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Faculty Member

John David Cassidy Ph.D., Dr.Med.Sc.

Email Address(es)
Office Phone
Epidemiology Division
Adjunct Professor

Research Interests

  • Injury epidemiology: (occupational, brain and traffic injuries)
  • Musculoskeletal Epidemiology (back disorders)
  • Systematic reviews: (patient care guidelines and evidence-based care)
  • Chronic Disease Epidemiology
  • Evidence-based healthcare and policy

Education & Training History

PhD (Pathology) University of Saskatchewan, Saskatoon, Saskatchewan, Canada

DrMedSc (Epidemiology and Injury Prevention) Karolinska Institute, Stockholm, Sweden

Primary Teaching Responsibilities

  • Retired from teaching.

Professional Summary & Appointments

Adjunct Professor, Master of Public Health Program, Lakehead University, Thunder Bay, Ontario.

Current Research Projects

Systematic reviews on long-term outcomes after mild traumatic brain injury.

Systematic review on diagnosis of sports-related concussions.

Systematic review on long-term consequences of sport-related concussions.

Representative Publications

Kent P, Cancelliere C, Boyle E, Cassidy JD, Kongsted A: A Conceptual Framework for Prognostic Research. BMC Medical Research Methodology 2020;20:172.

Cancelliere C, Boyle E, Côté P, Holm L, Salmi R, Cassidy JD. Development and Validation of a Model Predicting Post-Traumatic Headache Six Months After a Motor Vehicle Collision in Adults. Accident Prevention & Analysis 2020;142.

Côté P, Bussières A, Cassidy JD, Hartvigsen J, Kawchuk GN, Leboeuf-Yde C, Mior S, Schneider M. A united statement of the global chiropractic research community against the pseudoscientific claim that chiropractic care boosts immunity. BMC Chiropractic and Manual Therapies. BMC Chiro Man Therap 2020;28:21.

Boyle E, Cassidy JD, Côté P. Determining the Reliability and Convergent Validity of a Return-to-Work Status Questionnaire. Work 2019;63:69-80.

Côté P, Yu H, Shearer HM, Randhawa K, Wong JJ, Mior S, Ameis A, Carroll LJ, Nordin M, Varatharajan S, Sutton D, Southerst D, Jacobs C, Stupar M, Taylor-Vaisey A, Gross DP, Brison RJ, Paulden M, Ammendolia C, Cassidy JD, Loisel P, Marshall S, Bohay RN, Stapleton J, Lacerte M. Non-pharmacological Management of Persistent Headaches Associated with Neck Pain: A Clinical Practice Guideline from the Ontario Protocol for Traffic Injury Management (OPTIMa) Collaboration. Eur J Pain 2019;23:1051-1070.

Côté P, Boyle E, Shearer HM, Stupar M, Jacobs C, Cassidy JD, Carette S, van der Velde G, Wong JJ, Hogg-Johnson S, Ammendolia C, Hayden JA, van Tulder M, Frank J. Is a Government-regulated Rehabilitation Guideline More Effective than General Pratitioner or Preferred-provider Rehabilitation in Promoting Recovery from Acute Whiplash-associated Disorders? A Pragmatic Randomized Controlled Trial. BMJ Open 2019;9:e021283. doi:10.1136/bmjopen-2017-021283.