Variable | Week 0, n = 55 | Week 8, n = 40 | Mean Difference (95% CI) | 9 Mos, n = 37 | Mean Difference From Baseline (95% CI) |
---|---|---|---|---|---|
SF-36 PCS | 34.8 ± 10.4 | 42.9 ± 9.1 | 7.4 (4.4–10.4) | 42.5 ± 10.5 | 5.3 (2.8–7.9) |
Fitness | |||||
Sit and reach, cm | −3.9 ± 4.1 | −2.2 ± 6.5 | 2.3 (0.7–3.9) | 1.7± 4.9 | 5.6 (2.9–8.3) |
One-leg stance, s | 22.6 ± 10.1 | 23.5 ± 10.0 | 0.9 (−1.5–3.3) | 25.9 ± 7.5 | 1.0 (−1.7–3.7) |
Hand grip, kg | 25.1 ± 8.7 | 25.5 ± 9.5 | 0.2 (−1.2–1.5) | 26.0 ± 9.7 | 0.2 (−2.0–2.3) |
6-min walk, m | 1468 ± 314 | 1566 ± 275 | 77 (5–150) | 1588 ± 252 | 115 (5–225) |
Psychological function | |||||
SF-36 MCS | 52.0 ± 12.3 | 55.8 ± 8.0 | 3.3 (0.2–6.4) | 54.0 ± 10.1 | 0.8 (−2.7–4.4) |
CES-D | 7.5 ± 5.8 | 4.4 ± 3.8 | −2.6 (−4.2 – −1.0) | 5.0 ± 4.5 | −1.9 (−3.1–0.7) |
Positive affect | 21.2 ± 7.7 | 27.9 ± 7.1 | 5.7 (3.1, 8.3) | 27.2 ± 4.8 | 5.0 (2.3–7.7) |
Negative affect | 5.9 ± 5.1 | 4.4 ± 4.8 | −2.2 (−3.8 – −0.6) | 4.7 ± 5.4 | −1.9 (−3.4 – −0.3) |
Perceived stress | 15.4 ± 4.4 | 12.0 ± 4.8 | −3.0 (−5.3 – −0.7) | 12.2 ± 3.5 | −4.2 (−6.7 – −1.7) |
Self-efficacy | 58.9 ± 13.4 | 66.8 ± 12.3 | 4.8 (3.6–9.3) | 65.1 ± 13.3 | 2.3 (−2.5–7.1) |
SF-36 | |||||
Physical function | 54.4 ± 23.2 | 67.1 ± 23.9 | 10.3 (4.2–16.3) | 66.3 ± 22.0 | 7.5 (1.1–13.9) |
Role physical | 36.4 ± 39.3 | 76.3 ± 34.9 | 38.1 (24.5–51.8) | 72.8 ± 38.6 | 27.9 (14.9–41.0) |
Pain | 50.5 ± 19.5 | 63.3 ± 17.2 | 11.9 (5.5–18.2) | 61.8 ± 19.5 | 7.0 (0.5–13.5) |
General health | 56.7 ± 21.6 | 67.6 ± 17.9 | 8.3 (4.2–12.3) | 65.5 ± 18.4 | 4.1 (−0.4–8.6) |
Vitality | 49.4 ± 19.4 | 64.2 ± 18.1 | 12.6 (7.0–18.2) | 60.3 ± 18.7 | 6.5 (0.9–12.0) |
Social function | 71.6 ± 27.8 | 85.9 ± 19.6 | 12.5 (4.0–21.0) | 84.2 ± 21.6 | 5.5 (−3.6–14.6) |
Role emotional | 74.5 ± 38.5 | 86.7 ± 29.0 | 10.0 (−2.6–22.6) | 81.4 ± 34.0 | 3.9 (−8.8–16.7) |
Mental health | 73.9 ± 19.7 | 82.2 ± 14.7 | 8.3 (3.5–13.1) | 79.4 ± 16.1 | 4.0 (−1.5–9.5) |
Values significantly different (p < 0.05) from baseline are shown in bold face. HRQOL: health-related quality of life; SF-36: Medical Outcomes Study Short Form-36; PCS: physical component summary; MCS: mental component summary; CES-D: Center for Epidemiologic Studies–Depression Scale.