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Prescription Drug Benefits And Use Of Guideline Recommended Medications By Elderly Medicare Beneficiaries With Diabetes Mellitus, Jennifer Tjia, Becky Briesacher

Jennifer Tjia

OBJECTIVES: To determine whether prescription drug benefits are associated with the use of guideline recommended medications by older persons with type 2 diabetes mellitus (DM).

DESIGN: Cross-sectional study.

PARTICIPANTS: A national sample of Medicare beneficiaries with DM aged 65 and older and an indication for angiotensin-converting enzyme inhibitor (ACEI) or angiotensin II-receptor blocker (ARB) use or high risk of coronary heart disease (hypertension or current smoking) who participated in the 2003 Medicare Current Beneficiary Survey.

MEASUREMENTS: Prescription drug coverage was measured according to self-report and verified according to insurance claims. Outcome variables were use of an ACEI or an ARB …

Medicare Beneficiaries And Free Prescription Drug Samples: A National Survey., Jennifer Tjia, Becky Briesacher, Stephen Soumerai, Marsha Pierre-Jacques, Fang Zhang, Dennis Ross-Degnan, Jerry Gurwitz

Jennifer Tjia

BACKGROUND: New policies regulating physician/pharmaceutical company relationships propose to eliminate access to free prescription drug samples. Little is known about the prevalence of patient activity in requesting or receiving free prescription drug samples, or the characteristics of patients who access drug samples. OBJECTIVE: To determine the prevalence of free sample access and to examine demographic, clinical, and insurance characteristics of Medicare beneficiaries who access free samples. DESIGN: Cross-sectional study. PARTICIPANTS: A national sample of 13,847 Medicare beneficiaries participating in the fall 2004 Medicare Current Beneficiary Survey. MEASUREMENTS AND MAIN RESULTS: Prevalence of free prescription drug sample access (self-reported request for …

Disparities In Combination Drug Therapy Use In Older Adults With Coronary Heart Disease: A Cross-Sectional Time-Series In A Nationally Representative Us Sample, Jennifer Tjia, Becky Briesacher, Dawei Xie, Jason Fu, Robert Goldberg

Jennifer Tjia

BACKGROUND: Despite evidence of effective combination drug therapy for secondary prevention of coronary heart disease (CHD), older adults with this condition remain undertreated.

OBJECTIVE: To describe time trends (1992-2003) in the adoption of combination cardiac drug therapies (beta-blockers [beta-adrenoceptor antagonists], ACE inhibitors or angiotensin II type 1 receptor antagonists [angiotensin receptor blockers; ARBs], and lipid-lowering agents) among older adults in the US with CHD and to identify factors associated with not using combination therapy.

METHODS: The study took the form of a cross-sectional time-series. The study population consisted of a nationally representative sample of adults aged >or=65 years with CHD …