. Author manuscript; available in PMC: 2020 Mar 1.

Published in final edited form as: Brain Struct Funct. 2018 Dec 11;224(2):891–905. doi: 10.1007/s00429-018-1813-z

Table 3.

Prediction of mean tract-FA of selected pathways at age 6 to Oral Reading Index (ORI) at age 8, beyond covariates of sex and family history of reading delays and language and phonological awareness at age 6 (Unstandardized Coefficients, SE).

	Model 2A	Model 2B	Model 2C	Model 2D	Model 2E	Model 2F
Sex	0.55 (3.95)	1.22 (3.85)	−0.30 (3.72)	1.31 (3.08)	0.15 (3.67)	0.26 (3.19)
+ FH	−9.39 (4.44)^*	−9.24 (4.30)^*	−8.44 (4.18)	−7.65 (3.48)^*	−8.41 (4.13)	−6.97 (3.54)
Language	0.33 (0.17)	0.35 (0.17)^*	0.34 (0.16)^*	0.43 (0.14)^**	0.28 (0.16)	0.38 (0.14)^*
Phono Aware	0.33 (0.18)	0.21 (0.18)	0.21 (0.17)	0.21 (0.14)	0.28 (0.16)	0.15 (0.15)
Left Arcuate	-	129.37 (64.58)	-	-	-	–14.72 (63.17)
Left SLF	-	-	104.90 (44.89)^*	-	-	68.55 (42.64)
Right SLF	-	-	-	132.92 (28.54)^***	-	98.54 (34.77)^**
Left ICP	-	-	-	-	115.43 (42.98)^*	62.20 (42.99)

Δ R²	-	6.3%	8.0%^*	22.1%^***	10.4%^*	26.5%^***
Total R²	46.4%^***	52.7%^***	54.4%^***	68.5%^***	56.8%^***	72.9%^***
Adjusted R²	39.7%^***	44.8%^***	47.1%^***	63.4%^***	49.6%^***	64.5%^***

+FH = positive family history of reading delays

Language = CELF 4 Core Language Index

Phono Aware = CTOPP Phonological Awareness Composite Score

Arcuate = arcuate fasciculus

SLF = anterior superior longitudinal fasciculus

ICP = inferior cerebellar peduncle

p < .05

^**

p < .01

^***

p < .001