Table 2 Participants’ self-assessment regarding being legally permitted to drive a car
Study day 1 | Study day 2 | ||||
|---|---|---|---|---|---|
Correct/safe self-estimation | Incorrect self-estimation (safety concern) | Correct/safe self-estimation | Incorrect self-estimation (safety concern) | ||
“I have reached the legal driving limit” (self-estimated BrAC 0.05%) | n (%) | 52 (61.2%) | 33 (38.8%) | 44 (47.3%) | 49 (52.7%) |
Measured BrAC (mean ± SD) | 0.035 ± 0.009 | 0.062 ± 0.01 | 0.04 ± 0.009 | 0.059 ± 0.007 | |
“I am below the legal driving limit” (self-estimated BrAC < 0.05%) | n (%) | 3 (25.0%) | 9 (75.0%) | 7 (58.3%) | 5 (41.6%) |
Measured BrAC (mean ± SD) | 0.045 ± 0.003 | 0.064 ± 0.018 | 0.041 ± 0.008 | 0.075 ± 0.015 | |