↵^a Continuous data are mean (SD); categorical data are n (%). CSQ=Coping Strategies Questionnaire (0 [“good coping strategy”]−36 [“worst coping strategy”]), Örebro questionnaire=Örebro Low Back Pain Screening Questionnaire (11 [“low risk of pain becoming persistent”]−192 [“high risk of pain becoming persistent”]), PASS-20 total score=Pain Anxiety Symptom Scale total score (0 [“low anxiety”]−100 [“high anxiety”]), PSEQ=Pain Self-Efficacy Questionnaire (0 [“high fear avoidance”]−100 [“no fear avoidance”]), IPAQ=International Physical Activity Questionnaire (metabolic equivalent minutes per week), LSIQ=Lumbar Spine Instability Questionnaire (0 [“no instability”]−15 [“high instability”]), NRS=pain numeric rating scale (0 [“no pain”]−10 [“worst pain imaginable”]), PSFS=Patient-Specific Functional Scale (0 [“unable to perform activity”]−10 [“able to perform activity at preinjury level”]), RMDQ-24=24-item Roland-Morris Disability Questionnaire (0 [“no disability”]−24 [“high disability”]).