| "4317001" | 
 -   | 
No Symptoms At All | 
| "4317003" | 
 -   | 
No significant disability despite symptoms; able to carry out all usual duties and activities | 
| "4317005" | 
 -   | 
Slight disability; unable to carry out all previous activities, but able to look after own affairs without assistance | 
| "4317007" | 
 -   | 
Moderate disability; requiring some help, but able to walk without assistance | 
| "4317009" | 
 -   | 
Moderately severe disability; unable to walk without assistance and unable to attend to own bodily needs without assistance | 
| "4317011" | 
 -   | 
Severe disability; bedridden, incontinent and requiring constant nursing care and attention | 
| "4317013" | 
 -   | 
Dead |