Using Client's Routine Urinalysis Records From Multiple Treatment Systems to Model Five-Year Opioid Substitution Treatment Outcomes
BACKGROUND:
At
global, national, and local level, the need for ongoing, timely and cost
efficient, comprehensive drug treatment monitoring, and evaluation systems have
clearly been well recognized.
OBJECTIVES:
To
test the feasibility of linking laboratory data and client intake data and its
usefulness for modeling retrospectively, for the first time, 5-year
longitudinal drug treatment outcomes in an Irish opiate treatment setting.
METHODS:
A
multisite, retrospective, longitudinal cohort study was implemented to evaluate
outcomes for opiate users based on 1.7 million routine urinalysis results
collected from 4,518 individuals presenting for opioid substitution treatment
in Ireland from January 2006 to December 2010.
RESULTS:
Analysis
of opiates, cocaine, benzodiazepine, and cannabis use at treatment intake, 6
months and at 1-5 year follow-ups revealed differences in urinalysis protocols;
significant differences in age of first drug use between those using and not
using opiates at 5 years; significant decreases in opiate use; increases
in benzodiazepine use and significant increasing effects of concurrent cocaine
and benzodiazepine use on the odds of using opiates. Time series analysis of
weekly proportions opiate positive predicted 16% (95% confidence interval:
7%-25%) of clients would be opiate positive 5 years postinitial intake.
Underutilized urinalysis data can be used to address the
need for cost effective, efficient evidence of drug-treatment outcomes across time,
place, and systems. Linking and matching the cross-sectional data across sites
and times also revealed where improvements in electronic records could be made.
- 1 School of Nursing and Midwifery, Trinity College, University of Dublin , Dublin , Ireland.
- Subst Use Misuse. 2016 Mar 20;51(4):498-507. doi: 10.3109/10826084.2015.1126738. Epub 2016 Mar 4.
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