Melanie Nafziger, Anne-Kathrin Geier, Felix Johannes Bauch, Tobias Deutsch, Thomas Frese
When and why do medical students drop out of extracurricular longitudinal general practice tracks? A cross-sectional study from two German medical faculties
BMJ open
online health information particularly important cardiovascular disease cvd prevention lifestyle changes recommended risk becomes high enough warrant pharmacological intervention online information abundant quality often poor many people adequate health literacy access understand use effectively project aimed review evaluate suitability online cvd risk calculators use low health literate consumers terms clinical validity understandability actionability systematic review public websites august november 2016 used evaluation clinical validity based highrisk patient profile assessment understandability actionability using patient education material evaluation tool print materials total 67 unique webpages 73 unique cvd risk calculators identified highrisk patient profile produced widely variable cvd risk estimates ranging little 3 high 43 risk cvd event next 10 years onequarter 25 risk calculators specify model estimates based common clinical model framingham 44 calculators 77 provided 10year cvd risk estimate calculators scored moderately understandability mean score 64 poorly actionability mean score 19 absolute percentage risk stated calculators 79 18 included graphical formats consistent recommended risk communication guidelines plethora online cvd risk calculators available readily understandable actionability poor entering clinical information produces widely varying results little explanation developers need address actionability well clinical validity understandability improve usefulness consumers low health literacy