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Cynthia Long, Ph.d., PStat

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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

Statistical applications in health-related research; statistical education in the health sciences; statistical consulting in CAM environments

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 - 2017-2022

Recent Awards/Key Committees

  • Chair, 11 NIH Center for Scientific Review (CSR) and National Center for Complementary and Integrative Health (NCCIH) Special Emphasis Panels/Scientific Review Groups
  • Member, 48 NIH CSR and NCCIH Special Emphasis Panels/Scientific Review Groups
  • Editorial Board, Journal of Manipulative and Physiological Therapeutics - 2005-present
  • Editorial Board, Journal of Canadian Chiropractic Association - 2005-present
  • 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-present
  • Editorial Board, Chiropractic & Manual Therapies - 2017-present
  • Member, Data and Safety Monitoring Body, NIH funded study: 1R01AT006226 - 2013-2016
  • Member (elected), American Statistical Association Board of Directors - 2014-2016
  • Member, American Statistical Association Council of Sections Governing Board - 2014-2016
  • Distinguished Achievement Award, American Statistical Association Teaching of Statistics in the Health Sciences Section - 2013
  • Chair, Data and Safety Monitoring Body, NIH funded study: 1R01AT004411 - 2010-2013
  • Editorial Board, Evidence Based Complementary and Alternative Medicine - 2012-2013
  • Chair, Data and Safety Monitoring Board, NIH funded study: 1U01AT001908 - 2007-2012
  • Council of Sections Representative, Section on Teaching of Statistics in the Health Sciences – American Statistical Association - 2010-2012

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
Co-Principal Investigator

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

Neural responses to physical characteristics of a high velocity, low amplitude spinal manipulation: effect of thrust duration

Author(s): Reed WR, Long CR, Kawchuk GN, Sozio RS, Pickar JG
Publication: Spine
Volume: 43
Issue: 1
Page(s): 1-9
Year: 2018

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Patient-centered professional practice models for managing low back pain in older adults: A pilot randomized controlled trial

Author(s): Goertz CM, Salsbury SA, Long CR, Vining RD, Andresen AA, Hondras MA, Lyons KJ, Killinger LZ, Wolinsky FD, Wallace RB
Publication: BMC Geriatrics
Volume: 17
Issue: 1
Page(s): 235
Year: 2017

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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): E702-709
Year: 2016

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Assessment of chiropractic treatment for active duty, U.S. military personnel with low back pain: a study protocol for a randomized controlled trial

Author(s): Goertz CM, Long CR, Vining RD, Pohlman KA, Kane B, Corber L, Walter J, Coulter I
Publication: Trials
Volume: 17
Issue: 1
Page(s): 70
Year: 2016

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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, Peterson DH, Berlin M, Evans RL
Publication: J Altern Complement Med
Volume: 20
Issue: 7
Page(s): 563-570
Year: 2014

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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
Page(s): 381-391
Year: 2014

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