Table 2. Impairment scores comparing those who screened positive or negative for childhood and adulthood ADHD.

Childhood screening results
	ADHD	No ADHD	Mann-Whitney U	Effect size (r)
Childhood impairment median	12.00	3.00	138.50*	0.64
Current impairment median	9.00	1.00	82.50*	0.64

Adulthood screening results
	ADHD	No ADHD	Mann-Whitney U	Effect size (r)
Childhood impairment median	18.00	4.50	91.00	0.58
Current impairment median	12.00	2.00	48.00	0.61