Table 5:

Writing Fluency Model

Indirect and Total Effects
				95% C.I. (a)
Type	Effect	Estimate	SE	Lower	Upper	β
Indirect	Age ⇒ ADHD Symptoms ⇒ Writing Fluency	−0.0243	0.149	−0.523	0.167	−0.00248
	Gender ⇒ ADHD Symptoms ⇒ Writing Fluency	0.3694	0.802	−0.532	3.107	0.01166
	Working Memory ⇒ ADHD Symptoms ⇒ Writing Fluency	−0.3896	0.591	−1.915	0.523	−0.02565
	Inhibitory Control ⇒ ADHD Symptoms ⇒ Writing Fluency	0.0744	0.260	−0.208	1.081	0.00485
	Set Shifting ⇒ ADHD Symptoms ⇒ Writing Fluency	0.1118	0.317	−0.240	1.310	0.00797
Component	Age ⇒ ADHD Symptoms	−0.2777	0.937	−2.054	1.663	−0.03129
	ADHD Symptoms ⇒ Writing Fluency	0.0877	0.122	−0.180	0.310	0.07939
	Gender ⇒ ADHD Symptoms	4.2147	3.437	−3.285	10.601	0.14693
	Working Memory ⇒ ADHD Symptoms	−4.4449	1.809	−7.938	−0.673	−0.32313
	Inhibitory Control ⇒ ADHD Symptoms	0.8493	1.484	−1.948	3.917	0.06104
	Set Shifting ⇒ ADHD Symptoms	1.2758	1.629	−1.820	4.532	0.10038
Direct	Age ⇒ Writing Fluency	−0.4319	1.208	−2.922	1.779	−0.04409
	Gender ⇒ Writing Fluency	−4.5113	3.535	−11.550	3.160	−0.14243
	Working Memory ⇒ Writing Fluency	7.7329	2.009	3.579	11.621	0.50915
	Inhibitory Control ⇒ Writing Fluency	−0.1542	1.765	−3.740	3.254	−0.01004
	Set Shifting ⇒ Writing Fluency	−1.9948	1.331	−4.655	0.731	−0.14215
Total	Age ⇒ Writing Fluency	−0.4562	1.093	−2.599	1.687	−0.04657
	Gender ⇒ Writing Fluency	−4.1419	3.446	−10.895	2.611	−0.13077
	Working Memory ⇒ Writing Fluency	7.3433	1.727	3.959	10.727	0.48349
	Inhibitory Control ⇒ Writing Fluency	−0.0798	1.616	−3.248	3.088	−0.00519
	Set Shifting ⇒ Writing Fluency	−1.8830	1.490	−4.803	1.037	−0.13418

Note. Confidence intervals computed with method: Bias corrected bootstrap

Note. Betas are completely standardized effect sizes