skip to main content
Centre for Health Economics and Policy Analysis
Photo of Andrew Costa

Andrew Costa

Assistant professor, Department of Health Research Methods, Evidence, and Impact (HEI)
Schlegel Chair in Clinical Epidemiology and Aging
Associate Member, Department of Medicine, McMaster University
Research Director, Michael G. DeGroote School of Medicine, Faculty of Health Sciences, McMaster University Waterloo Regional Campus, Kitchener, Ontario, Canada 
Adjunct scientist, Institute for Clinical Evaluative Sciences (ICES)
Member, Centre for Health Economics and Policy Analysis (CHEPA)
Member, McMaster Institute for Geroscience

Website (research):
Website (education):
Twitter: @andrew_p_costa


T: (905) 525-9140 ext 22067 (Hamilton office); (519) 885-5426 ext 21108 (Waterloo office)

Twitter: @Andrew_P_Costa

McMaster University
Hamilton Office: CRL-219, 1280 Main St. W., Hamilton, ON L8S 4K1 
Kitchener Office: IHB/HSC-McMaster 3016, 10B Victoria St. S., Kitchener, ON N2G 1C

Andrew Costa is an Assistant Professor and Schlegel Research Chair in Clinical Epidemiology & Aging in the Department of Health Research Methods, Evidence, and Impact (HEI) at McMaster University. He is also the Research Director at the DeGroote School of Medicine, Waterloo Regional Campus. As well, he is an Adjunct Scientist with the Institute for Clinical Evaluative Sciences (ICES) and is Lead Scientist, Big Data & Geriatric Models of Care Research Cluster, in the department of Health Research Methods, Evidence and Impact at McMaster University.


  • Avoidable emergency department and acute care use among frail older adults
  • Chronic disease management in home and community care
  • Care of the elderly in the emergency department
  • Development and evaluation of elder care policy and service models
  • Geriatric risk assessment and decision-support systems
  • Pragmatic trial methods
  • Geriatric assessment systems
  • Development and evaluation of funding and performance systems in health care
  • Pragmatic trial methods


Costa AP. Charting age-associated cognitive decline. Canadian Medical Association Journal. 2017. 189(48):E1470-1471.

Smith R, Kuluski K, Jeffs L, Costa AP, Glazier R, Forster A, Sinha SK. Investigating the Effect of Sociodemographic Factors on 30-day Hospital Readmission among Medical Patients in Toronto, Canada: A Prospective Cohort Study. BMJ Open. 2017. Dec 12;7(12):e017956.

Brousseau A, Dent E, Hubbard R, Melady D, Emond M, Mercier E, Costa AP*. Identification of older adults with frailty in the Emergency Department using a Frailty Index: Results from a Multinational Study. Age and Ageing. 2017. Nov 20:1-7. 

Lee L, Patel T, Hillier LM, Maulkhan N, Slonim K, Costa A.P. Identifying frailty in primary care: A systematic review. Geriatrics & Gerontology International. 2017. Apr 12. 

Snider T, Melady D, Costa AP. Comfort with geriatric emergency medicine competencies: A survey of Canadian emergency medicine residents. Canadian Journal of Emergency Medicine. 2015.

Costa AP, Hirdes JP, Bell C, Bronskill S, Heckman G, Mitchell L, Poss JW, Sinha S. The DIVERT Scale: A method to identify the probability of unplanned emergency department use among frail community dwelling seniors. Journal of the American Geriatrics Society. 2015. 63(4) 763–769.

Costa AP, Poss JW, McKillop I. Contemplating case mix: A primer on case mix classification and management. Healthcare Management Forum. 2015. 28(1), 15-21.

Costa AP, Hirdes JP, Heckman GA, Dey AB, Jonsson P, Lakhan P, Ljunggren G, Singler K, Sjostrand F, Swoboda W, Wellens N, Gray LC. Geriatric syndromes predict post-discharge outcomes among older emergency department patients: Findings from the interRAI Multinational Emergency Department Study. Academic Emergency Medicine. 2014. 21(4): 422-433.

Costa AP, Harkness K, Haughton D, Heckman GA, McKelvie RS. Risk of emergency department use among community-dwelling older adults: A review of risk factors and screening methods. Clinical Practice. 2014. 11(6): 763-776.

Costa AP, Poss JW, Peirce T, Hirdes JP. Acute care inpatients with long-term delayed-discharge: Evidence from a Canadian health region. BMC Health Services Research. 2012, 12:172. 

Costa AP, Hirdes JP. Clinical characteristics and service needs of alternate level of care patients waiting for long-term care in Ontario Hospitals. Healthcare Policy. 2010. 6(1): 32-46. 


  • Health systems theory & analysis
  • Evidence-based medicine and health care
  • Aging and the Canadian health care system
  • Funding and performance systems in health care
  • Quantitative methods in health services research
  • 'Big data' and health care
  • Clinical decision support theory and methods
All people
Please send questions, comments or suggestions to the Webmaster ( ).
Please review our Copyright Disclaimer policy

Interactive Marketing | Cubicle Fugitive