Table 2.

Generalized linear mixed effects regressions predicting average UM and UH relative to total words produced, and UM ratio (UM/(UM + UH))

	Average UM			Average UH			UM ratio
	Est. (se)	z	p	Est. (se)	z	p	Est. (se)	z	p
Intercept	−4.33 (0.27)	−16.25	< 0.000	−5.98 (.23)	−26.51	< 0.000	−0.14 (.13)	−1.09	0.28
Age	−0.21 (0.16)	−1.38	0.17	−0.15 (0.12)	−1.21	0.23	0.05 (0.08)	−0.58	0.56
GCA	0.08 (0.16)	0.55	0.58	−0.11 (0.12)	−0.95	0.34	−0.04 (0.07)	0.53	0.59
Sex	−0.50 (0.30)	−1.68	0.09	0.82 (0.24)	3.36	< 0.001**	−0.46 (0.15)	−3.18	0.001**
SCQ	0.08 (0.21)	0.37	0.71	−0.02 (0.16)	−0.10	0.92	0.06 (0.11)	0.55	0.58
V Com	−0.12 (0.23)	−0.53	0.60	0.26 (0.17)	1.47	0.14	−0.08 (0.12)	−0.69	0.48
V Soc	0.16 (0.26)	0.62	0.54	−0.69 (0.20)	−3.48	< 0.001**	0.29 (0.13)	2.28	0.02*

Predictors associated with greater dependent variable values have positive log-odds (shown as estimate (Est.) with standard error (se) in parentheses). V Com Vineland Communication Domain scores, V Soc Vineland Socialization Domain scores, Sex 0 = girl, 1 = boy. * p<.05, ** p<.01