. Author manuscript; available in PMC: 2018 Mar 1.

Published in final edited form as: J Autism Dev Disord. 2017 Mar;47(3):768–784. doi: 10.1007/s10803-016-2999-7

Table 3.

Fixed Effect Estimates (Top) and Variance-Covariance Estimates (Bottom) for VABS Communication Scores with Responsivity and Child Predictors

Parameter	Model 1		Model 2		Model 3		Model 4

	Estimate	SE	Estimate	SE	Estimate	SE	Estimate	SE
Fixed Effects
Intercept	54.32^***	2.52	29.49^***	1.62	29.35^***	1.38	29.56^***	1.17
Level 1
Linear			.87^***	.06	.87^***	.05	.86^***	.05
Quadratic			−.004^***	.0005	−.005^***	.0005	−.004^***	.0005
Level 2 Predictors
Mat. Resp. on Inter.					2.32^**	.68	.83	.64
Mat. Resp. on Linear					.13^***	.02	.12^***	.02
Mat. Resp. on Quad					−.0007^**	.0002	−.0007^**	.0002
CARS on Intercept							−.44^*	.22
CARS on Linear							−.01^**	.005
Mullen on Intercept							.51^**	.16
Random Parameters
Intercept	278.28^***	67.14	111.50^***	24.66	73.83^***	17.21	43.52^***	11.59
Slope			.06^***	.01	.04^***	.009	.03^***	.008
Covariance			1.31^**	.43	.35	.27	.04	.21
Residual	348.72^***	33.79	26.27^***	2.95	24.94^***	2.80	24.95^***	2.80
Model Fit
−2 log likelihood	2416.6		1934.0		1890.9		1860.8
BIC	2428.6		1962.1		1931.0		1912.9

p < .05,

^**

p < .01,

^***

p < .001