| Variable | MMSE (Total) Rho | p-value |
| BI (Total score) | 0.55 | 0.001 |
| Feeding | 0.44 | 0.001 |
| Bathing | 0.45 | 0.001 |
| Grooming | 0.40 | 0.001 |
| Dressing | 0.41 | 0.001 |
| Bowel control | 0.17 | 0.10 |
| Bladder control | 0.39 | 0.001 |
| Toilet use | 0.44 | 0.001 |
| Transfer | 0.50 | 0.001 |
| Mobility | 0.58 | 0.001 |
| Stair climbing | 0.53 | 0.001 |