Journal article
Prescription opioid access patterns and factors associated with increasing number of prescribers, pharmacies, and dispensings: An observational study using pharmaceutical claims
B Blanch, L Degenhardt, NA Buckley, N Gisev, T Dobbins, EA Karanges, B Larance, S Larney, SA Pearson
Pain Medicine United States | OXFORD UNIV PRESS | Published : 2018
DOI: 10.1093/pm/pnx035
Abstract
Objective. To examine associations between patient factors and increasing opioid access measured by three metrics: number of unique prescribers, pharmacies, and dispensings in 12 months. Methods. We used pharmaceutical claims for a random 10% sample of Australians age 18 years or older initiating or reinitiating strong opioid treatment (≥90 days of no strong opioid dispensing) between July 2010 and December 2012. We report the distribution of opioid access by metric. We used three separate zero-truncated negative binomial regressions to explore associations. We censored individuals 365 days after index date or at death, whichever occurred first. Results. Approximately 69,088 persons initiate..
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Awarded by National Health and Medical Research Council
Funding Acknowledgements
This research is supported, in part, by a National Health and Medical Research Council (NHMRC) Centre of Research Excellence in Medicines and Ageing (CREMA; ID: 1060407) and by funding from an NHMRC grant (# 1005668). NG, LD, and BL are supported by NHMRC Research Fellowships (# 1091878, # 1041472, # 1073858). SP is supported by a Cancer Institute New South Wales Career Development Fellowship (ID: 12/CDF/2-25), and BB is supported by a University of Sydney Postgraduate Award and CREMA scholarship top-up. The National Drug and Alcohol Research Centre at University of New South Wales Australia is supported by funding from the Australian Government under the Substance Misuse Prevention and Service Improvements Grant Fund.