Michael O. Harhay, PhD

faculty photo
Assistant Professor of Biostatistics and Epidemiology
Department: Biostatistics and Epidemiology
Graduate Group Affiliations

Contact information
304 Blockley Hall
Philadelphia, PA 19104
B.S. (Neuroscience and Philosophy)
Muhlenberg College, 2005.
M.Be (Bioethics)
University of Pennsylvania , 2006.
M.P.H. (Public Health)
University of Pennsylvania , 2009.
M.A. (Demography)
University of Pennsylvania , 2010.
M.A. (Statistics)
University of Pennsylvania, 2015.
Ph.D. (Epidemiology)
University of Pennsylvania, 2016.
Permanent link
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Description of Research Expertise

Clinical Epidemiology, Medical Statistics, Evidence Synthesis

Selected Publications

Harhay MO, Ratcliffe SJ, Small DS, Suttner LH, Crowther MJ, Halpern SD: Measuring and analyzing length of stay in critical care trials. Medical Care 57(9): e53–e59, Sep 2019.

Harhay MO, Porcher R, Thabut G, Crowther MJ, DiSanto T, Rubin S, Penfil Z, Bing Z, Christie JD, Diamond JM, Cantu E: Donor lung sequence number and survival after lung transplantation in the United States. Annals of the American Thoracic Society 16(3): 313-320, Mar 2019.

Harhay MO, Troxel AB, Brophy C, Saulsgiver K, Volpp KG, Halpern SD: Financial incentives promote smoking cessation directly, not by increasing use of cessation aids. Annals of the American Thoracic Society 16(2): 280–282, Feb 2019.

Harhay MO, Porcher R, Cantu E, Crowther MJ, Christie JD, Thabut G, Donaldson GC: An alternative approach for the analysis of time-to-event and survival outcomes in pulmonary medicine. American Journal of Respiratory and Critical Care Medicine 198(5): 684-687, Sep 2018.

Halpern SD, Harhay MO, Saulsgiver K, Brophy C, Troxel AB, Volpp KG: A pragmatic trial of e-cigarettes, incentives, and drugs for smoking cessation. New England Journal of Medicine 378(24): 2302-2310, Jun 2018.

Harhay MO, Ratcliffe SJ, Halpern SD: Measurement error due to patient flow in estimates of intensive care unit length of stay. American Journal of Epidemiology 186(12): 1389-1395, Dec 2017.

Harhay MO, Halpern SD: End-of-life care among immigrants: disparities or differences in preferences? JAMA 318(15): 1448-1449, Oct 2017.

Detsky ME, Harhay MO, Bayard DF, Delman AM, Buehler AE, Kent SA, Ciuffetelli IV, Cooney E, Gabler NB, Ratcliffe SJ, Mikkelsen ME, Halpern SD: Discriminative accuracy of physician and nurse predictions of survival and functional outcomes 6 months after ICU admission. JAMA 317(21): 2187-2195, Jun 2017.

Harhay MO, Fawzi MCS, Jeanneret S, Ndayisaba D, Kibaalya W, Harrison EA, Small DS: An assessment of the Francois-Xavier Bagnoud poverty alleviation program in Rwanda and Uganda. International Journal of Public Health 62(2): 241-252, Mar 2017.

Harhay MO, Adeloye D: Barriers to understanding the epidemiology of noncommunicable lung disease in Sub-Saharan Africa. American Journal of Respiratory and Critical Care Medicine 194(1): 5-7, Jul 2016.

Kahan BC, Harhay MO: Many multicenter trials had few events per center, requiring analysis via random-effects models or GEEs. Journal of Clinical Epidemiology 68(12): 1504-11, Dec 2015 Notes: Co-first author.

Halpern SD, French B, Small DS, Saulsgiver K, Harhay MO, Audrain-McGovern J, Loewenstein G, Brennan TA, Asch DA, Volpp KG: Randomized trial of four financial-incentive programs for smoking cessation. New England Journal of Medicine 372(22): 2108-17, May 2015.

Harhay MO, Wagner J, Ratcliffe SJ, Bronheim RS, Gopal A, Green S, Cooney E, Mikklesen ME, Kerlin MP, Small DS, Halpern SD: Outcomes and statistical power in adult critical care randomized trials. American Journal of Respiratory and Critical Care Medicine 189(12): 1469-78, Jun 2014.

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Last updated: 04/02/2020
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