• Child abuse & neglect · Jul 2019

    The relationship between childhood emotional abuse and chronic pain among people who inject drugs in Vancouver, Canada.

    • Amy Prangnell, Pauline Voon, Hennady Shulha, Ekaterina Nosova, Jean Shoveller, M-J Milloy, Thomas Kerr, and Kanna Hayashi.
    • British Columbia Centre on Substance Use, 400-1045 Howe Street, Vancouver, BC, V6Z 2A9, Canada; School of Population and Public Health, University of British Columbia, 2206 East Mall, Vancouver, BC, V6T 1Z9, Canada. Electronic address: amy.prangnell@bccsu.ubc.ca.
    • Child Abuse Negl. 2019 Jul 1; 93: 119-127.

    BackgroundPeople who inject drugs (PWID) often contend with chronic pain as a result of illness and trauma, and such pain is known to have significant impacts on mental health, quality of life, and substance use behaviours. Although PWID are also known to have high rates of childhood trauma, little is known about how childhood emotional abuse may be associated with chronic pain in this population.ObjectiveWe undertook this study to explore emotional abuse and chronic pain among PWID.Participants And SettingThis study comprised a total of 1459 participants in Vancouver, Canada between June 2014 and November 2016.MethodsWe employed multivariable generalized estimating equations with data derived from two prospective cohort studies of community-recruited PWID to examine the relationship between childhood emotional abuse and chronic pain in the past six months.ResultsAmong eligible participants, 591 (40.5%) reported childhood emotional abuse, and 760 (52.1%) reported chronic pain in the previous six months. In a multivariable analysis, experiencing childhood emotional abuse remained independently associated with chronic pain (adjusted odds ratio: 1.25; 95% confidence interval: 1.01-1.53) after adjustment for a range of socio-demographic and drug use confounders.ConclusionsOur findings suggest that childhood emotional abuse may have lasting relationships with chronic pain among PWID, potentially through established physiological and psychological mechanisms. Current chronic pain treatment may benefit from the evaluation of life course vulnerabilities that may be amenable to earlier interventions. Further, increased availability of effective trauma-informed chronic pain treatment is needed among this vulnerable population.Copyright © 2019. Published by Elsevier Ltd.

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