Table 4.

Estimated Unstandardized Parameters of Linear Latent Growth Curve Using SEM Approach and MLM Approach

	Mother report		Father report		Adolescent report		Mother-Adolescent discrepancy		Father-Adolescent discrepancy
Parameter	SEM	MLM	SEM	MLM	SEM	MLM	SEM	MLM	SEM	MLM
Fix part
Intercept	.296	.296	.275	.277	.222	.224	.104	.101	.078	.079
Slope	−.015	−.013	−.018	−.017	.015	.016	−.048	−.045	−.054	−.053
Random part
Intercept	.064	.059	.065	.060	.036	.034	.087	.077	.073	.060
Slope	.002	.002	.001	.001	.003	.002	.005	.002	.004	.001

Note. SEM = structural equation model, MLM = multilevel model. Models include intervention status as a covariate.

All estimated parameters were statistically significant at .001 level.