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Bivariate Model Fitting for the Association Between Symptoms of CUD and PLEs Among Young Adult Twins
| Model | Covariance | −2ll | No. of Free Parameters | AIC | SSABIC | |
|---|---|---|---|---|---|---|
| Correlated liability | 1 | AE | 15358.0 | 78 | 15514.0 | 15675.7 |
| 2 | A | 15361.5 | 77 | 15515.5 | 15675.2 | |
| Direction of causation | 1 | Symptoms of CUD →← PLEs | 15354.1 | 78 | 15510.1 | 15671.8 |
| 2 | Symptoms of CUD → PLEs | 15359.2 | 76 | 15511.2 | 15668.8 | |
| 3 | Symptoms of CUD ← PLEs | 15371.8 | 76 | 15523.8 | 15681.3 |
Note: Bold font indicates best fitting model.
