Table 6.
Summary of Results in NESARC (National) Sample
| Model | Classes | Factors | BIC | Log-likelihood | Number of Free Parameters |
|---|---|---|---|---|---|
| CFA | N/A | 1 | 284180.895 | −141996.369 | 18 |
| SP-FA | 2 | 1 | Unidentified | Unidentified | 20 |
| SP-FA | 3 | 1 | Unidentified | Unidentified | 22 |
| NP-FA | 2 | 1 | 286493.779 | −143147.585 | 19 |
| NP-FA | 3 | 1 | 284127.573 | −141954.029 | 21 |
| NP-FA | 4 | 1 | 283969.053 | −141864.316 | 23 |
| NP-FA | 5 | 1 | Unidentified | Unidentified | 25 |
| LCA | 1 | N/A | 317185.519 | −158545.721 | 9 |
| LCA | 2 | N/A | 286493.779 | −143147.585 | 19 |
| LCA | 3 | N/A | 284118.010 | −141907.434 | 29 |
| LCA | 4 | N/A | 283600.754 | −141596.541 | 39 |
| LCA | 5 | N/A | 283480.650 | −141484.223 | 49 |
| LCA | 6 | N/A | 283400.059 | −141391.662 | 59 |
| LCA | 7 | N/A | 283376.339 | −141327.536 | 69 |
| LCA | 8 | N/A | 283427.350 | −141300.776 | 79 |
Note. BIC=Bayesian Information Criterion. CFA=Confirmatory Factor Analysis. SP-FA=Semi-Parametric Factor Analysis. NP-FA=Non-Parametric Factor Analysis. LCA=Latent Class Analysis.