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Background: Little is known about drug cost communications of Medicare Part D beneficiaries with chronic conditions such as diabetes. The purpose of this study is to assess Medicare Part D beneficiaries with diabetes' levels of communication with physicians regarding prescription drug costs; the perceived importance of these communications; levels of prescription drug switching due to cost; and self-reported cost-related medication non-adherence., Methods: Data were obtained from a cross-sectional survey (58% response rate) of 1,458 Medicare beneficiaries with diabetes who entered the coverage gap in 2006; adjusted percentages of patients with communication issues were obtained from multivariate regression analyses adjusting for patient demographics and clinical characteristics., Results: Fewer than half of patients reported discussing the cost of medications with their physicians, while over 75% reported that such communications were important. Forty-eight percent reported their physician had switched to a less expensive medication due to costs. Minorities, females, and older adults had significantly lower levels of communication with their physicians regarding drug costs than white, male, and younger patients respectively. Patients with < $25 K annual household income were more likely than higher income patients to have talked about prescription drug costs with doctors, and to report cost-related non-adherence (27% vs. 17%, p < .001)., Conclusions: Medicare Part D beneficiaries with diabetes who entered the coverage gap have low levels of communication with physicians about drug costs, despite the high perceived importance of such communication. Understanding patient and plan-level characteristics differences in communication and use of cost-cutting strategies can inform interventions to help patients manage prescription drug costs.

Background: Versus whites, blacks with diabetes have poorer control of hemoglobin A1c (HbA1c), higher systolic blood pressure (SBP), and higher low-density lipoprotein (LDL) cholesterol as well as higher rates of morbidity and microvascular complications., Objective: To examine whether several mutable risk factors were more strongly associated with poor control of multiple intermediate outcomes among blacks with diabetes than among similar whites., Design: Case-control study., Subjects: A total of 764 blacks and whites with diabetes receiving care within 8 managed care health plans., Measures: Cases were patients with poor control of at least 2 of 3 intermediate outcomes (HbA1c > or =8.0%, SBP > or =140 mmHg, LDL cholesterol > or =130 mg/dL) and controls were patients with good control of all 3 (HbA1c <8.0%, SBP <140 mmHg, LDL cholesterol <130 mg/dL). In multivariate analyses, we determined whether each of several potentially mutable risk factors, including depression, poor adherence to medications, low self-efficacy for reducing cardiovascular risk, and poor patient-provider communication, predicted case or control status., Results: Among blacks but not whites, in multivariate analyses depression (odds ratio: 2.28; 95% confidence interval: 1.09-4.75) and having missed medication doses (odds ratio: 1.96; 95% confidence interval: 1.01-3.81) were associated with greater odds of being a case rather than a control. None of the other risk factors were associated for either blacks or whites., Conclusions: Depression and missing medication doses are more strongly associated with poor diabetes control among blacks than in whites. These 2 risk factors may represent important targets for patient-level interventions to address racial disparities in diabetes outcomes.