Table 4.
Hypoparathyroidism Symptom Diary final item concepts
| Item concept | Response scale |
|---|---|
| Symptoms | |
| Muscle cramps | VRS (5 levels: none to very severe)a |
| Tingling | VRS (5 levels: none to very severe) |
| Numbness | VRS (5 levels: none to very severe) |
| Muscle spasms | VRS (5 levels: none to very severe) |
| Heaviness in arms or legs | VRS (5 levels: none to very severe) |
| Physical fatigue | VRS (5 levels: none to very severe) |
| Slowed or confused thinking (brain fog) | VRS (5 levels: none to very severe) |
| Anxiety | VRS (5 levels: none to very severe) |
| Sadness or depression | VRS (5 levels: none to very severe) |
| Impacts | |
| Sleep | VRS (3 levels: not at all to very much) |
| Ability to exercise | VRS (3 levels: not at all to very much) |
| Ability to work (at school, home, or at a job) | VRS (3 levels: not at all to very much) |
| Relationships with family members | VRS (3 levels: not at all to very much) |
VRS verbal rating scale
aA 0–10 numeric rating scale was originally proposed and evaluated in the cognitive interviews for this item; upon completion of the interviews, however, and during finalization of the measure, it was determined that a VRS should be used to allow for consistency of response options across all of the items