. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: J Abnorm Child Psychol. 2014 Jan;42(1):21–35. doi: 10.1007/s10802-013-9800-6

Table 4.

Multiple regression analyses of the relations between symptoms of ADHD and sluggish cognitive tempo and measures of neuropsychological functioning

Neuropsychological Composite	Correlation with SCT	Multiple regression models^a
		Inattention	Hyp-Imp	SCT	R²	F
		B [95% CI]	B [95% CI]	B [95% CI]	R²	F
Full Scale IQ	.37^***	.34 [.23, .45]^***	−.02 [−.11, .07]	.14 [.05, .23]^**	.195	57.2^***
Processing Speed	.39^***	.38 [.27, .49]^***	.04 [−.04, .12]	.15 [.07, .23]^**	.259	82.3^***
Naming Speed	.34^***	.29 [.17, .41]^***	−.03 [−.12, .06]	.16 [.08, .24]^***	.171	47.9^***
Sustained Attention	.33^***	.16 [.04, .28]^*^b	.02 [−.08, .11]	.20 [.10, .30]^***	.112	26.4^***
Inhibition	.29^***	.27 [.14, .41]^***	.13 [.03, .23]^*	.10 [−.01, .21]	.163	42.1^***
Working Memory	.26^***	.22 [.12, .36]^***	.03 [−.06, .12]	.09 [−.01, .19]	.126	29.6^***
Response Variability	.29^***	.29 [.15, .43]^***	.05 [−.05, .15]	.10 [.00, .20]	.141	32.9^***

Note: N = 716. All measures are scaled so that a positive B indicates an association between higher levels of SCT and ADHD and greater neuropsychological weakness.

point estimates from amodel in which inattention, hyperactivity-impulsivity, and SCT were entered simultaneously as independent variables. Full scale IQ and symptoms of MDD, GAD, ODD, and CD were then entered simultaneously as covariates in a second step (Supplement Table 4).

the effect was not significant after FSIQ and symptoms of MDD, GAD, ODD, and CD were added (P > .05).

= p < .05,

^**

= P < .01,

^***

= P < .001