Table 4.

Adjusted Function (Patient-Specific Functional Scale) Treatment Effects (95% Confidence Interval) in Subgroup Positive and Subgroup Negative Participants for the Statistically Significant Predictors Only^{^a}

↵^a LSIQ=Lumbar Spine Instability Questionnaire (0 [“no instability”]−15 [“high instability”]), CSQ=Coping Strategies Questionnaire (0 [“good coping strategy”]−36 [“worst coping strategy”]), PASS-20 total score=Pain Anxiety Symptom Scale total score (0 [“low anxiety”]−100 [“high anxiety”]), Örebro questionnaire=Örebro Low Back Pain Screening Questionnaire (11 [“low risk of pain becoming persistent”]−192 [“high risk of pain becoming persistent”]). Highlighted values are statistically significant (P<.05).