Table 4.

Results of Cross modal Regression Analyses for Effects of Early Vocabulary Size on Later Vocabulary Size, with Group as a Moderator

	Coefficient	Robust SE
Later Expressive Vocabulary Size (ASD n = 59, TD n = 46)
Early Receptive Vocabulary	0.80***	0.20
Gender (Female = 1)	18.87	24.21
Group (ASD = 1)	−109.01†	60.18
Time 1 Chronological Age	1.05	1.71
Group X Early Receptive Vocabulary	−0.39	0.25
Constant	92.10**	31.58
Later Receptive Vocabulary Size (ASD n = 56, TD n = 46)
Early Expressive Vocabulary	0 72***	0.20
Gender (Female = 1)	18.63	17.64
Group (ASD = 1)	−156.53**	52.96
Time 1 Chronological Age	−0.55	1.93
Group X Early Expressive Vocabulary	1.31*	0.56
Constant	297.30***	29.66

^†p < .10;

^*p < .05;

^**p < .01;

^***p < .001