Table II.

Association of Preschool ADHD Risk Status and Neuropsychological Functioning With Trajectories of Social Functioning

Fixed effects	Coefficient	SE	T ratio	p
Adaptability
Level 1 intercept
Intercept	2.12	0.06	33.75	<.0001
ADHD risk status	−0.33	0.09	−3.74	<.0001
SES	0.00	0.00	2.01	.043
Verbal neuropsychological functioning	0.05	0.05	1.00	.333
Nonverbal neuropsychological functioning	0.04	0.05	.744	.457
Level 1 linear slope
Intercept	0.01	0.01	1.00	.320
ADHD Risk Status	0.02	0.01	1.38	.170
SES	0.00	0.00	0.68	.499
Verbal neuropsychological functioning	−0.01	0.01	−0.99	.323
Nonverbal neuropsychological functioning	0.01	0.01	1.00	.371
Functional Communication
Level 1 intercept
Intercept	2.31	0.06	41.47	<.0001
ADHD risk status	−0.26	0.08	−3.25	.002
SES	0.00	0.00	2.14	.0333
Verbal neuropsychological functioning	0.14	0.05	2.66	.009
Nonverbal neuropsychological functioning	0.4	0.04	1.02	.310
Level 1 linear slope
Intercept	0.07	0.01	6.16	<.0001
ADHD Risk Status	−0.02	0.01	−1.22	.226
SES	0.00	0.00	0.53	.597
Verbal neuropsychological functioning	−0.02	0.01	−2.84	.005
Nonverbal neuropsychological functioning	−0.00	0.01	−0.49	.624
Social skills
Level 1 intercept
Intercept	1.82	0.09	21.01	<.0001
ADHD risk status	−0.41	0.11	−3.75	<.0001
SES	0.00	0.00	1.03	.307
Verbal neuropsychological functioning	0.12	0.07	1.64	.103
Nonverbal neuropsychological functioning	−0.06	0.05	−1.13	.259
Level 1 linear slope
Intercept	0.02	0.01	1.58	.116
ADHD risk status	−0.01	0.02	−0.28	.778
SES	0.00	0.00	.797	.427
Verbal neuropsychological functioning	−0.01	0.01	−1.43	.155
Nonverbal neuropsychological functioning	−0.02	0.01	−0.63	.532