Multivariable adjusted prevalence ratios for discordance between the presence of lipid-lowering medications in REGARDS data and Medicare claims.*
Note: Models include adjustment for age, sex, race, education, income, cognitive impairment, depressive symptoms, year of enrollment and State buy-in entitlement.
CATI: computer-assisted telephone interview; CI: confidence interval; LLM: lipid-lowering medication; PR: prevalence ratio; REGARDS: REasons for Geographic And Racial Differences in Stroke; US$: US dollars.
* Presence of LLMs in Medicare claims was ascertained within 120 days prior the in-home study visit for comparison with the REGARDS medication inventory, and within 120 days prior the CATI for comparison with REGARDS self-report.
† Compared with 2007.
‡ A State buy-in entitlement identifies Medicare beneficiaries with low socioeconomic resources who receive supplementary medical insurance from their state of residence to reduce the costs they are responsible for paying.