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Age-related variability in the presentation of symptoms of major depressive disorder

Published online by Cambridge University Press:  27 October 2016

R. Schaakxs*
Affiliation:
Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
H. C. Comijs
Affiliation:
Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
F. Lamers
Affiliation:
Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
A. T. F. Beekman
Affiliation:
Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
B. W. J. H. Penninx
Affiliation:
Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
*
*Address for correspondence: R. Schaakxs, Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Centre, Arent Janszoon Ernststraat 1187, 1081 HL, Amsterdam, The Netherlands. (Email: r.schaakxs@ggzingeest.nl)

Abstract

Background

The heterogeneous aetiology of major depressive disorder (MDD) might affect the presentation of depressive symptoms across the lifespan. We examined to what extent a range of mood, cognitive, and somatic/vegetative depressive symptoms were differentially present depending on patient's age.

Method

Data came from 1404 participants with current MDD (aged 18–88 years) from two cohort studies: the Netherlands Study of Depression and Anxiety (NESDA) and the Netherlands Study of Depression in Older Persons (NESDO). Associations between age (per 10 years) and 30 depressive symptoms as well as three symptom clusters (mood, cognitive, somatic/vegetative) were assessed using logistic and linear regression analyses.

Results

Depression severity was found to be stable with increasing age. Nevertheless, 20 (67%) out of 30 symptoms were associated with age. Most clearly, with ageing there was more often early morning awakening [odds ratio (OR) 1.47, 95% confidence interval (CI) 1.36–1.60], reduced interest in sex (OR 1.42, 95% CI 1.31–1.53), and problems sleeping during the night (OR 1.33, 95% CI 1.24–1.43), whereas symptoms most strongly associated with younger age were interpersonal sensitivity (OR 0.72, 95% CI 0.66–0.79), feeling irritable (OR 0.73, 95% CI 0.67–0.79), and sleeping too much (OR 0.75, 95% CI 0.68–0.83). The sum score of somatic/vegetative symptoms was associated with older age (B = 0.23, p < 0.001), whereas the mood and cognitive sum scores were associated with younger age (B = −0.20, p < 0.001; B = −0.04, p = 0.004).

Conclusions

Depression severity was found to be stable across the lifespan, yet depressive symptoms tend to shift with age from being predominantly mood-related to being more somatic/vegetative. Due to the increasing somatic presentation of depression with age, diagnoses may be missed.

Information

Type
Original Articles
Copyright
Copyright © Cambridge University Press 2016 

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