Table 2.

Utilities Used in the Analysis, Survey of Drivers in an Academic Institution, Bordeaux, France ( = 55)*

Utilities †	Baseline value (median)	Inter-quartile range (IQR)	Min - max
Driver without MC	1.0	1.0–1.0	0.8–1.0
Driver with MC undiagnosed	0.2	0.1–0.4	0.0–0.8
Driver with MC diagnosed (TP)	0.5	0.3–0.6	0.0–1.0
Driver wrongly diagnosed with MC (FP)	0.3	0.1–0.5	0.0–0.9
Driver severely injured	0.1	0.0–0.2	0.0–0.4
Loss of autonomy related to self-regulation strategies	0.4	0.3–0.7	0.0–1.0
Loss of autonomy in TP, imposed cessation	0.3	0.2–0.4	0.0–0.8
Loss of autonomy in FP, imposed cessation	0.1	0.0–0.3	0.0–0.9
Death	0.0	0.0–0.0	0.0–0.5

* MC indicates medical condition; TP true positive; FP false positive; min minimum; max maximum

^† Utility between 0 (worst conceivable state) and 1 (best conceivable state); see appendix for full definition of each state