| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 0 | No difficulty | No difficulty | ||
| 1 | A little difficulty | A little difficulty | ||
| 2 | Some difficulty | Some difficulty | ||
| 3 | Much difficulty | Much difficulty | ||
| X | I did not do this in the past 7 days | I did not do this in the past 7 days |