| I |
Daily living is almost independent in family and community |
| II |
There are some difficulties in daily life due to dementia-specific signs, behavior and communication, but the person can live independently with someone. |
| IIa |
The difficulties are observed outside of home |
| IIb |
The difficulties are observed inside of home |
| III |
Difficulties in daily life due to dementia-specific signs, behavior and communication are sometimes observed, and the person needs care by someone. |
| IIIa |
The difficulties are observed outside of home |
| IIIb |
The difficulties are observed inside of home |
| IV |
Difficulties in daily life due to dementia-specific signs, behavior and communication are frequently observed, and the person always needs care by someone. |
| M |
Due to serious mental illness and problematic behavior or diseases, the person needs medical care by specialists. |
