. 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 4.

Classroom level, child level, and Child Level × Classroom Level interactions predicting ΔDVAR.

Fixed effect	Coefficient	SE	df	p
Intercept, fitted mean ΔDVAR	−5.28	0.44	25	<.001
School socioeconomic status (SES)	0.06	0.01	25	<.001
Special education status	0.67	0.76	40	.381
African American (AA = 1)	1.20	0.51	40	.024
AA × School SES	−0.07	0.01	40	<.001
Vocabulary	−0.08	0.03	40	.016
Vocabulary × School SES	−0.001	0.001	40	.655
Nonword Repetition DS	−0.005	0.002	40	.047
Nonword Repetition × School SES	−0.0002	0.0001	40	.025

Random effect	Variance	df	χ²	p
Intercept (u₀)	0.002	25	12.30	>.500
Level 1 (r)	3.400

Note. Deviance = 243.137.