Inaccurate risk perceptions and individualized risk estimates by patients with type 2 diabetes
Barry G Saver1, Kathleen M Mazor2, J Lee Hargraves2
1From the Department of Family Medicine and Community Health (BGS, JLH, MH), and the Meyers Primary Care Institute (BGS, KMM), University of Massachusetts Medical School, Worcester. Barry.Saver@umassmed.edu.
Summary
Diabetic patients often misunderstand personalized mortality risk information. Even when presented clearly, risk perceptions are influenced by personal beliefs, not just data, limiting the impact of risk estimates.
Area of Science:
- Cardiology
- Endocrinology
- Health Psychology
Background:
- Understanding patient response to personalized risk information is crucial for managing chronic diseases like diabetes.
- Type 2 diabetes patients with cardiovascular risk factors were studied to assess risk perception.
Purpose of the Study:
- To evaluate how diabetic patients comprehend and react to personalized risk information.
- To identify factors influencing risk perception and understanding in diabetes management.
Main Methods:
- A mixed-methods study with 56 type 2 diabetes patients.
- Assessed risk perceptions, presented personalized risk estimates, and re-ranked risks.
- Qualitative interviews explored underlying themes in risk perception and reaction.
Main Results:
- Most participants underestimated their mortality risk, with only 28% adjusting rankings to match predictions.
- Two-thirds of participants struggled to rank risks accurately based on presented information.
- Personal beliefs, anecdotes, and 'warning shot' ideas influenced risk perception over data.
Conclusions:
- Personalized risk estimates, especially for mortality, had limited impact on patient understanding and risk perception.
- Some patients could not comprehend the risk information despite clear presentation methods.
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