Table 2 Forward stepwise analysis for the model selection
| Â | AIC | BIC | Pseudo-R2 | Set of variables included in model |
|---|---|---|---|---|
Model (1) | 5330 | 5366 | 0.01 | Constant term and type of disorder (SMI, nSMI, A&S) |
Model (2) | 5331 | 5426 | 0.01 | Model (1) with socio-demographic variables |
Model (3) | 4898 | 5004 | 0.05 | Model (2) with number of hours from admission to discharge |
Model (4) | 4866 | 4996 | 0.05 | Model (3) with controls for triage and mode of arrival |
Model (5) | 4795 | 4949 | 0.07 | Model (4) with controls for reason for accessing and local health agency |
Model (6) | 4789 | 4955 | 0.07 | Model (5) with binary control for frequent attendees |
Model (7) | 4786 | 4975 | 0.07 | Model (5) with interaction term between type of disease and frequent attendees |