Publications

Medication affordability gains following Medicare Part D are eroding among elderly with multiple chronic conditions.

Health Aff (Millwood)
Naci H, Soumerai SB, Ross-Degnan D, Zhang F, Briesacher BA, Gurwitz JH, Madden JM

Changes in use of lipid-lowering medications among black and white dual enrollees with diabetes transitioning from Medicaid to Medicare Part D drug coverage.

Med Care
Adams AS, Madden JM, Zhang F, Soumerai SB, Gilden D, Griggs J, Trinacty CM, Bishop C, Ross-Degnan D

Changes in antidepressant use by young people and suicidal behavior after FDA warnings and media coverage: quasi-experimental study.

BMJ
Lu CY, Zhang F, Lakoma MD, Madden JM, Rusinak D, Penfold RB, Simon G, Ahmedani BK, Clarke G, Hunkeler EM, Waitzfelder B, Owen-Smith A, Raebel MA, Rossom R, Coleman KJ, Copeland LA, Soumerai SB

How complete are E-codes in commercial plan claims databases?

Pharmacoepidemiol Drug Saf
Lu CY, Stewart C, Ahmed AT, Ahmedani BK, Coleman K, Copeland LA, Hunkeler EM, Lakoma MD, Madden JM, Penfold RB, Rusinak D, Zhang F, Soumerai SB

Access to affordable medicines after health reform: evidence from two cross-sectional surveys in Shaanxi Province, western China.

Lancet Glob Health
Fang Y, Wagner AK, Yang S, Jiang M, Zhang F, Ross-Degnan D

Medicare Part D is associated with reducing the financial burden of health care services in Medicare beneficiaries with diagnosed diabetes.

Med Care
Li R, Gregg EW, Barker LE, Zhang P, Zhang F, Zhuo X, Williams DE, Soumerai SB

Low-socioeconomic-status enrollees in high-deductible plans reduced high-severity emergency care.

Health Aff (Millwood)
Wharam JF, Zhang F, Landon BE, Soumerai SB, Ross-Degnan D

Interrupted time-series analysis yielded an effect estimate concordant with the cluster-randomized controlled trial result.

J Clin Epidemiol
Fretheim A, Soumerai SB, Zhang F, Oxman AD, Ross-Degnan D

Drug Adverse Event Detection in Health Plan Data Using the Gamma Poisson Shrinker and Comparison to the Tree-based Scan Statistic.

Pharmaceutics
Brown JS, Petronis KR, Bate A, Zhang F, Dashevsky I, Kulldorff M, Avery TR, Davis RL, Chan KA, Andrade SE, Boudreau D, Gunter MJ, Herrinton L, Pawloski PA, Raebel MA, Roblin D, Smith D, Reynolds R

Need for and access to health care and medicines: are there gender inequities?

PLoS ONE
Wagner AK, Graves AJ, Fan Z, Walker S, Zhang F, Ross-Degnan D

Impact of emerging health insurance arrangements on diabetes outcomes and disparities: rationale and study design.

Prev Chronic Dis
Wharam JF, Soumerai S, Trinacty C, Eggleston E, Zhang F, LeCates R, Canning C, Ross-Degnan D

Intended and unintended consequences of the gabapentin off-label marketing lawsuit among patients with bipolar disorder.

J Clin Psychiatry
Chace MJ, Zhang F, Fullerton CA, Huskamp HA, Gilden D, Soumerai SB

"Stealth" alerts to improve warfarin monitoring when initiating interacting medications.

J Gen Intern Med
Koplan KE, Brush AD, Packer MS, Zhang F, Senese MD, Simon SR

Risk of Guillain-Barré syndrome after meningococcal conjugate vaccination.

Pharmacoepidemiol Drug Saf
Velentgas P, Amato AA, Bohn RL, Chan KA, Cochrane T, Funch DP, Dashevsky I, Duddy AL, Gladowski P, Greenberg SA, Kramer JM, McMahill-Walraven C, Nakasato C, Spettell CM, Syat BL, Wahl PM, Walker AM, Zhang F, Brown JS, Platt R

Two-year trends in cancer screening among low socioeconomic status women in an HMO-based high-deductible health plan.

J Gen Intern Med
Wharam JF, Graves AJ, Zhang F, Soumerai SB, Ross-Degnan D, Landon BE

Simulation-based power calculation for designing interrupted time series analyses of health policy interventions.

J Clin Epidemiol
Zhang F, Wagner AK, Ross-Degnan D

Predictors of antibiotic use in African communities: evidence from medicines household surveys in five countries.

Trop. Med. Int. Health
Vialle-Valentin CE, Lecates RF, Zhang F, Desta AT, Ross-Degnan D

High-deductible insurance: two-year emergency department and hospital use.

Am J Manag Care
Wharam JF, Landon BE, Zhang F, Soumerai SB, Ross-Degnan D

Two-year trends in colorectal cancer screening after switch to a high-deductible health plan.

Med Care
Wharam JF, Graves AJ, Landon BE, Zhang F, Soumerai SB, Ross-Degnan D

Cost-related medication nonadherence and cost-saving strategies used by elderly Medicare cancer survivors.

J Cancer Surviv
Nekhlyudov L, Madden J, Graves AJ, Zhang F, Soumerai SB, Ross-Degnan D