Table 2.
Pre- and Postintervention Score Differences with Effect Sizes
| Measure | Pre-yoga mean (SD) | Post-yoga mean (SD) | % Difference | T-test (df = 3) | Effect size (Cohen's d) |
|---|---|---|---|---|---|
| FACIT-Fatigue | 26.75 (5.32) | 39.25 (5.80) | 46.73 | −3.81a | −1.91 |
| Vitality SF-36 | 31.25 (4.79) | 47.50 (11.90) | 52.0 | −2.93b | −1.73 |
| FSI impaired social functioning | 5.25 (2.63) | 1.0 (0.82) | −80.95 | 4.12a | 3.71 |
| MFSI general | 15.75 (0.96) | 8.75 (2.63) | −44.44 | 3.93a | 2.0 |
| Physical | 8.25 (6.13) | 6.25 (6.24) | −24.24 | 2.45b | 1.32 |
| Emotional | 10.25 (4.03) | 5.0 (2.94) | −51.22 | 10.67a | 1.61 |
| Mental | 10.75 (0.96) | 9.25 (4.27) | −13.95 | 0.67 | 0.38 |
| BSI-18 anxiety | 6.0 (4.08) | 3.3 (2.62) | −45.0 | 1.18 | 0.60 |
| Depression | 4.25 (4.57) | 2.5 (1.73) | −41.18 | 1.21 | 3.93 |
| Somatization | 6.25 (1.26) | 2.5 (1.91) | −60.0 | 5.96a | 3.42 |
| PSQI sleep quality | 1.5 (1.0) | 1.75 (0.96) | 16.67 | −1.0 | −0.50 |
a
p < 0.05.
b
p < 0.10.
BSI, Brief Symptom Inventory; FACIT, Functional Assessment of Chronic Illness Therapy; MFSI, Multidimensional Fatigue Symptom Inventory; PSQI, Pittsburgh Sleep Quality Index; SF, Short Form.