Table 2.
Latent class mixed model fit of the three SANS dimension trajectories
| Number of classes | Number of parameters | Fit statistics | % of the sample in each class | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AIC | BIC | aBIC | Entropy | Class 1 | Class 2 | Class 3 | Class 4 | ||
| Expressivity | |||||||||
| 1 | 4 | 8476.66 | 8492.15 | 8479.46 | 1.00 | 100.00% | |||
| 2 | 8 | 8261.06 | 8292.04 | 8266.66 | 0.90 | 89.30% | 10.70% | ||
| 3a | 12 | 8027.25 | 8073.72 | 8035.65 | 0.90 | 79.44% | 10.70% | 9.86% | |
| 4 | 16 | 8035.25 | 8097.20 | 8046.45 | 0.63 | 78.31% | 10.99% | 10.70% | 0.01% |
| Experiential | |||||||||
| 1 | 4 | 9711.55 | 9727.04 | 9714.35 | 1 | 100% | |||
| 2 | 8 | 9630.94 | 9661.92 | 9636.54 | 0.56 | 80.28% | 19.71% | ||
| 3a | 12 | 9550.71 | 9597.18 | 9559.11 | 0.75 | 72.11% | 15.77% | 12.11% | |
| 4 | 16 | 9558.71 | 9620.67 | 9569.91 | 0.48 | 70.74% | 16.62% | 12.68% | 0.01% |
| Attention | |||||||||
| 1 | 4 | 7144.43 | 7159.94 | 7147.25 | 1 | 100% | |||
| 2 | 8 | 6977.83 | 7008.85 | 6983.47 | 0.72 | 78.15% | 21.85% | ||
| 3a | 12 | 6912.45 | 6958.99 | 6920.92 | 0.85 | 77.46% | 19.89% | 3.08% | |
| 4 | 16 | 6920.45 | 6982.50 | 6931.74 | 0.80 | 76.50% | 19.89% | 3.36% | 0.01% |
SANS, Scale for the Assessment of Negative Symptoms; AIC, Akaike information criterion; BIC, Bayesian information criterion; aBIC, sample size-adjusted Bayesian information criterion.
a.The preferred model.