Skip to content
Instructor pointing at monitor

Cynthia Long, Ph.d., PStat

Picture of Cyndy Long

Cynthia Long, Ph.D., PStat

Dean of Research, Professor, Director, Office of Data Management & Biostatistics
Palmer Center for Chiropractic Research - Davenport, Iowa
Office of Data Management and Biostatistics
Research Interests

Pragmatic clinical trials, musculoskeletal pain management, rigorous data analysis, statistical education in health sciences

Research Keywords

biostatistics, integrative medicine, clinical trials, musculoskeletal pain, back pain, pain management, chiropractic, evidence-based practice


  • Doctor of Philosophy, Biostatistics (Ph.D.), University of Iowa
  • Master of Science, Statistics (M.S.), Iowa State University
  • Bachelor of Arts, Mathematics; Bachelor of Science, Statistics (B.A., B.S.), Winona State University


  • Accredited Professional Statistician™ (PStat®), American Statistical Association - 2017-present

Recent Awards/Key Committees

  • Research Advisory Board Member, RAND Center for Collaborative Research in Complementary and Integrative Health - 2020 - present
  • Co-Director, Interinstitutional Network for Chiropractic Research with Yale Center for Medical Informatics, Yale University School of Medicine, Osher Center for Integrative Medicine, Harvard Medical School and Brigham and Women's Hospital - 2018 - present
  • Member, NIH-DoD-VA Pain Management Collaboratory (Steering Committee, Biostatistics & Design Workgroup, Data Sharing Workgroup, Publications Committee (Chair, 2019-2020) - 2017 -present
  • Without Compensation (WOC) research appointment, Iowa City VA Health Care System - 2015 to present
  • Chair, 13 NIH Center for Scientific Review (CSR) and National Center for Complementary and Integrative Health (NCCIH) Special Emphasis Panels
  • Member, over 50 NIH CSR, NCCIH and National Institute of Diabetes and Digestive and Kidney Diseases Study Sections/Special Emphasis Panels/Scientific Review Groups
  • Member, Institutional Review Board, Genesis Health Systems - 2008-present
  • Chair, Independent Monitoring Committee, NIH funded study: 1R34AT009052 "Tai Chi for Chronic Low Back Pain in Older Adults" - 2016-2018
  • Board of Directors Member (elected), American Statistical Association - 2014-2016
  • Editorial Board, Journal of Manipulative and Physiological Therapeutics - 2005-present
  • Editorial Board, Journal of Canadian Chiropractic Association - 2005-present
  • Editorial Board, Chiropractic & Manual Therapies - 2017-present
  • Editorial Board, Contemporary Clinical Trials - 2020 - present

Courses Taught
  • CLIN51502
    Statistical Thinking and Reasoning
  • CLIN51504
    Statistical Computing and Data Management I
  • CLIN51509
    Statistical Graphics and Data Management II
  • CLIN51530
    Biostatistics I
  • CLIN51531
    Biostatistics II: Linear Regression
  • CLIN51532
    Biostatistics II: ANOVA and Regression Modeling
Funded Grants/Projects, 2011 - Present

Visit our Grants and Projects page for additional information.

Chiropractic Care for Veterans: A Pragmatic Randomized Trial Addressing Dose Effects for cLBP: VERDICT
Multiple Principal Investigator

NIH Administrative Supplement for 2 DC Post-Doctoral Research Scholars
Principal Investigator

NIH Administrative Supplement for DC Post-Doctoral Research Fellow
Principal Investigator

Antinociceptive Mechanisms of Spinal Manipulative Therapy for Neuropathic Pain

Expanding EBCP and Research across the Palmer College of Chiropractic
Principal Investigator

2017 Conference: Process of Integrating Evidence (PIE) for CIH Educators
Planning Committee Member

2015 Conference: Process of Integrating Evidence (PIE) for CAM Educators
Principal Investigator

Distance Education OnLine Intervention for Evidence Based Practice Literacy (DELIVER)

Collaborative Care for Veterans with Spine Pain and Mental Health Conditions (COCOV)
Co-Principal Investigator

Assessment of Chiropractic Treatment for Low Back Pain, Military Readiness, and Smoking Cessation in Military Active Duty Personnel (ACT I, II, III)
Director, Data Coordinating Center

ACT I: Assessment of Chiropractic Treatment for Low Back Pain and Smoking Cessation in Military Active Duty Personnel

ACT II: Assessment of Chiropractic Treatment Using Reaction and Response Times in Members of the Special Operation Forces

ACT III: Assessment of Chiropractic Treatment: Strength and Balance

Co-Management of Older Adults with Low Back Pain by Medical Physicians and Doctors of Chiropractic (COCOA)

Developmental Center for Clinical and Translational Science in Chiropractic (DCRCI)
Clinic & Data Core Leader

DCRCI Project 1: Patient Response to Spinal Manipulation (PRiSM)

DCRCI Project 2: Conservative Treatment of Patients with Temporomandibular Disorders

DCRCI Project 3: Cervical Distraction Sham Development: Translating from Basic to Clinical Studies

Selected Publications

Veteran response to dosage in chiropractic therapy (VERDICT): study protocol of a pragmatic randomized trial for chronic low back pain

Author(s): Long CR, Lisi AJ, Vining RD, Wallace RB, Salsbury SA, Shannon ZK, Halloran S, Minkalis AL, Corber L, Shekelle PG, Krebs EE, Abrams TE, Lurie JD, Goertz CM
Publication: Pain Med
Volume: 21
Issue: Suppl 2
Page(s): S37-S44
Year: 2020

View Article

Multimodal chiropractic care for migraine: a pilot randomized controlled trial

Author(s): Rist PM, Bernstein C, Kowalski M, Osypiuk K, Vining R, Long CR, Macklin E, Wayne PM
Publication: Cephalagia
Volume: epub ahead of print
Year: 2020

View Article

Effect of usual medical care plus chiropractic care vs usual medical care alone on pain and disability among US service members with lower back pain: a comparative effectiveness clinical trial

Author(s): Goertz CM, Long CR, Vining RD, Pohlman KA, Walter J, Coulter I
Publication: JAMA Netw Open
Volume: 1
Issue: 1
Page(s): e180105
Year: 2018

View Article

Similar effects of thrust and non-thrust spinal manipulation found in adults with subacute and chronic low back pain: a controlled trial with adaptive allocation

Author(s): Xia T, Long CR, Gudavalli MR, Wilder DG, Vining RD, Rowell RM, Reed WR, DeVocht JW, Goertz CM, Owens EF, Meeker WC
Publication: Spine
Volume: 41
Issue: 12
Page(s): E702 - E709
Year: 2016

View Article

Spinal manipulation and home exercise with advice for subacute and chronic back-related leg pain: a trial with adaptive allocation

Author(s): Bronfort G, Hondras MA, Schulz CA, Evans RL, Long CR, Grimm R
Publication: Ann Intern Med
Volume: 161
Issue: 6
Page(s): 381-391
Year: 2014

View Article

Faculty development initiatives to advance research literacy and evidence-based practice at CAM academic institutions

Author(s): Long CR, Ackerman DL, Hammerschlag R, Delagran L, Petersen DH, Berlin M, Evans RL
Publication: J Altern Complement Med
Volume: 20
Issue: 7
Page(s): 563-570
Year: 2014

View Article uses cookies for advertising. You may disable them in your browser settings. Privacy Statement
I understand