A laboratory driving simulation for assessment of driving behavior in adults with ADHD: a controlled study

Table 1 Driving outcomes in ADHD and control adults in low stimulus segment of simulated driving assessment

Driving Outcome	Controls n = 21	ADHD n = 20	Test Statistic (df), p value
Initial Monotonous Period
Maximum Velocity	59.6 ± 4.1	59.8 ± 2.6	t(40) = -0.2, p = 0.85
Mean Velocity	55.9 ± 3.8	56.0 ± 2.3	t(40) < 0.1, p = 0.99
Lane Position	0.62 ± 0.2	0.65 ± 0.2	t(40) = 0.5, p = 0.61
Reaction Time	1.99 ± 0.6	2.05 ± 0.4	t(40) = 0.1, p = 0.93
Final Monotonous Period
Maximum Velocity	58.4 ± 6.0	58.4 ± 4.0	t(40) = -0.3, p = 0.81
Mean Velocity	55.3 ± 5.5	54.9 ± 3.2	t(40) = -0.6, p = 0.58
Lane Position	0.65 ± 0.1	0.65 ± 0.2	t(40) = -0.4, p = 0.69
Reaction Time	1.73 ± 0.8	2.10 ± 0.4	t(36) = 1.4, p = 0.18
Collision	6(29)	13(65)	χ²₍₁₎ = 4.0, p = 0.05

df = degrees of freedom
Values in table represent mean ± standard deviation or frequency (percent). All analyses adjusted for age and gender

ISSN: 1744-859X