. Author manuscript; available in PMC: 2019 Nov 1.

Published in final edited form as: Nutr Neurosci. 2017 May 23;21(9):632–640. doi: 10.1080/1028415X.2017.1329976

Table 4.

Summary of regression analyses predicting academic achievement subtest standard scores¹

Composite Test	Reading				Math				Written Language				Reading Fluency				Subtest

Subtest	Letter and Word Recognition		Reading Comprehension		Math Concepts		Math Computation		Written Expression		Spelling		Word Recognition Fluency		Decoding Fluency		Listening Comprehension
Step and Variable	β	ΔR²	β	ΔR²	β	ΔR²	β	ΔR²	β	ΔR²	β	ΔR²	β	ΔR²	β	ΔR²	β	ΔR²
Step 1		0.31^*		0.33^*		0.38^*		0.20^*		0.16		0.19^*		0.25^*		0.24^*		0.29^*
Sex	0.07		−0.09		0.04		−0.02		−0.10		−0.10		−0.07		0.06		0.01
IQ	0.47^*		0.54^*		0.56^*		0.30^*		0.37^*		0.45^*		0.49^*		0.45^*		0.47^*
Whole body % fat	0.02		0.05		−0.03		−0.04		−0.07		0.04		0.14		0.04		0.04
Fat Free VO2	0.25^*		0.26^*		0.15		0.29^*		−0.09		0.05		0.24		0.17		0.26^*
Step 2		0.02		0.04		0.05^*		0.09^*		0.11^*		0.13^*		0.01		0.03		0.00
MPOD	0.14		0.21		0.24^*		0.30^*		0.35^*		0.36^*		0.12		0.18		0.03

Intelligence quotient.

P<0.05.