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John Z. Ayanian

John Z. Ayanian

Director, Institute for Healthcare Policy and Innovation
University of Michigan

Dr. Ayanian's research focuses on the effect of patients' race, ethnicity, gender, insurance coverage, and socioeconomic characteristics on access to care and health outcomes, as well as the impact of physician and organizational characteristics on the quality of care. Dr. Ayanian is the Director of the Institute for Healthcare Policy and Innovation at the University of Michigan. With over 400 faculty members from 14 schools and colleges at the University, the mission of the Institute is to promote collaborative health services research to improve the quality, safety, equity, and affordability of health care. Dr. Ayanian is a Fellow of the American College of Physicians and an elected member of the American Society for Clinical Investigation, the Association of American Physicians, and the Institute of Medicine.

Representative Publications
Leger, K. A., Charles, S. T., Ayanian, J. Z., & Almeida, D. M. (2015). The association of daily physical symptoms with future health. Social Science & Medicine, 143, 241-248.
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Slopen, N., Kontos, E. Z., Ryff, C. D., Ayanian, J. Z., Albert, M. A., & Williams, D. R. (2013). Psychosocial stress and cigarette smoking persistence, cessation, and relapse over 9-10 years: A prospective study of middle-aged adults in the United States. Cancer Causes & Control, 24(10), 1849-1863.
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Ayanian, J.Z., Zaslavsky, A.M., Arora, N.K., Kahn, K.L., Malin, J.L., Ganz, P.A., van Ryn, M., Hornbrook, M.C., Kiefe, C.I., He, Y., Urmie, J., Weeks, J.C., & Harrington, D.P. (2010). Patients' experiences with care for lung cancer and colorectal cancer: findings from the Cancer Care Outcomes Research and Surveillance (CanCORS) Consortium. Journal of Clinical Oncology, 28, 4154-61.

Sequist, T.D., Fitzmaurice, G.M., Marshall, R., Shaykevich, S., Marston, A., Safran, D.G., & Ayanian, J.Z. (2010). Cultural competency training and performance reports to improve diabetes care for black patients. Annals of Internal Medicine, 152, 40-6.

Jones, R.G., Trivedi, A.N., & Ayanian, J.Z. (2010). Factors influencing the effectiveness of interventions to reduce racial and ethnic disparities in health care. Social Science & Medicine, 70, 337-41.

Block, J.P., He, Y., Zaslavsky, A.M., Ding, L., & Ayanian, J.Z. (2009). Psychosocial stress and change in weight among U.S. adults. American Journal of Epidemiology, 170, 181-192.
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Shortridge, E. F., Marsden, P. V., Ayanian, J. Z., & Cleary, P. D. (2009). Gender differences in the association of cardiovascular symptoms and somatosensory amplification to mortality. Research in Human Development, 6(4), 219-234.
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McWilliams, J.M., Meara, E., Zaslavsky, A.M., & Ayanian, J.Z. (2009). Differences in control of cardiovascular disease and diabetes by race, ethnicity, and education: U.S. trends from 1999 to 2006 and effects of Medicare coverage. Annals of Internal Medicine, 150, 505-15.

Sequist, T.D., Zaslavsk, A.M., Marshall, R., Fletcher, R.H., & Ayanian, J.Z. (2009). Patient and physician reminders to promote colorectal cancer screening. A randomized controlled trial. Archives of Internal Medicine, 169(4), 364-71.

Trivedi, A.N., Rakowski, W., & Ayanian, J.Z. (2008). Effect of cost sharing on screening mammography in Medicare health plans. New England Journal of Medicine, 358, 375-83.

McWilliams, J.M., Meara, E., Zaslavsky, A.M., & Ayanian, J.Z. (2007). Health of previously uninsured adults after acquiring Medicare coverage. JAMA, 298, 2886-94.

McWilliams, J.M., Meara, E., Zaslavsky, A.M., & Ayanian, J.Z. (2007). Use of health services by previously uninsured Medicare beneficiaries. New England Journal of Medicine, 357, 143-53.

Keating, N.L., Herrinton, L.J., Zaslavsky, A.M., Liu, L., & Ayanian, J.Z. (2006). Variations in hospice use among cancer patients. Journal of the National Cancer Institute, 98, 1053-9.

Ayanian, J.Z., Zaslavsky, A.M., Guadagnoli, E., Fuchs, C.S., Yost, K.J., Creech, C.M., Cress, R.D., O'Connor, L.C., West, D.W., & Wright, W.E. (2005). Patients' perceptions of quality of care for colorectal cancer by race, ethnicity, and language. Journal of Clinical Oncology, 23, 6576-86.

Trivedi, A.N., Zaslavsky, A.M., Schneider, E.C., & Ayanian, J.Z. (2005). Trends in the quality of care and racial disparities in Medicare managed care. New England Journal of Medicine, 353, 692-700.

Cleary, P. D., Zaborski, L. B., & Ayanian, J. Z. (2004). Sex differences in health over the course of mid-life. In O. G. Brim, C. D. Ryff & R. C. Kessler (Eds.), How healthy are we?: A national study of well-being at midlife. (pp. 37-63). Chicago, IL: University of Chicago Press.
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Ayanian, J.Z., Landrum, M.B., Guadagnoli, E., & Gaccione, P. (2002). Specialty of ambulatory care physicians and mortality among elderly patients after myocardial infarction. New England Journal of Medicine, 347, 1678-86.

Federman, A.D., Adams, A.S., Ross-Degnan, D., Soumerai, S.B., & Ayanian, J.Z. (2001). Supplemental insurance and use of effective cardiovascular drugs among elderly Medicare beneficiaries with coronary heart disease. JAMA, 286, 1732-9.

Ayanian, J.Z., Weissman, J.S., Schneider, E.C., Ginsburg, J.A., & Zaslavsky, A.M. (2000). Unmet health needs of uninsured adults in the United States. JAMA, 284, 2061-9.

Ayanian, J. Z., & Cleary, P. D. (1999). Perceived risks of heart disease and cancer among cigarette smokers. Journal of the American Medical Association, 281(11), 1019-1021.
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Keating, N. L., Cleary, P. D., Rossi, A. S., Zaslavsky, A. M., & Ayanian, J. Z. (1999). Use of hormone replacement therapy by postmenopausal women in the United States. Annals of Internal Medicine, 130(7), 545-553.
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Ayanian, J.Z., Cleary, P.D., Weissman, J.S., & Epstein, A.M. (1999). The effect of patients' preferences on racial differences in access to renal transplantation. New England Journal of Medicine, 341, 1661-9.

Guadagnoli, E., Hauptman, P.J., Ayanian, J.Z,. Pashos, C.L., McNeil, B.J., Cleary, P.D. (1995). Variations in the use of cardiac procedures after acute myocardial infarction. N Engl J Med, 333(9), 573-578.
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