TABLE 2

Fit Statistics for Latent Class Smoking Trajectories for Original Youth Development Study Cohort (1988–2011)

Latent ClassesLog-likelihoodParametersBIC StatisticClassification ErrorsReduction Errors
1−12643.894025656.60
2−10870.808122488.430.020.95
3−10228.8412221582.560.030.95
4−9872.4016321247.700.050.92
5−9678.5620421238.070.040.92
6−9512.6424521284.260.040.92
7−9387.9228621412.850.050.92
  • BIC, Bayesian information criterion; —, not applicable.