Table 7.

Summary of stepwise regression analysis for variables predicting SEDCI-2 – Vocabulary (n = 76).

	Step 1			Step 2			Step 3
	B	SE B	β	B	SE B	β	B	SE B	β
Turn-taking (LENA)	0.15	0.04	0.40**	0.12	0.04	0.32**	0.10	0.04	0.28*
TV content No TV				130.26	45.77	0.31**	138.35	44.67	0.33**
Device use							−40.33	18.08	−0.23*
R2	0.16			0.25			0.30
F for ΔR2	13.83**			8.1**			4.98*
ΔR2	0.16			0.09			0.05

^*p < 0.05.

^**p < 0.01.