. Author manuscript; available in PMC: 2018 Apr 28.

Published in final edited form as: J Perinatol. 2016 Oct 27;37(4):454–460. doi: 10.1038/jp.2016.197

Table 7. Predictors of Expressive Language at 20 Months Corrected Age.

	Unstandardized	Unstandardized 95% CI	Beta	p- value
Step 1
Gestational Age (weeks)	.27	(−.25, .80)	.18	.30
Maternal Education Level	.28	(−.05, .61)	.29	.10
Step 2
PPCV at 4 months CA	−.21	(−.05, −.37)	−.45	.014
Final F (3, 25)=3.94, p=.02; R²=.32; Step 2 ΔR²=.19