Table 2.

Linear Growth Mixture Models for BMI Trajectories Over Adulthood (Ages 19–35 Years), Monitoring the Future Study, 1986–2008 (N = 5,233)

	Model	Log Likelihood	BIC	AIC
A:	Single-class linear growth	−43,898.6	87,906.0	87,823.2
B:	+ Correlated measurement error over time	−43,685.8	87,538.9	87,411.5
C:	+ Two-class solution	−43,227.7	86,673.1	86,507.5
D:	+ Covariates	−39,629.4	79,847.0	79,400.9

Abbreviations: AIC, Akaike Information Criterion; BIC, Bayesian InFormation Criterion; BMI, body mass index.