The accuracy of self-report logbooks of adherence to prescribed home-based exercise in Parkinson's disease.

Self-report logbooks may provide an accurate measure of overall adherence. However, the accuracy of individual logbooks was highly variable indicating caution is needed in using self-report measures to assess individual adherence in intervention studies and for clinical decision making. Clinical Trial Registration: Registered in Australia and New Zealand Clinical Trials Registry (https://www.anzctr.org.au/): Registration number: ACTRN12614001048673.Implications for rehabilitationAdherence to prescribed unsupervised exercise is usually self-reported.Self-reported logbooks gave a good to excellent indication of exercise adherence overall when compared to electronically captured records for a group of participants with mild to moderate Parkinson's disease.There were high levels of variability in the accuracy of individual logbooks with a tendency to record prescribed rather than actual exercise.Logbooks may be accurate to monitor group adherence, but caution is required when using them to assess an individual's adherence to an exercise prescription.