Perceived Community Environmental Factors Predict Risk of 5- year Participation Restriction among Older Adults with or at Risk of Knee Osteoarthritis: the MOST Study Molly W. Vaughan, PhD, DPT, Research Associate, Boston, University Sargent College of Health and Rehabilitation Sciences, Boston, MA David T. Felson, MD, MPH, Professor of Medicine & Epidemiology, Section Chief, Clinical Epidemiology Research & Training Unit, Director, Clinical Translational Science Award Training Program, Associate Director, Boston University CTSI, Boston University School of Medicine, Boston, MA Michael P. LaValley, PhD, Professor, Department of Biostatistics, Boston University School of Public Health, Boston, MA Gael I. Orsmond, PhD, Associate Professor, Department of Occupational Therapy, Director, PhD in Rehabilitation Sciences Program, Boston University Sargent College of Health and Rehabilitation Sciences, Boston, MA Jingbo Niu, DSc, Senior Faculty, Department of Medicine - Nephrology, Baylor College of Medicine, Houston, TX Cora E. Lewis, MD, MSPH, Professor, Associate Director of Research, Division of Preventive Medicine, University of Alabama at Birmingham School of Medicine, Birmingham, AL Neil A. Segal, MD, MS, Professor and Faculty Physiatrist, Director of Clinical Research, Medical Director of Musculoskeletal Rehabilitation, Department of Rehabilitation Medicine, University of Kansas Medical Center, Kansas City, KS Michael C. Nevitt, PhD, MPH, and Professor, Department of Epidemiology & Biostatistics, University of California San Francisco School of Medicine, San Francisco, CA Julie J. Keysor, PhD, PT Associate Professor, Department of Physical Therapy and Athletic Training, Boston University Sargent College of Health and Rehabilitation Sciences, Boston, MA Abstract Corresponding Author: Molly W. Vaughan, PhD, DPT, ENACT/Boston University, College of Health and Rehabilitation Sciences, Boston University, Boston, MA, mvaughan@bu.edu. Conflict of interest statement: the authors have no financial disclosures and report no conflict of interest. HHS Public Access Author manuscript Arthritis Care Res (Hoboken). Author manuscript; available in PMC 2018 July 01. Published in final edited form as: Arthritis Care Res (Hoboken). 2017 July ; 69(7): 952–958. doi:10.1002/acr.23085. Author Manuscript Author Manuscript Author Manuscript Author Manuscript