Browsing by Author "Zhang, Fang"
Now showing items 1-20 of 25
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Asthma Treatments and Mental Health Visits After a Food and Drug Administration Label Change for Leukotriene Inhibitors
Lu, Christine; Zhang, Fang; Lakoma, Matthew D.; Butler, Melissa G.; Fung, Vicki; Larkin, Emma K.; Kharbanda, Elyse O.; Vollmer, William M.; Lieu, Tracy; Soumerai, Stephen Bertram; Chen Wu, Ann (Elsevier BV, 2015)Purpose In 2009, the US Food and Drug Administration (FDA) mandated a label change for leukotriene inhibitors (LTIs) to include neuropsychiatric adverse events (eg, depression and suicidality) as a precaution. This study ... -
Barriers to Self-monitoring of Blood Glucose Among Adults with Diabetes in an HMO: A Cross Sectional Study
Adams, Alyce S; Mah, Connie; Soumerai, Stephen Bertram; Zhang, Fang; Barton, Mary B; Ross-Degnan, Dennis (BioMed Central, 2003)Background: Recent studies suggest that patients at greatest risk for diabetes complications are least likely to self-monitor blood glucose. However, these studies rely on self-reports of monitoring, an unreliable measure ... -
Benzodiazepine Use and Hip Fractures in the Elderly
Wagner, Anita Katharina; Zhang, Fang; Soumerai, Stephen Bertram; Walker, Alexander M.; Gurwitz, Jerry H.; Glynn, Robert James; Ross-Degnan, Dennis (American Medical Association (AMA), 2004) -
Changes in antidepressant use by young people and suicidal behavior after FDA warnings and media coverage: quasi-experimental study
Lu, Christine Y; Zhang, Fang; Lakoma, Matthew D; Madden, Jeanne M; Rusinak, Donna; Penfold, Robert B; Simon, Gregory; Ahmedani, Brian K; Clarke, Gregory; Hunkeler, Enid M; Waitzfelder, Beth; Owen-Smith, Ashli; Raebel, Marsha A; Rossom, Rebecca; Coleman, Karen J; Copeland, Laurel A; Soumerai, Stephen B (BMJ Publishing Group Ltd., 2014)Objective: To investigate if the widely publicized warnings in 2003 from the US Food and Drug Administration about a possible increased risk of suicidality with antidepressant use in young people were associated with changes ... -
Changes in Drug Coverage Generosity and Untreated Serious Mental Illness
Madden, Jeanne Marie; Adams, Alyce S.; LeCates, Robert F.; Ross-Degnan, Dennis; Zhang, Fang; Huskamp, Haiden Ashby; Gilden, Daniel M.; Soumerai, Stephen Bertram (American Medical Association (AMA), 2015)Importance More than 1 in 5 disabled people with dual Medicare-Medicaid enrollment have schizophrenia or a bipolar disorder (ie, a serious mental illness). The effect of their transition from Medicaid drug coverage, which ... -
Cost-Related Medication Nonadherence Among Elderly and Disabled Medicare Beneficiaries
Soumerai, Stephen Bertram; Pierre-Jacques, Marsha; Zhang, Fang; Ross-Degnan, Dennis; Adams, Alyce S.; Gurwitz, Jerry; Adler, Gerald; Safran, Dana Gelb (American Medical Association (AMA), 2006)Background Prior to implementation of the Medicare drug benefit, we estimated the prevalence of cost-related medication nonadherence (CRN) among Medicare enrollees, including elderly and nonelderly disabled beneficiarie ... -
Cost-Related Medication Nonadherence and Spending on Basic Needs Following Implementation of Medicare Part D
Madden, Jeanne Marie; Graves, Amy; Zhang, Fang; Adams, Alyce S.; Briesacher, Becky A.; Ross-Degnan, Dennis; Gurwitz, Jerry H.; Pierre-Jacques, Marsha; Safran, Dana Gelb; Adler, Gerald; Soumerai, Stephen Bertram (American Medical Association (AMA), 2008)Context Cost-related medication nonadherence (CRN) has been a persistent problem for individuals who are elderly and disabled in the United States. The impact of Medicare prescription drug coverage (Part D) on CRN is ... -
Depression and Cost-Related Medication Nonadherence in Medicare Beneficiaries
Bambauer, Kara Zivin; Safran, Dana Gelb; Ross-Degnan, Dennis; Zhang, Fang; Adams, Alyce S.; Gurwitz, Jerry; Pierre-Jacques, Marsha; Soumerai, Stephen Bertram (American Medical Association (AMA), 2007)Context Treatment for depression can be expensive and depression can affect the use of other medical services, yet there is little information on how depression affects the prevalence of cost-related medication nonadherence ... -
Drug Adverse Event Detection in Health Plan Data Using the Gamma Poisson Shrinker and Comparison to the Tree-based Scan Statistic
Brown, Jeffrey S.; Petronis, Kenneth R.; Bate, Andrew; Zhang, Fang; Dashevsky, Inna; Kulldorff, Martin; Avery, Taliser R.; Davis, Robert L.; Chan, K. Arnold; Andrade, Susan E.; Boudreau, Denise; Gunter, Margaret J.; Herrinton, Lisa; Pawloski, Pamala A.; Raebel, Marsha A.; Roblin, Douglas; Smith, David; Reynolds, Robert (MDPI, 2013)Background: Drug adverse event (AE) signal detection using the Gamma Poisson Shrinker (GPS) is commonly applied in spontaneous reporting. AE signal detection using large observational health plan databases can expand ... -
Effect of pay for performance on the management and outcomes of hypertension in the United Kingdom: interrupted time series study
Serumaga, B.; Ross-Degnan, Dennis; Avery, A. J.; Elliott, R. A.; Majumdar, S. R.; Zhang, Fang; Soumerai, Stephen Bertram (BMJ, 2011)Objective To assess the impact of a pay for performance incentive on quality of care and outcomes among UK patients with hypertension in primary care. Design Interrupted time series. Setting The Health Improvement ... -
Effect of Pediatric Behavioral Health Screening and Colocated Services on Ambulatory and Inpatient Utilization
Hacker, Karen; Penfold, Robert B.; Arsenault, Lisa Nicole; Zhang, Fang; Soumerai, Stephen Bertram; Wissow, Lawrence S. (American Psychiatric Publishing, 2015)Objective The study sought to determine the impact of a pediatric behavioral health (BH) screening and co-location model on BH care utilization Methods In 2003, Cambridge Health Alliance, a Massachusetts public ... -
Effects of a Law against Early Postpartum Discharge on Newborn Follow-up, Adverse Events, and HMO Expenditures
Madden, Jeanne Marie; Soumerai, Stephen Bertram; Lieu, Tracy; Mandl, Kenneth David; Zhang, Fang; Ross-Degnan, Dennis (New England Journal of Medicine (NEJM/MMS), 2002)BACKGROUND Concern about harm to newborns from early postpartum discharges led to laws establishing minimum hospital stays in the mid-1990s. We evaluated the effects of an early-discharge protocol (a hospital stay of one ... -
Effects of Health Maintenance Organization Coverage of Self-monitoring Devices on Diabetes Self-care and Glycemic Control
Soumerai, Stephen Bertram; Mah, Connie; Zhang, Fang; Adams, Alyce; Barton, Mary; Fajtova, Vera Tatana; Ross-Degnan, Dennis (American Medical Association (AMA), 2004)Background Increasingly, government mandates require insurance coverage of blood glucose monitors and test strips for patients with type 1 and type 2 diabetes. No data exist on the effects of such coverage on self-monitoring ... -
Failure of Automated Telephone Outreach With Speech Recognition to Improve Colorectal Cancer Screening
Simon, Steven R.; Zhang, Fang; Soumerai, Stephen Bertram; Ensroth, Arthur; Bernstein, Lydia; Fletcher, Robert H.; Ross-Degnan, Dennis (American Medical Association (AMA), 2010)Background Automated telephone outreach with speech recognition (ATO-SR) is used extensively by health plans. Whether ATO-SR can increase rates of colorectal cancer (CRC) screening is unknown. Methods We randomly ... -
Impact of Emerging Health Insurance Arrangements on Diabetes Outcomes and Disparities: Rationale and Study Design
Wharam, James Franklin; Soumerai, Steve; Trinacty, Connie; Eggleston, Emma; Zhang, Fang; LeCates, Robert F.; Canning, Claire; Ross-Degnan, Dennis (Centers for Disease Control and Prevention, 2013)Consumer-directed health plans combine lower premiums with high annual deductibles, Internet-based quality-of-care information, and health savings mechanisms. These plans may encourage members to seek better value for ... -
Impact of pharmaceutical policy interventions on utilization of antipsychotic medicines in Finland and Portugal in times of economic recession: interrupted time series analyses
Leopold, Christine; Zhang, Fang; Mantel-Teeuwisse, Aukje K; Vogler, Sabine; Valkova, Silvia; Ross-Degnan, Dennis; Wagner, Anita K (BioMed Central, 2014)Objectives: To analyze the impacts of pharmaceutical sector policies implemented to contain country spending during the economic recession – a reference price system in Finland and a mix of policies including changes in ... -
Mammography Rates 3 Years After the 2009 US Preventive Services Task Force Guidelines Changes
Wharam, James Franklin; Landon, Bruce Evan; Zhang, Fang; Xu, Xin; Soumerai, Stephen Bertram; Ross-Degnan, Dennis (American Society of Clinical Oncology (ASCO), 2015)Purpose In November 2009, the US Preventive Services Task Force (USPSTF) changed its mammography recommendations from every 1 to 2 years among women age ≥ 40 years to personalized screening decisions for women age 40 to ... -
Measuring Adherence to Antiretroviral Treatment in Resource-poor Settings: The Clinical Validity of Key Indicators
Ross-Degnan, Dennis; Pierre-Jacques, Marsha; Zhang, Fang; Tadeg, Hailu; Gitau, Lillian; Ntaganira, Joseph; Balikuddembe, Robert; Chalker, John C.; Wagner, Anita Katharina; INRUD IAA (BioMed Central, 2010)Background: Access to antiretroviral therapy has dramatically expanded in Africa in recent years, but there are no validated approaches to measure treatment adherence in these settings. Methods: In 16 health facilities, ... -
Need for and Access to Health Care and Medicines: Are There Gender Inequities?
Wagner, Anita Katharina; Graves, Amy J.; Fan, Zhengyu; Walker, Saul; Zhang, Fang; Ross-Degnan, Dennis (Public Library of Science, 2013)Objective: Differences between women and men in political and economic empowerment, education, and health risks are well-documented. Similar gender inequities in access to care and medicines have been hypothesized but ... -
Physician Alerts to Increase Antidepressant Adherence
Bambauer, Kara Zivin; Adams, Alyce S.; Zhang, Fang; Minkoff, Neil; Grande, Andrea; Weisblatt, Rick; Soumerai, Stephen Bertram; Ross-Degnan, Dennis (American Medical Association (AMA), 2006)Background Many managed care organizations use feedback based on electronically maintained claims data to alert physicians to potential treatment problems, including patient medication nonadherence. However, the efficacy ...