With fewer items than the original version, it reduces "respondent burden," making it easier for participants to complete during long-term studies. Scoring and Interpretation
Extensive validation across major trials (such as the STEP program for semaglutide) has confirmed its reliability: iwqol-lite-ct pdf
However, a critical warning applies:
IWQOL-Lite-CT (Impact of Weight on Quality of Life-Lite Clinical Trials Version) is a specialized 20-item patient-reported outcome (PRO) tool used to measure weight-related quality of life in obesity clinical trials. Academia.edu With fewer items than the original version, it
Ensure you also cite the psychometric validation paper: it reduces "respondent burden