• Andrea A Jones, Lianne L Cho, David D Kim, Skye P Barbic, Olga Leonova, Alexandra Byford, Tari Buchanan, Fidel Vila-Rodriguez, Ric M Procyshyn, Donna J Lang, A Talia Vertinsky, G William MacEwan, Alexander Rauscher, William J Panenka, Allen E Thornton, Alasdair M Barr, Thalia S Field, and William G Honer.
• Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada.
• Pain. 2022 Nov 1; 163 (11): 2213-2223.

AbstractPain and related consequences could contribute to comorbid illness and premature mortality in homeless and precariously housed persons. We analyzed longitudinal data from an ongoing naturalistic prospective study of a community-based sample (n = 370) to characterize risk factors and consequences of bodily pain. The aims were to describe bodily pain and associations with symptoms and psychosocial function, investigate factors that may increase or ameliorate pain, and examine the consequences of pain for symptoms, functioning, and all-cause mortality. Bodily pain severity and impact were rated with the 36-item Short Form Health Survey Bodily Pain Scale monthly over 5 years. Mixed-effects linear regression models estimated the effects of time-invariant and time-varying risk factors for pain, verified by reverse causality and multiple imputation analysis. Regression models estimated the associations between overall person-mean pain severity and subsequent functioning and suicidal ideation, and Cox proportional hazard models assessed association with all-cause mortality. Bodily pain of at least moderate severity persisted (>3 months) in 64% of participants, exceeding rates expected in the general population. Greater pain severity was associated with depressive symptom severity and month-to-month opioid use, overlaid on enduring risk associated with age, arthritis, and posttraumatic stress disorder. The frequency of prescribed and nonprescribed opioid use had nonlinear relationships with pain: intermittent use was associated with severe pain, without reverse association or change with the overdose epidemic. Greater longitudinal mean pain severity was associated with premature mortality, poorer functioning, and suicidal ideation. Considering the relationships between pain, intermittent opioid use, and depressive symptoms could improve health care for precariously housed patients.Copyright © 2022 International Association for the Study of Pain.

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