. Author manuscript; available in PMC: 2015 Jan 21.

Published in final edited form as: J Speech Lang Hear Res. 2011 Dec 23;55(1):55–69. doi: 10.1044/1092-4388(2011/09-0257)

Table 6.

Growth model results for passage comprehension predicted by ΔDVAR.

Fixed effect	Coefficient	SE	df	t	p
Intercept, β₀₀	465.80	1.96	45	237.86	<.001
G2, β₁₀	13.56	1.48	45	1.48	<.001
ΔDVAR, β₀₁	−1.82	0.71	45	−2.58	.014
Month, β₂₀	4.71	0.39	45	12.16	<.001
G2 × Month, β₃₀	−3.35	0.44	45	−7.59	<.001
ΔDVAR × Month, β₂₁	0.03	0.11	45	0.31	.758
G2 × Month × DVAR, β₃₁	0.11	0.13	45	0.84	.408

Random effect	Variance	df	χ²	p	reduction in variance
Intercept, r₀	113.08	36	129.31	<.001	0.390
Month, r₁	4.93	36	111.95	<.001
G2 × Month, r₂	5.53	36	100.31	<.001
Error, e	78.23