Characteristic (n=4925) | Value |
---|---|
Demographic | |
Gender (female) (%) | 72.6 |
Age (years), mean±SD | 51.9±12.1 |
Race/ethnicity (%) | |
White | 52.0 |
African–American | 28.2 |
Hispanic | 14.9 |
Asian | 0.9 |
American Indian | 0.2 |
Other or unspecified | 3.8 |
Diagnoses (%) | |
Knee degenerative joint disease | 25.3 |
Mechanical low back pain | 21.6 |
Lumbar disc disease | 19.9 |
Sacroiliitis | 8.4 |
Shoulder tendonitis | 5.0 |
Thoracic disc disease | 2.0 |
Hip degenerative joint disease | 1.9 |
Shoulder adhesive capsulitis | 1.1 |