Journal article

A longitudinal comparison of retention in buprenorphine and methadone treatment for opioid dependence in New South Wales, Australia

Lucy Burns, Natasa Gisev, Sarah Larney, Timothy Dobbins, Amy Gibson, Jo Kimber, Briony Larance, Richard P Mattick, Tony Butler, Louisa Degenhardt

Addiction | WILEY | Published : 2015

Abstract

BACKGROUND AND AIMS: To examine characteristics of first-time methadone and buprenorphine clients and factors associated with risk of leaving first treatment in New South Wales (NSW), Australia. DESIGN: Retrospective linkage study of opioid substitution therapy (OST) treatment, court, custody and mortality data. SETTING: NSW, Australia. PARTICIPANTS: First-time OST entrants (August 2001-December 2010). MEASUREMENTS: Characteristics of clients were examined. Time-dependent Cox models examined factors associated with the risk of leaving first treatment, with demographic, criminographic and treatment variables jointly considered. Interactions between medication and other variables upon risk of ..

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Grants

Awarded by Australian National Health and Medical Research Council (NHMRC)


Awarded by NHMRC


Funding Acknowledgements

We wish to acknowledge all data custodians for providing access to the data sets used in this study: the NSW Ministry of Health (PHDAS data set), the NSW Bureau of Crime Statistics and Research (ROD data set) and the Australian Institute of Health and Welfare (NDI data set). We are grateful for Judy Trevena's work on the initial preparation of the data sets, to Pia Salmelainen (NSW Health) for expert advice regarding the PHDAS data set and Don Weatherburn and Jacqui Fitzgerald (BOCSAR) for advice regarding BOCSAR data sets and interpretation of findings. We also wish to thank the members of our Indigenous Reference Group: Michael Doyle, Anton Clifford, Megan Williams and Luke Bell. The work for this paper was conducted as part of a larger project which has received funding from the Australian National Health and Medical Research Council (NHMRC) (grant no. 1005668). This project was also supported by a grant from the Australian Institute of Criminology (AIC) through the Criminology Research Grants Program. The views expressed are the responsibility of the author and are not necessarily those of the AIC. L.D., S.L., B.L. and R.P.M. are supported by NHMRC Research Fellowships (numbers 1041742, 1035149, 1073858 and 1045318). The National Drug and Alcohol Research Centre at the University of NSW is supported by funding from the Australian Government under the Substance Misuse Prevention and Service Improvements Grants Fund.