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Published in: BMC Psychiatry 1/2021

Open Access 01-12-2021 | Mood Disorders | Research

The effect of depressive symptoms on pain in a substance-using population with persistent pain: a cross-sectional cohort study

Authors: Pauline Voon, Jin Cheol Choi, Kanna Hayashi, M-J Milloy, Jane Buxton, Thomas Kerr

Published in: BMC Psychiatry | Issue 1/2021

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Abstract

Background

In light of the ongoing opioid overdose crisis, there is an urgent need for research on the impacts of mental health among people presenting with concurrent pain and substance use. This study examined the effect of depressive symptoms on pain severity and functional interference among people who use drugs (PWUD) during a community-wide overdose crisis.

Methods

From December 1st 2016 to December 31st 2018, 288 participants in two cohort studies of PWUD in Vancouver, Canada completed interviewer-administered questionnaires that included the Brief Pain Inventory and PROMIS Emotional Distress–Depression instruments. Generalized linear regression modelling (GLM) was used to examine the cross-sectional effect of depressive symptoms and other confounding factors on pain severity and interference.

Results

Moderate to severe depressive symptoms were significantly associated with greater pain-related functional interference (adjusted β = 1.24, 95% confidence interval [CI] = 0.33–2.15), but not significantly associated with greater average pain severity (adjusted β = 0.22, 95% CI = − 0.3 – 0.82), when controlling for confounding variables. Reported daily heroin use (adjusted β = 1.26, 95% CI = 0.47–2.05) and non-fatal overdose (adjusted β = 1.02, 95% CI = 0.08–1.96) were also significantly associated with greater pain-related functional interference.

Conclusions

In a substance-using population, greater pain-related functional interference was positively associated with depressive symptoms as well as overdose and daily heroin use. These findings emphasize the need to address the functional impact of pain, mental health comorbidity, and high-risk substance use that may contribute to overdose and other harms.
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Metadata
Title
The effect of depressive symptoms on pain in a substance-using population with persistent pain: a cross-sectional cohort study
Authors
Pauline Voon
Jin Cheol Choi
Kanna Hayashi
M-J Milloy
Jane Buxton
Thomas Kerr
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Psychiatry / Issue 1/2021
Electronic ISSN: 1471-244X
DOI
https://doi.org/10.1186/s12888-021-03424-7

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