Table 4.
Positive (Intervention) Group |
Neutral (Control) Group |
Group × Time Interaction |
||||||||
---|---|---|---|---|---|---|---|---|---|---|
WOMAC Outcomes | Baseline (N = 21) | 1-mo (N = 16) | 3-mo (N = 17) | 6-mo (N = 16) | Baseline (N = 21) | 1-mo (N = 18) | 3-mo (N = 18) | 6-mo (N = 17) | Chi-square | P |
Total | ||||||||||
Mean (SD) | 52.4 (13.1) | 38.2 (10.5) | 41.5 (17.1) | 39.8 (15.6) | 50.4 (17.4) | 49.3 (15.0) | 50.1 (10.9) | 48.6 (11.8) | 9.83 | 0.02 |
Δ from baseline | –14.2 | –10.9 | –12.6 | –1.1 | –0.3 | –1.8 | ||||
Pain | ||||||||||
Mean (SD) | 51.4 (15.5) | 39.1 (12.3) | 40.6 (17.8) | 37.2 (14.7) | 51.4 (18.0) | 53.3 (13.4) | 50.6 (10.8) | 46.8 (13.6) | 6.65 | 0.08 |
Δ from baseline | –12.3 | –10.8 | –14.2 | 1.9 | –0.8 | –4.6 | ||||
Stiffness | ||||||||||
Mean (SD) | 56.5 (17.5) | 40.6 (22.1) | 47.8 (22.2) | 43.8 (19.9) | 57.7 (18.7) | 52.8 (18.5) | 55.6 (14.4) | 50.7 (20.9) | 2.99 | 0.39 |
Δ from baseline | –15.9 | –8.7 | –12.7 | –4.9 | –2.1 | –7.0 | ||||
Physical function | ||||||||||
Mean (SD) | 52.2 (13.8) | 37.6 (11.7) | 41.1 (16.9) | 40.1 (16.5) | 49.3 (18.3) | 47.7 (16.4) | 49.3 (12.1) | 49.0 (12.0) | 9.74 | 0.02 |
Δ from baseline | –14.6 | –11.1 | –12.1 | –1.6 | 0.0 | –0.3 |