Table 2.

Parameter estimates for final latent trajectory classes

Trajectory Classes/Parameters	b	SE	p
Low (n = 248; 36.9%)
Intercept	2.82	.22	<.01
Linear term	−.73	.28	<.01
Quadratic term	.05	.08	.58
Low-Increasing (n = 51; 7.6%)
Intercept	2.57	.71	<.01
Linear term	−.81	.75	.28
Quadratic term	.56	.20	<.01
High-Decreasing (n = 230; 34.2%)
Intercept	5.38	.24	<.01
Linear term	.45	.36	.21
Quadratic term	−.51	.11	<.01
High (n = 144; 21.4%)
Intercept	5.46	.23	<.01
Linear term	1.03	.33	<.01
Quadratic term	−.25	.10	.01

Note. b = unstandardized coefficient; SE = standard error;

p = two-tail probability value.