Table 2.
VPI scores for yoga and control groups—comparison of means (paired samples test)
| Before Means±SD Y | After Means±SD Y | P value | Effect Size | Before Means±SD PE | After Means±SD PE | P value | Effect Size | |
|---|---|---|---|---|---|---|---|---|
| Tamas | 3.12 ± 0.51 | 2.97 ± 0.91 | 0.095 | 0.18 | 3.24 ± 0.67 | 2.99 ± 0.69 | 0.001 | 0.36 |
| Rajas | 3.83 ± 0.62 | 3.72 ± 0.51 | 0.12 | 0.17 | 3.67 ± 0.62 | 3.43 ± 0.79 | 0.002* | 0.33 |
| Sattva | 4.88 ± 0.52 | 5.26 ± 0.51 | <0.001 | 0.61 | 4.91 ± 0.53 | 5.21 ± 0.65 | <0.001 | 0.45 |
*
Rajas showed a significant difference between the groups (P = 0.005) (Independent Samples Test); (Effect size = difference in means (after–before)/SD of the difference scores)