Striking subgroup differences in substance-related mortality after release from prison

Forsyth, Simon J., Alati, Rosa, Ober, Coralie, Williams, Gail M. and Kinner, Stuart A. (2014) Striking subgroup differences in substance-related mortality after release from prison. Addiction, 109 10: 1676-1683. doi:10.1111/add.12646

Author Forsyth, Simon J.
Alati, Rosa
Ober, Coralie
Williams, Gail M.
Kinner, Stuart A.
Title Striking subgroup differences in substance-related mortality after release from prison
Journal name Addiction   Check publisher's open access policy
ISSN 1360-0443
Publication date 2014-10-01
Year available 2014
Sub-type Article (original research)
DOI 10.1111/add.12646
Volume 109
Issue 10
Start page 1676
End page 1683
Total pages 8
Place of publication Chichester, West Sussex, United Kingdom
Publisher Wiley-Blackwell Publishing
Language eng
Formatted abstract
Aims To compare the incidence, timing and risk factors for substance-related death between Indigenous and non-Indigenous ex-prisoners in Queensland, Australia. Design Retrospective cohort study.Setting All adult prisons in the state of Queensland, Australia, linked to deaths registered in Australia. Participants/cases We obtained records for all adults released from prison in Queensland, Australia from 1 January 1994 to 31 December 2007. Among this cohort of 42 015 individuals we observed 82 315 releases from prison and 2158 deaths in the community by the end of 2007, of which 661 were substance-related deaths. Measurements Incarceration data were obtained from Queensland Corrective Services and linked probabilistically with deaths recorded in the Australian National Death Index. Findings In the first year after release, Indigenous ex-prisoners were more likely to die from alcohol-related causes [hazard ratio (HR) = 1.9, 95% confidence interval (CI) = 1.1–3.1)] but less likely to die of drug-related causes (HR = 0.34, 95%CI = 0.21–0.53) than were non-Indigenous ex-prisoners. Among non-Indigenous prisoners only, the risk of substance-related death was significantly higher in the first 4 weeks [relative risk (RR) = 5.1, 95% CI = 3.7–6.9] when compared with the risk after 1 year post-release. Most evaluated risk factors for substance-related death were similar for Indigenous and non-Indigenous ex-prisoners; however, the hazard of death increased with age more for Indigenous ex-prisoners (HR = 1.7 per decade of age, 95% CI = 1.4–2.1) than for non-Indigenous ex-prisoners (HR = 1.3, 95% CI = 1.2–1.4). Conclusions In Australia, patterns of substance-related death in ex-prisoners differ markedly according to Indigenous status. Efforts to prevent substance-related deaths in ex-prisoners should consider heterogeneity in the target population and tailor responses accordingly.
Keyword Alcohol
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID 456107
L2 APP1012485
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Public Health Publications
School of Medicine Publications
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Created: Mon, 29 Sep 2014, 21:29:22 EST by Simon Forsyth on behalf of School of Public Health