Measurement Equivalence of Standard and Zoom-Enabled Electronic Clinical Outcome Assessments: Implications for Patient Accessibility in Clinical Trials

Plain Language Summary

This research is important because it explores how to make clinical trials more inclusive for people with disabilities, especially those with vision impairments. As technology advances, using smartphones and tablets for collecting patient data in clinical trials is becoming common. One key feature is the "zoom" option, which allows users to enlarge text and images for better visibility. However, it is crucial to ensure that using this feature does not compromise the accuracy of the data collected. This study aimed to test whether an electronic clinical outcome assessment  tool, which includes a zoom feature, provides reliable results compared to the standard version without zoom.

In the study, 53 participants who experienced chronic or recent pain used the electronic clinical outcome assessment app to complete questionnaires both with and without the zoom feature. The researchers found a high level of agreement in the results from both versions, confirming that the data integrity is maintained when using the zoom function. Participants reported that the zoom feature was easy to use, especially beneficial for those who do not wear corrective lenses, and they appreciated being able to see the text more clearly.

The findings support the inclusion of zoom accessibility features in clinical trials. This is significant because it can encourage participation from individuals with vision impairments, ultimately leading to more diverse trial populations. The study highlights the need for careful design and testing of such tools to ensure they meet the needs of all participants without compromising the validity of the trial results.

In conclusion, implementing a zoom accessibility feature in electronic clinical outcome assessment tools can enhance the experience for vision-impaired participants while maintaining data integrity. This research emphasizes the importance of using technology to create a more accessible healthcare environment and calls for further studies to explore additional accessibility features.

 

Note: This content was created with assistance from artificial intelligence (AI) and has been reviewed and edited by ISPOR staff. For more information or for inquiries on ISPOR’s AI policy, click here or contact us at info@ispor.org.

Authors

Bryan McDowell Kelly M. Dumais Sarah T. Gary Helen A. Doll Gauri Nagrani Tomás Ward Willie Muehlhausen

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