Table 1 Characteristics of the study sample
From: A functional difficulty and functional pain instrument for hip and knee osteoarthritis
Characteristics | Total sample n = 328 |
|---|---|
Mean age (standard deviation), years | 61.8 (15.1) |
Female | 207 (64.5) |
Race/Ethnicity | Â |
   American Indian or Alaskan native | 1 (0.3) |
   Asian or Pacific Islander | 8 (2.4) |
   Black (not of Hispanic origin) | 30 (9.1) |
   Hispanic | 4 (1.2) |
   Mixed race or ethnicity | 2 (0.6) |
   Other or not available | 4 (1.2) |
   White (not of Hispanic origin) | 279 (85.0) |
Education level | Â |
   ≤ High school degree/GED | 64 (19.5) |
   ≤ 4 years of college | 96 (29.3) |
   ≥ 4 years of college | 168 (51.2) |
Joints affected | Â |
   Hip and knee | 89 (27.1) |
   Hip only | 53 (16.2) |
   Knee only | 186 (56.7) |
Joint surgery | Â |
   Yes | 150 (45.7) |
PF-10 score at baseline | Â |
   None to slightly limited | 147 (44.8) |
   More limited | 143 (43.6) |
   Most limited | 38 (11.6) |