Table 1:
Subject Characteristics (descriptive).
| Total (N=1044) |
|
|---|---|
| Age (years) | |
| N | 1044 |
| Mean (SD) | 56.9 (8.32) |
| Median | 55.0 |
| Range | 45.0 – 79.0 |
| BMI (kg/m2) | |
| N | 1044 |
| Mean (SD) | 27.8 (4.38) |
| Median | 27.4 |
| Range | 16.9 – 42.4 |
| Sex, n (%) | |
| Male | 457 (43.8%) |
| Female | 587 (56.2%) |
| Race, n (%) | |
| Other Non-white | 18 (1.7%) |
| White or Caucasian | 823 (78.9%) |
| Black or African American | 195 (18.7%) |
| Asian | 7 (0.7%) |
| Missing | 1 |
| KL grade right knee, n (%) | |
| 0 | 704 (67.4%) |
| 1 | 340 (32.6%) |
| WOMAC* pain score (right knee) | |
| N | 1044 |
| Mean (SD) | 1.8 (2.86) |
| Median | 0.0 |
| Range | 0.0 – 16.0 |
| PASE score | |
| N | 1039 |
| Mean (SD) | 175.1 (87.05) |
| Median | 167.0 |
| Range | 5.0 – 526.0 |
*
WOMAC: The Western Ontario and McMaster Universities Arthritis Index;
PASE: physical activity scale for the elderly