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Videotape-based decision aid for colon cancer screening. A randomized, controlled trial
M Pignone1, R Harris, L Kinsinger
1Division of General Internal Medicine and Clinical Epidemiology, University of North Carolina, CB 7110, 5039 Old Clinic Building, Chapel Hill, NC 27599-7110, USA.
Annals of Internal Medicine
|November 21, 2000
Summary
A patient decision aid significantly boosted colon cancer screening rates. The intervention, including a video and brochure, increased both the ordering and completion of screening tests.
Area of Science:
- Public Health
- Clinical Medicine
- Health Communication
Background:
- Low rates of colon cancer screening in the U.S. are partly due to poor patient-provider communication regarding screening options.
- Effective communication strategies are crucial for improving adherence to recommended health screenings.
Purpose of the Study:
- To evaluate the effectiveness of a multifaceted decision aid in enhancing colon cancer screening uptake.
- To determine if an intervention combining educational video, targeted brochure, and chart marker improves screening test ordering and completion.
Main Methods:
- A randomized controlled trial was conducted across three primary care practices.
- 249 eligible patients (aged 50-75) were randomized to receive either a colon cancer screening decision aid or a control video.
- Screening test ordering and completion rates were the primary outcome measures.
Main Results:
- The decision aid group showed a significant increase in the ordering of screening tests (47.2% vs. 26.4%).
- Completion rates for colon cancer screening tests were also higher in the intervention group (36.8% vs. 22.6%).
- The intervention demonstrated a statistically significant improvement in both screening test ordering and performance.
Conclusions:
- A decision aid comprising an educational video, brochure, and chart marker effectively increases colon cancer screening.
- This intervention represents a promising strategy to address low screening rates and improve patient outcomes.
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