| Score | 1 | 2 | 3 | 4 |
| Weight unit | <5 kg | 5 - 15 kg | 16 - 30 kg | >30 kg |
| Material adaptation | well adapted | adapted | little adapted | not adapted |
| Daily frequency of corresponding task | nul | 1 to 2 times/day | 3 to 10 times/day | >10 times/day |
| Patient’s autonomy | complete | partial dependence | strong dependence | total dependence |
| Time constraint | nul | little | moderate | important |