Table 2.
Demographic and clinical mean (SD) characteristics of the study participants at baseline
| Overall N = 454 |
D-only N = 152 |
E-only N = 150 |
D+E N = 152 |
|||||
|---|---|---|---|---|---|---|---|---|
| Age (years) | 66.0 | (6.0) | 65.8 | (6.2) | 65.5 | (6.4) | 65.4 | (6.0) |
| Female n (%) | 325.0 | (72.0) | 108.0 | (71.0) | 108.0 | (72.0) | 109.0 | (72.0) |
| Non-Whites n (%) | 85.0 | (19.0) | 25.0 | (16.0) | 30.0 | (20.0) | 30.0 | (20.0) |
| BMI (kg/m2) | 33.6 | (3.7) | 33.7 | (3.8) | 33.5 | (3.7) | 33.6 | (3.7) |
| WOMAC function (0–68) | 24.2 | (10.9) | 24.8 | (10.4) | 23.1 | (10.3) | 24.6 | (11.7) |
| WOMAC pain (0–20) | 6.5 | (3.1) | 6.6 | (3.0) | 6.1 | (2.9) | 6.7 | (3.4) |
| Balance efficacy (0–100) | 78.1 | (18.5) | 76.1 | (19.5) | 80.5 | (16.6) | 77.7 | (19.1) |
| Duration efficacy (0–100) | 51.9 | (28.8) | 52.7 | (28.4) | 56.3 | (28.5) | 46.7 | (28.8) |
| Gait efficacy (0–100) | 77.1 | (22.4) | 74.7 | (22.9) | 79.4 | (21.0) | 77.3 | (23.0) |
| PASE | 114.2 | (52.3) | 115.3 | (53.2) | 110.8 | (47.7) | 116.6 | (55.8) |
| Six-min walk distance (meters) | 473.8 | (86.7) | 475.4 | (81.7) | 479.7 | (89.9) | 466.5 | (85.4) |
PASE Physical Activity Scale for the Elderly; WOMAC Western Ontario McMasters Universities Osteoarthritis Index.