| Comparison of the adherence and persistence to inhaled corticosteroids among adult patients with public and private drug insurance plans. | |
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MedLine Citation:
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PMID: 23392860 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BackgroundDespite important differences in reimbursement procedures between private and public drug insurance plans in Quebec (Canada), no study has evaluated the impact of the type of drug insurance on the use of essential medications such as inhaled corticosteroids (ICS). The lack of data might be attributable, at least in part, to the absence of a provincial medication database for patients with private drug insurance.ObjectivesTo compare patient's adherence and persistence to ICS between Quebec residents (Canada) with private and public drug insurance.MethodsA matched cohort design with patients selected from the database of the Régie de l'assurance maladie du Québec (RAMQ) and from reMed, a database that we have put in place for Quebec residents covered by a private drug insurance, was used. ICS users with private drug insurance were selected from reMed between 2008 and 2010 and matched to ICS users with public drug insurance selected from the RAMQ database. Patient's adherence, measured with the proportion of prescribed days covered (PPDC) and persistence over one year, was compared between patients privately and publicly insured using linear regression and Cox regression models.ResultsThis study included 330 and 1,109 ICS users with private and public drug insurance, respectively. Patients privately insured were significantly less adherent than patients publicly insured (adjusted mean difference of PPDC: -9.7%; 95% CI: -13.2% to -6.5%). Moreover, patients privately insured were found to be 52% more likely to stop ICS during the first year than patients publicly insured (adjusted HR=1.5; 95% CI: 1.2 to 2.0).ConclusionsAlthough adherence and persistence were rather low in both groups, patients with public drug insurance appeared to have greater adherence and persistence to ICS than patients with private drug insurance. Differences in reimbursement policies might explain the observed differences. |
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Authors:
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Marie-Christyne Cyr; Marie-France Beauchense; Catherine Lemiere; Lucie Blais |
Publication Detail:
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Type: Journal Article Date: 2013-01-30 |
Journal Detail:
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Title: Journal of population therapeutics and clinical pharmacology = Journal de la thérapeutique des populations et de la pharamcologie clinique Volume: 20 ISSN: 1710-6222 ISO Abbreviation: J Popul Ther Clin Pharmacol Publication Date: 2013 |
Date Detail:
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Created Date: 2013-02-08 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101530023 Medline TA: J Popul Ther Clin Pharmacol Country: Canada |
Other Details:
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Languages: eng Pagination: e26-41 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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