Does spouse participation influence quality of life reporting in patients with Parkinson’s disease?

Purpose To investigate whether patient–spouse co-reporting (patient reporting with assistance from their spouse) results in the same ratings of health-related quality of life (HRQoL) as patient ratings without co-reporting, and to assess whether mutuality of the marital relationship is a determinant of co-reported ratings. Patients are the best source of HRQoL; however, co-reporting is common in clinical settings, but has not been compared to independent patient reporting of HRQoL.