Table 4.

Mediation Results With Covariates Entered Into Analysis

Covariate	a path			b path			c path			c′ path			R2ad
	β	t	p	β	t	P	β	t	p	β	t	p
Child ‘Other Types’	0.61	2.80	p=.0072	0.50	5.14	p≤.001	0.50	2.65	p=.0107	0.20	1.17	p=.25	0.6303
Family SES	0.53	2.52	p=.0149	0.69	5.94	p≤.001	0.47	2.02	p=.0485	0.10	0.52	p=.61	0.5048
Total Length of Language Recording	0.59	2.41	p=.0196	0.68	6.75	p≤.001	0.48	1.99	p=.05	0.09	0.45	p=.65	0.5160
Birth Order of Child	0.61	2.41	p=.0196	0.70	7.04	p≤.001	0.51	2.00	p=.05	0.08	0.47	p=.67	0.5065
Primary Caregiver Gender	0.61	2.40	p=.0199	0.71	7.19	p≤.001	0.56	2.16	p=.035	0.20	0.69	p=.4911	0.5089