Diabetes experts' reasoning about diabetes prevention studies: a questionnaire survey

<p>Abstract</p> <p>Background</p> <p>Presentation of results of diabetes prevention studies as relative risk reductions and the use of diagnostic categories instead of metabolic parameters leads to overestimation of effects on diabetes risk. This survey examines to what extent overestimation of diabetes prevention is related to overestimation of prevention of late complications.</p> <p>Methods</p> <p>Participants of two postgraduate courses in clinical diabetology in Austria (n = 69) and Germany (n = 31) were presented a questionnaire with 8 items at the beginning of the meetings. All 100 questionnaires were returned with 92 filled in completely. Participants were asked 1) to rate the importance of differently framed results of prevention studies and, for comparison, of the United Kingdom Prospective Diabetes Study (UKPDS), 2) to estimate to what extent late complications could be prevented by the achieved reductions in diabetes risk or HbA1c values, respectively.</p> <p>Results</p> <p>Prevention of diabetes by 60% was considered important by 84% of participants and 35% thought that complications could be prevented by ≥ 55%. However, if corresponding HbA1c values were presented (6.0% versus 6.1%) only 19% rated this effect important, and 12% thought that late complications could be prevented by ≥ 55%. The difference in HbA1c of 0.9% over 10 years in the UKPDS was considered important by 75% of participants and 16% thought that complications ('any diabetes related endpoint') were reduced by ≥ 55% (correct answer <15% by 20% participants).</p> <p>Conclusion</p> <p>The novel key message of this study is that the misleading reporting of diabetes prevention studies results in overestimation of effects on late complications.</p

Analysis of consumer information brochures on osteoporosis prevention and treatment

Purpose: Evidence-based consumer information is a prerequisite for informed decision making. So far, there are no reports on the quality of consumer information brochures on osteoporosis. In the present study we analysed brochures on osteoporosis available in Germany

Development of a patient decision aid for prevention of myocardial infarction in type 2 diabetes – rationale, design and pilot testing

Aims: Development and testing of a decision aid about prevention of myocardial infarction for persons with type 2 diabetes

Selective information seeking: can consumers' avoidance of evidence-based information on colorectal cancer screening be explained by the theory of cognitive dissonance?

Background: Evidence-based patient information (EBPI) is a prerequisite for informed decision-making. However, presentation of EBPI may lead to irrational reactions causing avoidance, minimisation and devaluation of the information

Effect of evidence based risk information on “informed choice” in colorectal cancer screening: randomised controlled trial

Objective To compare the effect of evidence based information on risk with that of standard information on informed choice in screening for colorectal cancer

Why not? – Communicating stochastic information by use of unsorted frequency pictograms – a randomised controlled trial

Objective: Statistical health risk information has been proven confusing and difficult to understand. While existing research indicates that presenting risk information in frequency formats is superior to relative risk and probability formats, the optimal design of frequency formats is still unclear. The aim of this study was to compare presentation of multi-figure pictographs in consecutive and random arrangements regarding accuracy in perception and vulnerability for cognitive bias