Predicting adherence to exercise-based therapy in rehabilitation
Yardley L., Donovan-Hall M.
Objective: To determine whether the theory of planned behavior (TPB) would predict adherence to exercise-based therapy and whether perceived symptom changes during therapy would add to the prediction of adherence. Design: Prospective observational study. Participants: 106 women and 44 men undertaking rehabilitation for dizziness. Method: The TPB predictors were assessed with a structured interview at baseline and at 3 months after the beginning of therapy. Symptoms provoked by the exercises were measured at baseline, at the initial therapy session, and at 1 week and 3 weeks after the beginning of therapy. Results: Both pretreatment and posttreatment intentions were related to adherence. Symptom perceptions independently predicted adherence. Conclusions: The findings suggest that interventions to improve adherence could be based on the TPB, but symptom experiences during treatment also need to be taken into account in such interventions. Copyright 2007 by the American Psychological Association.