Equivalence testing of a newly developed interviewer-led telephone script for the EORTC QLQ-C30.

ABSTRACT:

Purpose

The European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life-Core Questionnaire (QLQ-C30) is a widely used generic self-report measure of health-related quality of life (HRQOL) for cancer patients. However, no validated voice script for interviewer-led telephone administration was previously available. The aim of this study was to develop a voice script for interviewer administration via telephone.

Methods

Following guidelines from the International Society for Pharmacoeconomics and Outcomes Research (ISPOR) PRO Mixed Modes Good Research Practices Task Force, a randomised cross-over equivalence study, including cognitive debriefing, was conducted to assess equivalence between paper and telephone administration modes. Assuming an expected int

SUBMITTER: Piccinin C 

PROVIDER: S-EPMC8921039 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature