Late life depression and incident activity limitations: influence of gender and symptom severity.

Abstract : BACKGROUND: Mental disorders, especially depression, are one of the principal causes of disablement. Previous research has been limited partly due to the failure to take into account sub-syndromal states and the very large number of candidate mediating and confounding factors. METHODS: Longitudinal associations between baseline depressive symptomatology and activity limitations were examined in a community-dwelling elderly cohort of 3191 participants. Mixed logistic models were used to determine associations between mild or severe depressive symptoms (Center for Epidemiologic Studies-Depression Scale, CES-D), and 7-year incident disability on four limitation scales assessing instrumental and basic activities of daily living, mobility using the Rosow and Breslau scale, and social restriction. RESULTS: In men, mild depressive symptomatology was associated with increased incident limitations on instrumental activities of daily living (IADL) (odds ratio (OR) (95% CI)=5.07 (2.25-11.42)). In women, severe depressive symptomatology was related to social restriction (OR (95% CI)=2.36 (1.31-4.25)), IADL (OR (95% CI)=1.89 (1.13-3.15)) and activities of daily living (OR (95% CI)=11.15 (3.43-36.23)). Men and women with a 2-year increase in CES-D score were highly at risk for social restriction and limitations in mobility and IADL. CONCLUSION: Depression is an independent predictor of disability in the elderly population; the relation is gender-dependent and varies with symptom load.
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Isabelle Carrière, Laure-Anne Gutierrez, Karine Pérès, Claudine Berr, Pascale Barberger-Gateau, et al.. Late life depression and incident activity limitations: influence of gender and symptom severity.. Journal of Affective Disorders, Elsevier, 2011, 133 (1-2), pp.42-50. 〈10.1016/j.jad.2011.03.020〉. 〈inserm-00590366〉

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