Predictors of treatment adherence in patients with centralized low back pain

BackgroundTreatment adherence is central to treatment success in rehabilitation for musculoskeletal conditions, including low back pain (LBP). Unfortunately, non-adherence to prescribed treatment is common and undermines treatment success.ObjectiveTo identify predictors of treatment adherence in physical therapy for patients with LBP.Methods209 cases of patients receiving physical therapy for a chief complaint of centralized LBP were retrospectively analyzed for predictors of treatment adherence. Symptom duration, pain intensity, level of disability, the presence of an opioid prescription, and patient cost were assessed as predictors of treatment adherence. Patients who completed their prescribed plan of care were classified as adherent.ResultsLogistic regression analysis revealed that individuals who had an opioid prescription were 2.56 (95% CI = 1.25-5.24, <i>p </i>= 0.010) times less likely to be adherent with treatment compared to individuals without an opioid prescription. Individuals who had symptoms for less than 1 month were 3.21 (95% CI = 1.12-9.24, <i>p </i>= 0.030) times less likely to be adherent with treatment compared to individuals who had experienced symptoms for 4 months to 1 year. Finally, individuals who paid greater than $40 per visit were 3.45 (95% CI = 1.31-9.09, <i>p </i>= 0.011) times less likely to be adherent with treatment compared to individuals who did not have to pay each visit.ConclusionThe results of this study may help clinicians quickly identify and address risk factors for lower treatment adherence in patients with LBP to mitigate the impact of suboptimal treatment adherence on patient outcomes.