. Author manuscript; available in PMC: 2015 Jun 1.

Published in final edited form as: Addiction. 2013 Dec 10;109(6):977–985. doi: 10.1111/add.12399

Table 1.

Fit indices for general growth mixture models with 1–3 classes (N=514)

Number of Classes	Shape	Entropy	Log Likelihood	AIC	BIC
1	Linear	1	−1990.4	4006.7	4061.9
2	Linear	0.75	−1964.6	3963.1	4030.2
3	Linear	0.81	−1945.8	3933.5	4022.6
1	Quadratic	1	−1995.8	4009.7	4047.9
2	Quadratic	0.81	−1980.1	3984.3	4035.2
3	Quadratic	0.90	−1967.2	3964.4	4028.1