TABLE 3.

Growth curve model results for receptive language AE. Both unstandardized and standardized coefficients are reported, where standardized coefficients can be used to compare the effect size between tests.

	Coefficient unstandardized/standardized		Std error	Z‐Score	p value	95% conf. interval
Intercept of receptive language
Delta	0.473	0.089	0.368	1.286	0.199	[−0.248, 1.194]
Theta	0.362	0.091	0.295	1.229	0.219	[–0.215, 0.939]
Low‐alpha	0.145	041	0.266	0.544	0.586	[−0.377, 0.667]
High‐alpha	0.659	0.117	0.415	1.587	0.113	[−0.155, 1.472]
Beta	0.187	0.038	0.363	0.515	0.606	[−0.525, 0.899]
Gamma	0.220	051	0.320	0.690	0.492	[−0.407, 0.846]
Group	−0.287	−0.140	0.144	−1.998	0.046	[−0.569, −0.005]
Site	−0.335	−0.161	0.154	−2.182	0.029	[−0.636, −0.034]
Biological sex	0.469	0.229	0.147	3.182	0.001	[0.18, 0.757]
6‐month nonverbal AE	0.295	0.546	0.040	7.361	<0.001	[0.217, 0.374]
Slope of receptive language development
Delta	0.069	014	0.390	0.177	0.859	[−0.697, 0.835]
Theta	0.119	0.034	0.293	0.407	0.683	[−0.455, 0.694]
Low‐alpha	0.194	0.062	0.273	0.713	0.475	[−0.341, 0.731]
High‐alpha	0.477	0.096	0.433	1.102	0.270	[−0.372, 1.328]
Beta	−0.025	−0.005	0.378	−0.066	0.946	[−0.768, 0.717]
Gamma	−0.051	−0.013	0.326	−0.160	0.875	[−0.691, 0.589]
Group	−0.363	−0.201	0.151	−2.405	0.016	[−0.66, −0.067]
Biological sex	0.487	0.270	0.150	3.232	0.001	[0.192, 0.783]