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

Published in final edited form as: J Pediatr. 2018 Sep 21;203:177–184.e1. doi: 10.1016/j.jpeds.2018.07.110

Table 5.

Predictors of Cognitive, Language and Motor Development among VPT Children Between Age 2 and 5 Years (n = 83)

	Base Model		Final Model		LMM
	β	p	β	p	p

Cognitive Development	R² (5, 77 ) = .11, p = .11		R² (6, 76 ) = .15, p = .04
Medical Risk Index	−.07	.51	−.08	.46	.21
Sex	.13	.23	.10	.35	.71
White Matter Abnormalities	.25	.03	−.23	.04	.03
Cognitive Ability at Age 2	−.05	.67	−.05	.69	.99
Social Risk Index	−.15	.20	−.16	.16	.34
Intervention Service utilization	-	-	−.21	.05	.06
Language Development	R² (5, 52) = .14, p = .16		R² (7, 50 ) = .27, p = .02
Medical Risk Index	−.11	.41	−.10	.42	.57
Sex	.05	.69	.08	.53	.13
White Matter Abnormalities	−.10	.46	−.03	.83	.63
Language Ability at age 2	.12	.38	.05	.72	.50
Social Risk Index	−.27	.04	−.01	.94	.94
Maternal Affective Involvement	-	-	−.32	.01	.03
Maternal Intellectual Ability	-	-	.35	.05	.04
Motor Development	R² (5, 77) = .21, p = .002		R² (6, 76) = .27, p < .001
Medial Risk Index	−0.14	.18	−0.19	.07	.38
Sex	0.09	.37	0.07	.47	.19
White Matter Abnormalities	−0.30	.007	−0.27	.01	.01
Motor Ability at Age 2	−0.38	.001	−0.37	.001	.005
Social Risk Index	−0.06	.56	−0.05	.64	.45
Maternal Behavioral Control	-	-	0.25	.01	.21

Note. LMM p-value: Linear Mixed-Effect Model with family clustering entered as a random factor with intercept.