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Depression Research and Treatment
Volume 2013 (2013), Article ID 451708, 8 pages
Research Article

Pattern of Change of Depressive Disorder over a One-Year Period among Community-Dwelling Older Adults in Québec

1Centre de Recherche Hôpital Charles LeMoyne, Campus de Longueuil, Montréal, QC, Canada J4K 0A8
2Laboratory of Gerontology, Department of Psychology, Université du Québec à Trois-Rivières, QC, Canada G9A 5H7
3Faculty of Medicine, Department of Social and Préventive Medicine, Université de Montréal, QC, Canada H3C 3J7
4Faculty of Medicine, Department of Community Health, Université de Sherbrooke, QC, Canada J1H 5N4

Received 1 August 2012; Accepted 24 February 2013

Academic Editor: H. Grunze

Copyright © 2013 Djemaa-Samia Mechakra-Tahiri et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The objective of this study was to describe changes in depression and its correlates, in community-dwelling elderly, over a 12-month period. Data come from a longitudinal ESA Study (Enquête sur la Santé des Aînés) of elderly persons (n = 2752). Depression was measured using the DSM-IV criteria. Polytomous logistic regression was used to assess relations, over time, between participant’s characteristics and depression. Among the 164 (5.9%) subjects, who were depressed at baseline, 19.5% were continuously ill cases and 80.4% had recovered, 12 months later. In polytomous regression, factors increasing the probability of the three depression states (persistence, recovery, and incidence) were daily hassles, stress intensity, and fair/poor self-rated mental health. Depression in old age is dynamic. Available prognostic factors can be taken into account to help direct treatment to elderly at highest risk of a poor prognosis.