Browsing by Author "Curb, J David"

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    Patients’ Willingness to Discuss Trade-offs to Lower Their Out-of-Pocket Drug Costs
    (2010-09) Tseng, Chien-Wen; Waitzfelder, Beth E.; Tierney, Edward F.; Gerzoff, Robert B.; Marrero, David G.; Piette, John D.; Karter, Andrew J.; Curb, J David; Chung, Richard; Mangione, Carol M.; Crosson, Jesse C.; Dudley, R. Adams
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    Primary Language, Income and the Intensification of Anti-glycemic Medications in Managed Care: the (TRIAD) Study
    (2010-12) Duru, O Kenrik; Bilik, Dori; McEwen, Laura N.; Brown, Arleen F.; Karter, Andrew J.; Curb, J David; Marrero, David G.; Lu, Shou-En; Rodriguez, Michael; Mangione, Carol M.
    BACKGROUND Patients who speak Spanish and/or have low socioeconomic status are at greater risk of suboptimal glycemic control. Inadequate intensification of anti-glycemic medications may partially explain this disparity. OBJECTIVE To examine the associations between primary language, income, and medication intensification. DESIGN Cohort study with 18-month follow-up. PARTICIPANTS One thousand nine hundred and thirty-nine patients with Type 2 diabetes who were not using insulin enrolled in the Translating Research into Action for Diabetes Study (TRIAD), a study of diabetes care in managed care. MEASUREMENTS Using administrative pharmacy data, we compared the odds of medication intensification for patients with baseline A1c ≥ 8%, by primary language and annual income. Covariates included age, sex, race/ethnicity, education, Charlson score, diabetes duration, baseline A1c, type of diabetes treatment, and health plan. RESULTS Overall, 42.4% of patients were taking intensified regimens at the time of follow-up. We found no difference in the odds of intensification for English speakers versus Spanish speakers. However, compared to patients with incomes <15,000,patientswithincomesof15,000-39,999(OR1.43,1.07−1.92),40,000-74,999(OR1.62,1.16−2.26)or>75,000 (OR 2.22, 1.53-3.24) had increased odds of intensification. This latter pattern did not differ statistically by race. CONCLUSIONS Low-income patients were less likely to receive medication intensification compared to higher-income patients, but primary language (Spanish vs. English) was not associated with differences in intensification in a managed care setting. Future studies are needed to explain the reduced rate of intensification among low income patients in managed care.
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    Temporal trends in recording of diabetes on death certificates: results from Translating Research Into Action for Diabetes (TRIAD)
    (2011-07) McEwen, Laura N.; Karter, Andrew J.; Curb, J David; Marrero, David G.; Crosson, Jesse C.; Herman, William H.
    OBJECTIVE: To determine the frequency that diabetes is reported on death certificates of decedents with known diabetes and describe trends in reporting over 8 years. RESEARCH DESIGN AND METHODS: Data were obtained from 11,927 participants with diabetes who were enrolled in Translating Research into Action for Diabetes, a multicenter prospective observational study of diabetes care in managed care. Data on decedents (N=2,261) were obtained from the National Death Index from 1 January 2000 through 31 December 2007. The primary dependent variables were the presence of the ICD-10 codes for diabetes listed anywhere on the death certificate or as the underlying cause of death. RESULTS: Diabetes was recorded on 41% of death certificates and as the underlying cause of death for 13% of decedents with diabetes. Diabetes was significantly more likely to be reported on the death certificate of decedents dying of cardiovascular disease than all other causes. There was a statistically significant trend of increased reporting of diabetes as the underlying cause of death over time (P<0.001), which persisted after controlling for duration of diabetes at death. The increase in reporting of diabetes as the underlying cause of death was associated with a decrease in the reporting of cardiovascular disease as the underlying cause of death (P<0.001). CONCLUSIONS: Death certificates continue to underestimate the prevalence of diabetes among decedents. The increase in reporting of diabetes as the underlying cause of death over the past 8 years will likely impact estimates of the burden of diabetes in the U.S.