Medication Adherence and Healthcare Disparities: Impact of Statin Co-Payment Reduction
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Medication Adherence and Healthcare Disparities: Impact of Statin Co-Payment Reduction
| Title: | Medication Adherence and Healthcare Disparities: Impact of Statin Co-Payment Reduction |
| Author: |
Lewey, Jennifer; Shrank, William; Avorn, Jerry Lewis; Liu, Jun; Choudhry, Niteesh Kumar
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Lewey, Jennifer, William H. Shrank, Jerry Avorn, Jun Liu, and Niteesh K. Choudhry. 2015. Medication Adherence and Healthcare Disparities: Impact of Statin Co-Payment Reduction. Am. J. Manag. Care. 21(10): 696-704. |
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338441/2015_vbid_impact_on_disparities_ajmc.pdf (256.1Kb; PDF) 
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| Abstract: | Objectives: Minority patients have lower rates of cardiovascularmedication adherence, which may be amenable to co-payment reductions.Our objective was to evaluate the effect of race on adherencechanges following a statin co-payment reduction intervention.Study Design: Retrospective analysis.Methods: The intervention was implemented by a large selfinsuredemployer. Eligible individuals in the intervention cohort(n = 1961) were compared with a control group of employees ofother companies without such a policy (n = 37,320). As a proxy forrace, we categorized patients into tertiles based on the proportionof black residents living in their zip code of residence. Analyseswere performed using difference-in-differences design with generalizedestimating equations.Results: Prior to the new co-payment policy, adherence rateswere higher for individuals living in areas with fewer black residents.In multivariable models adjusting for demographic factors,clinical covariates and baseline trends, the co-payment reductionincreased adherence by 2.0% (P = .14), 2.1% (P = .15) and 6% (P |
| Published Version: | http://www.ajmc.com/journals/issue/2015/2015-vol21-n10/medication-adherence-and-healthcare-disparities-impact-of-statin-co-payment-reduction/P-1 |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:33719951 |
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