individual level. These findings are consistent with studies based in hospital populations.

Original languageEnglish
Pages (from-to)981-987
Number of pages7
JournalInternational Journal of Geriatric Psychiatry
Volume25
Issue number10
DOIs
Publication statusPublished - Oct 2010
Externally publishedYes

Keywords

  • aetiology
  • late onset depression
  • phenomenology

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