Example of a choice set.
stroke
BLOOD, STROKE
BP indicates Blood Pressure; GP, General Practitioner; IT, Information Technology; NHS, National Health Service.We performed a pretest in similar patients (n = 10). Results were used to inform two changes to the final version: levels of attribute “chance of having a stroke in 5 years” changed from probabilities to qualitative, and patients were asked to keep a pen and paper. The final survey instrument can be found in the 