Table 3.

Regression models predicting growth in reading and vocabulary over 18 weeks

Predictor	β	SE	Z	p
Model 1: Reading growth
Family risk (FR)	1.11	1.71	0.65	.516
Language impairment (LI)	0.62	3.53	0.18	.860
FR + LI	1.16	4.16	0.28	.780
Model 2: Vocabulary growth
FR	2.77	1.63	1.70	.090
LI	2.61	2.14	1.22	.221
FR + LI	−1.17	0.71	−1.65	.100