From: PROMIS Fatigue short forms are reliable and valid in adults with rheumatoid arthritis
Mean (SD) or % | All Clinic n = 348 | Sites | Online n = 200 | P-value | ||
---|---|---|---|---|---|---|
NY N = 82 | MD N = 217 | AL N = 49 | ||||
Age (years) | 57 (14) | 56 (15) | 56 (14) | 60 (10) | 51 (12) | <.001 |
Female (%) | 81% | 85% | 80% | 78% | 84% | .422 |
Racea (%) | ||||||
American Indian or Alaskan | 3% | < 1% | 3% | – | 4% | |
Asian | 4% | 9% | 5% | – | 1% | |
Black or African American | 10% | 11% | 13% | 20% | 4% | |
Middle Eastern/North African | – | – | – | – | – | |
Native Hawaiian/Pacific Islander | .2% | – | – | – | 0.5% | |
White | 84% | 71% | 79% | 80% | 95% | |
Other | 1% | 2% | 2% | – | – | |
Declined | 1% | 6% | < 1% | – | – | |
Ethnicity | ||||||
Hispanic | 7% | 16% | 4% | 2% | 6% | .714 |
Education > High school (%) | 79% | 91% | 76% | 74% | 93% | <.001 |
Employment (%) | .011 | |||||
Full time | 36% | 44% | 35% | 27% | 32% | |
Part time | 8% | 6% | 9% | 6% | 8% | |
Retired | 23% | 26% | 25% | 12% | 15% | |
Disabled due to RA | 22% | 14% | 19% | 49% | 32% | |
Otherb | 11% | 9% | 12% | 6% | 15% | |
Urban | 80% | 90% | 76% | 80% | 74% | .098 |
RA Characteristics | ||||||
RA duration (years) | 14 (11) | 13 (12) | 13 (10) | 17 (12) | 10 (10) | <.001 |
Patient Global Disease Activity (0–100) | 30 (27) | 27 (23) | 32 (28) | 28 (27) | 57 (23) | <.001 |