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 | Â | 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 | Â | 0.008,0.035 | 0.003* |