1. Sherrilene Classen, PhD, MPH, OTR/L, is Professor and Director, School of Occupational Therapy, Elborn College, Western University, London, Ontario, Canada, N6A 5B9; sclassen@uwo.ca. At the time of the study, she was Director, Institute for Mobility, Activity and Participation, and Associate Professor, Department of Occupational Therapy, College of Public Health and Health Professions, University
2. Yanning Wang, MS, is Doctoral Student, Department of Epidemiology, College of Public Health and Health Professions, University of Florida, Gainesville
3. Alexander M. Crizzle, PhD, MPH, is Postdoctoral Associate, Institute for Mobility, Activity and Participation, and Department of Occupational Therapy, College of Public Health and Health Professions, University of Florida, Gainesville
4. Sandra M. Winter, PhD, OTR/L, is Research Coordinator, Institute for Mobility, Activity and Participation, and Postdoctoral Associate, Department of Occupational Therapy, College of Public Health and Health Professions, University of Florida, Gainesville
5. Desiree N. Lanford, MOT, OTR/L, CDRS, is Certified Driving Rehabilitation Specialist, Institute for Mobility, Activity and Participation and Department of Occupational Therapy, College of Public Health and Health Professions, University of Florida, Gainesville