DIFFERENCES IN CHARACTERISTICS AND DOWNSTREAM DRUG USE AMONG OPIOID-NAÏVE AND PRIOR OPIOID USERS WITH LOW BACK PAIN

Doctor of Physical Therapy Division, Duke University School of Medicine, Durham, North Carolina; Division of Physical Therapy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Center for the Intrepid, Brooke Army Medical Center, Joint Base San Antonio-Fort Sam Houston, Texas; Orthopedics, Duke University, Durham, North Carolina