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Published in: Social Psychiatry and Psychiatric Epidemiology 10/2020

01-10-2020 | Antidepressant Drugs | Review

Social inequalities in antidepressant treatment outcomes: a systematic review

Authors: Deeksha Elwadhi, Alex Cohen

Published in: Social Psychiatry and Psychiatric Epidemiology | Issue 10/2020

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Abstract

Purpose

To identify, review and synthesize evidence on whether social disadvantage moderates antidepressant treatment outcomes, even when access to treatment is not a consideration.

Methods

The systematic review was done in accordance with PRIMSA guidelines. An a priori systematic search strategy was used to search databases (MEDLINE, PsychINFO, EMBASE, Global Health and Cochrane Trials Library) from their earliest entries through December 31, 2018. A two-step screening procedure was followed, and all experimental studies of antidepressant treatment in ICD/DSM diagnosed cases of depression were included. Studies with subjects < 18 years or investigating other modalities of treatment were excluded.

Results

Thirteen papers reporting analyses from nine studies met inclusion criteria. There was heterogeneity in sample sizes, target populations, treatment settings, clinical outcomes and definition of SES indices. The primary outcome was the relative effect of socioeconomic status (SES) (as measured by income, employment status and level of education)—on antidepressant treatment outcomes.

Conclusions

The evidence from this review suggests that lower SES may lead to social inequalities in antidepressant treatment outcomes even in the context of clinical trials in which all participants have equal access to the same high-quality, standardized care. The review calls for more careful consideration of the choice and operationalization of SES indicators, and the need to “employ sampling methods that ensure ample representation of individuals from a wide range of social worlds”. The review concludes with tentative suggestions about how to reduce social inequalities in antidepressant treatment outcomes at the level of individuals and populations.
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Metadata
Title
Social inequalities in antidepressant treatment outcomes: a systematic review
Authors
Deeksha Elwadhi
Alex Cohen
Publication date
01-10-2020
Publisher
Springer Berlin Heidelberg
Published in
Social Psychiatry and Psychiatric Epidemiology / Issue 10/2020
Print ISSN: 0933-7954
Electronic ISSN: 1433-9285
DOI
https://doi.org/10.1007/s00127-020-01918-5

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