Table A16.

Results from stepwise regression models for eyes open delta activity at electrode Pz.

		Unstandardized Coefficients		Standardized Coefficients
Step	Predictor	B	SE	β	p	R 2	ΔR2	F	p
1	Age	−0.071	0.011	−0.410	<0.0001	0.168	0.168	44.25	<0.0001
2	Age Inattention Hyp/imp	−0.072 0.104 −0.016	0.011 0.108 0.108	−0.417 0.072 −0.011	<0.0001 0.337 0.886	0.172	0.004	15.107	<0.0001
3	Age Inattention Hyp/imp Data quality (artifact-free segments in %)	−0.066 0.074 −0.070 −0.102	0.010 0.104 0.105 0.003	−0.384 0.051 −0.048 −0.258	<0.0001 0.479 0.504 < 0.0001	0.236	0.063	16.64	<0.0001

N = 220. Hyp/imp = Hyperactivity/impulsivity. SE = standard error of B.