Table 3.

Linear growth curve model of internalizing problems.

Variable	B	β	SE	DF	p
intercept	-0.197	0.013	0.060	3977	.001
time	0.000	-0.036	0.008	3977	.963
Predictors of the intercepts
female	0.477	0.183	0.081	539	< .001
African American	-0.189	-0.089	0.112	539	.091
Other Ethnicity	-0.329	-0.024	0.343	539	.337
Predictors of the slopes
female	-0.018	-0.029	0.010	3977	.078
African American	-0.014	-0.016	0.015	3977	.329
Other Ethnicity	0.022	0.009	0.043	3977	.601
Variance components	SD
intercept	0.83
time	0.10
residual	0.58
Correlation between intercept and slope			r = -.41
Model Pseudo-R2	.753

Note: The model's pseudo R² was calculated as the squared correlation between the model's fitted and observed values (Singer & Willett, 2003).