Frequency format diagram and probability chart for breast cancer risk communication: a prospective, randomized trial
2008

Improving Breast Cancer Risk Communication

Sample size: 150 publication Evidence: moderate

Author Information

Author(s): Ghosh Karthik, Crawford Brianna J, Pruthi Sandhya, Williams Constance I, Neal Lonzetta, Sandhu Nicole P, Johnson Ruth E, Wahner-Roedler Dietlind, Britain Marcia K, Cha Stephen S, Ghosh Amit K

Primary Institution: Mayo Clinic

Hypothesis

Does using a frequency format diagram alongside a bar graph improve women's understanding of breast cancer risk?

Conclusion

Using a bar graph plus a frequency format diagram can enhance the accuracy of breast cancer risk perception among women who initially perceive their risk as very high.

Supporting Evidence

  • 72% of women overestimated their breast cancer risk before education.
  • Accuracy of risk perception improved significantly in the BG+FF group.
  • The BG+FF group showed a significant decrease in inaccurate high-risk perception.

Takeaway

This study shows that using pictures along with graphs helps women understand their breast cancer risk better, especially if they think their risk is really high.

Methodology

A prospective, randomized trial comparing risk communication using a bar graph alone versus a bar graph with a frequency format diagram.

Potential Biases

Potential allocation bias due to providers' explanations not being controlled.

Limitations

The study population was predominantly white and well-educated, which may limit generalizability.

Participant Demographics

Mean age 60.2 years, 88% white, 97% had at least a high school education.

Statistical Information

P-Value

0.10

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6874-8-18

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