Iwqol-lite-ct Pdf May 2026
The IWQOL-Lite-CT (Impact of Weight on Quality of Life-Lite Clinical Trials Version) was developed as a 20-item, patient-reported outcome measure specifically designed for clinical trials, focusing on physical and psychosocial impacts of weight. It offers a validated, 0–100 scale, widely used in obesity treatments to demonstrate improvements in patient-reported quality of life. For detailed validation information and the study, visit RTI Health Solutions.
Review:
Summary of the Instrument
If you are writing a paper and need a citation for the tool itself, you can cite the 2019 paper listed above, or the original Lite version paper if you are discussing the history of the tool: iwqol-lite-ct pdf
- Physical Function (5-6 items): Assesses difficulties with walking, climbing stairs, getting out of chairs, and general mobility due to body weight.
- Self-Esteem (3-4 items): Measures feelings of embarrassment, shame, and lack of self-confidence related to appearance and weight.
- Public Distress (2-3 items): Evaluates anxiety regarding how others perceive the individual in public spaces (e.g., eating in a restaurant or using a swimming pool).
| Pitfall | Consequence | Solution | | :--- | :--- | :--- | | Using the IWQOL-Lite (31-item) PDF instead of CT | Invalid comparison to historical drug trial data | Verify item count (20) | | Altering the Likert scale anchors | Breaks copyright; invalidates licensing | Use the PDF as-is | | Printing in black/white without high contrast | Older patients misread the scale | Print scaling tests first | | Calculating total score by sum of items | Overweights specific domains | Use domain mean method | The IWQOL-Lite-CT (Impact of Weight on Quality of
Structure: Consists of 20 items divided into two primary domains: Physical (7 items) and Psychosocial (13 items). A 5-item Physical Function composite is also supported for regulatory purposes. | Pitfall | Consequence | Solution | |