Development of a patient-reported outcome (PRO) measure to assess patient perceptions of simplicity and complexity of treatment for type 2 diabetes.

The qualitative research conducted in this study supports the content validity of two newly developed instruments, the Simplicity of Diabetes Treatment Questionnaire (Sim-Q) and the Simplicity of Diabetes Treatment Questionnaire-Comparison (Sim-Q-Comp), designed to assess the simplicity and complexity of diabetes treatment from the patient's perspective.