Table 5 SF administered and the number of questions to be added compared to longer SF and number of questions to be added
Domain name | SF administered in study | Longest available SF | ||
|---|---|---|---|---|
Number of items on SF | Recommended changes for SCD | Number of items on SF | Recommended changes for SCD | |
Physical Health | ||||
Fatigue | 4 | Add 8 items | 10 | Add 2 items |
Physical Activity | 8 | No change | 8 | No change |
Physical Stress Experience | 8 | Add 3 items | 8 | Add 3 items |
Physical Function/Mobility | 4 | Add 7 items | 8 | Add 1 item |
Physical Strength Impact | 8 | No change | 8 | No change |
Pain | ||||
Pain Behavior | 8 | Add 1 item | 8 | Add 1 item |
Pain Interference | 4 | Add 3 items | 8 | No change |