. Author manuscript; available in PMC: 2011 Nov 1.

Published in final edited form as: Infant Child Dev. 2010 Nov;19(6):577–593. doi: 10.1002/icd.711

Table 2.

Fourteen-month language score, in relation to whether media interactions were present at 6 months

Area of language assessed	Predictor variable: 6-Month media interactions	n	Outcome variable: 14-Month language score (Mean [S.D.])	Model 1^aβ (S.E.) [R²]	Model 2 β (S.E.) [R²]	Model 3 β (S.E.) [R²]
Total language	Interactions absent	154	95.7 (9.3)	0.15 (0.06) [0.02]^*	0.16 (0.06) [0.12]^*	0.07 (0.06) [0.19]
	Interactions present	99	98.2 (7.4)
Receptive language	Interactions absent	154	89.8 (9.7)	0.08 (0.06) [0.01]	0.09 (0.06) [0.10]	0.03 (0.07) [0.14]
	Interactions present	99	91.3 (8.0)
Expressive language	Interactions absent	154	102.1 (9.5)	0.17 (0.06) [0.03]^**	0.17 (0.06) [0.10]^**	0.10 (0.06) [0.16]
	Interactions present	99	105.2 (8.1)

p<0.05;

^**

p<0.01;

^***

p<0.001; p<0.10.

See statistical analysis section for Model definitions.