Table 2.

Parameters used to select group trajectories and determine model adequacy

Model	Comparison	BIC
Parent-Child Communication
a. All intercept-only	N/A	−10151.47
b. One linear, two intercept-only	a	−10151.04
c. One quadratic, two intercept-only	b	−10143.94
d. Quadratic, linear, and intercept-onlya	c	−10087.71
e. Two quadratic, one intercept-only	d	−10089.50
f. One quadratic, two linear	d	−10091.47
g. Two quadratic, one linear	d	−10093.29
Parental Knowledge
a. All intercept-only	N/A	−9679.07
b. One linear, two intercept-only	a	−9765.00
c. One quadratic, two intercept-only	a	−9611.03
d. Quadratic, linear, and intercept-only	c	−9588.57
e. Two quadratic, one intercept-only	d	−9618.77
f. Two quadratic, one linear	d	−9596.26
g. All quadratica	f	−9593.54

Note. Each letter represents an iteration of the 3-group trajectories of various shapes (intercept-only, linear, or quadratic). The iteration with the highest BIC (Bayesian Information Criterion) was the model used for mediation analysis.

^aMost adequate iteration