Development and content validation of a questionnaire measuring patient empowerment in cancer follow-up

The aim of this study was to develop and ensure the content validity of a new patient-reported outcome measure, the Cancer Patient Empowerment Questionnaire (CPEQ), to measure the level of, desire for, and enablement of empowerment among cancer patients in follow-up. An iterative process based on: (i) empowerment theories by Zimmerman and Tengland, (ii) a systematic review of questionnaires measuring empowerment or related concepts among cancer...