Table 4.

Multiple linear regression analysis for the incremental validity of the ICU

	ADHD symptoms
	β	T	P
Model 1
Sex	− 0.17	− 2.85	0.005
OD	0.64	11.04	0.00
R12	0.45
Model 2
Sex	− 0.13	− 2.38	0.02
OD	0.55	9.37	0.00
CU	0.27	4.51	0.00
R22	0.51
ΔR2	0.06