Model comparisons
| Likelihood ratio | ||||||||
|---|---|---|---|---|---|---|---|---|
| Model | Variables | Parameter estimate (SE) | df | AIC | LL | Test | Ratio | p value |
| 1 | Intercept | 1.79 (0.35) | 7 | 1597 | −791.5 | |||
| pDCS | 59.6 (41.4) | |||||||
| DUR | 0.007 (0.003) | |||||||
| MSW | 0.028 (0.017) | |||||||
| NUM | −0.076 (0.177) | |||||||
| 2 | Intercept | 2.03 (0.31) | 5 | 1595 | −792.9 | 1 v 2 | 2.6 | 0.2705 |
| pDCS | 91.6 (28.3) | |||||||
| DUR | 0.006 (0.003) | |||||||
| 3 | Intercept | 2.41 (0.28) | 4 | 1604 | −798.1 | 2 v 3 | 10.4 | 0.0013 |
| DUR | 0.009 (0.003) | |||||||
| 4 | Intercept | 2.15 (0.30) | 4 | 1597 | −794.8 | 2 v 4 | 3.8 | 0.0498 |
| pDCS | 105 (27.5) | |||||||
| 5 | Intercept | 2.67 (0.27) | 3 | 1610 | −802.0 | 4 v 5 | 14.4 | 0.0001 |