Table 3.
Mean effect sizes and moderator analyses of yoga in women with sleep problems
| Parameter | Results | Effect Size (Hedges’g) |
95%CI | P |
|---|---|---|---|---|
| Categorical Moderators | ||||
| Outcome measurement tool | ||||
| PSQI | 16 | - 0.369 | −0.559, − 0.178 | 0.002* |
| Others | 3 | 0.031 | − 0.265, 0.328 | |
| Participant | ||||
| Breast cancer group | 8 | −0.148 | −0.304, 0.009 | 0.001* |
| Non-breast cancer group | 11 | −0.522 | −0.821,-0.224 | |
| Participant | ||||
| Peri/postmenopausal | 6 | −0.084 | −0.269, 0.102 | 0.003* |
| Others | 13 | −0.419 | −0.647,-0.191 | |
| Study region | ||||
| American | 13 | −0.123 | −0.240,-0.006 | < 0.001* |
| Others | 6 | −0.844 | −1.114,-0.573 | |
| Random sequence generation | ||||
| High/ unclear risk | 3 | −0.578 | −1.272, 0.116 | 0.001* |
| Low risk | 16 | −0.292 | −0.473,-0.111 | |
| Continuous Moderators | ||||
| Sample size | 19 | 0.000,0.003 | 0.032* | |
| Total length of class time | 19 | −0.021,-0.004 | 0.003* | |
| Study duration | 19 | −0.03,0.087 | 0.20 | |
| Mean age | 17 | 0.008,0.035 | 0.003* | |
*P value <0.05 indicated a significant difference