Table 1. Goodness of model fit: Bayesian Information Index (BIC), Akaike Information Index (AIC), and Posterior Probability of being the correct model (PP)by number of trajectory groups.
| Cigarette smoking | Alcohol use | Marijuana use | Obesity status | |||||||||
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| Number of trajectory groups | BIC | AIC | PP | BIC | AIC | PP | BIC | AIC | PP | BIC | AIC | PP |
| 2 | -6880.7 | -6864.3 | 0.002 | -7815.1 | -7798.9 | 0.0 | -5380.8 | -5364.5 | 0.08 | -3707.2 | -3691.4 | 0.18 |
| 3 | -6874.2 | -6848.1 | 0.998 | -7803.5 | -7777.4 | 1.0 | -5378.3 | -5352.2 | 0.92 | -3705.7 | -3680.3 | 0.82 |
| 4 | -- | -- | -- | -- | ||||||||
-- No convergence