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Development and Usability Testing of a Computer-Tailored Decision Support Tool for Lung Cancer Screening: Study
Lisa Carter-Harris1,2, Robert Skipworth Comer3, Anurag Goyal3
1Science of Nursing Care Department, Indiana University School of Nursing, Indiana University-Purdue University at Indianapolis, Indianapolis, IN, United States.
JMIR Research Protocols
|November 18, 2017
Summary
A new decision support tool improves lung cancer screening knowledge and preparedness for shared decision-making. This computer-tailored aid helps patients discuss screening effectively with their clinicians.
Area of Science:
- Public Health
- Health Communication
- Decision Science
Background:
- Low awareness of lung cancer screening poses a challenge for shared decision-making.
- Effective methods are needed to prepare patients for clinician discussions on lung cancer screening.
Purpose of the Study:
- Develop a computer-tailored decision support tool for lung cancer screening.
- Ensure the tool meets International Patient Decision Aid Standards (IPDAS) version 4.0 criteria.
- Facilitate shared decision-making in lung cancer screening.
Main Methods:
- A 3-phase approach was used: community advisory board development, prototype usability testing, and a pilot randomized controlled trial (RCT).
- The pilot RCT involved 60 screening-eligible individuals new to lung cancer screening.
- Outcomes measured included knowledge, health beliefs, preparedness for discussion, and screening adoption.
Main Results:
- Usability testing confirmed the tool is user-friendly, helpful, and satisfactory.
- Phase III (pilot RCT) is underway with 60 participants enrolled and completing baseline and follow-up surveys.
- Anticipated results by March 2018 will inform future large-scale RCTs.
Conclusions:
- The decision support tool is effective in improving user experience.
- Preliminary data will guide a fully powered RCT assessing changes in knowledge, risk perception, benefits, barriers, self-efficacy, and preparedness.
- The tool aims to enhance informed decision-making for lung cancer screening.
