. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2015 Oct 9;54(12):1042–1050. doi: 10.1016/j.jaac.2015.09.009

Table 2.

Intercept and Slope Estimates for the Four Classes of the Growth Mixture Model (GMM) for Sensation-Seeking Scores, Boricua Youth Study Waves 1–3.

GMM sensationseeking classes		Fixed Coefficient	SE	p Value	Variance of random effect	% in class
Normative	Intercept	1.096	0.169	<.001	0.254	43.80
	Slope	−0.255	0.105	.015	0.737
Low	Intercept	−2.02	0.224	<.001	0.099	37.20
	Slope	0.008	0.206	.970	0.000

Accelerated	Intercept	−1.916	0.181	<.001	0.000	12.00
	Slope	1.668	0.512	.001	0.641

Stabilizers	Intercept	4.306	0.419	<.001	0.208	7.00
	Slope	−1.471	0.265	<.001	1.195

Note: SE = standard error.