Table 5.

Regression parameters for the main analyses examining ADHD diagnosis, symptoms, and associated cognitive functions. Each independent variable was examined separately. Parameters (βs and 95% confidence interval for βs) are presented for the 4 covariates and the independent variables.

	Childhood Stimulants	Preterm Birth	Maternal High School	Maternal Graduate	Independent Variable
IQ	−0.07 (−0.19, 0.05)	0.13 (0.01, 0.25)	0.12 (0.00, 0.24)	0.09 (−0.21, 0.03)	−0.07 (−0.21, 0.06)
Processing speed factor	−0.07 (−0.19, 0.05)	0.12 (0.00, 0.24)	0.12 (0.00, 0.24)	0.10 (−0.22, 0.03)	0.01 (−0.11, 0.13)
Working memory factor	−0.07 (−0.19, 0.05)	0.12 (0.00, 0.24)	0.13 (0.00, 0.25)	0.10 (−0.22, 0.02)	−0.02 (−0.14, 0.09)
Interference control factor	−0.07 (−0.19, 0.05)	0.12 (0.00, 0.24)	0.12 (0.00, 0.25	0.10 (−0.21, 0.03)	0.00 (−0.12, 0.12)
Inhibition factor	−0.07 (−0.19, 0.05)	0.12 (0.00, 0.24)	0.12 (0.00, 0.25)	0.09 (−0.21, 0.03)	−0.02 (−0.14, 0.09)
Arousal factor	−0.07 (−0.19, 0.05)	0.12 (0.00, 0.24)	0.12 (0.00, 0.25)	0.10 (−0.22, 0.03)	0.01 (−0.11, 0.12)
Response variability factor	−0.07 (−0.19, 0.05)	0.12 (0.00, 0.24)	0.12 (0.00, 0.24)	0.10 (−0.22, 0.03)	0.01 (−0.12, 0.13)
ADHD diagnosis	−0.12 (−0.25, 0.01)	0.10 (−0.02, 0.22)	0.13 (0.01, 0.36)	0.09 (−0.21, 0.04)	0.13 (0.00, 0.26)
ADHD persistence	−0.10 (−0.24, 0.05)	0.10 (−0.05, 0.24)	0.17 (0.03, 0.32)	0.03 (−0.18, 0.12)	0.13 (−0.02, 0.27)
Child inattention	−0.10 (−0.23, 0.03)	0.12 (0.00, 0.24)	0.13 (0.01, 0.25)	0.10 (−0.22, 0.02)	0.09 (−0.04, 0.22)
Child hyperactivity-impulsivity	−0.14 (−0.27, −0.01)	0.12 (0.00, 0.23)	0.12 (0.00, 0.24)	0.10 (−0.22, 0.02)	0.17 (0.04, 0.29)*
Current inattention	−0.08 (−0.20, 0.04)	0.12 (0.00, 0.24)	0.13 (0.00, 0.25)	0.09 (−0.21, 0.03)	0.06 (−0.06, 0.17)
Current hyperactivity-impulsivity	−0.09 (−0.21, 0.03)	0.11 (−0.01, 0.23)	0.13 (0.01, 0.25)	0.09 (−0.21, 0.03)	0.09 (−0.03, 0.21)

Note: Bold font indicates p < 0.05;

^*child hyperactivity-impulsivity was the only significant predictor after applying the Hochberg correction.