Table 1.
Effect size analysis of RCT studies examining the efficacy of MBIs
| k | Number of effect sizes | Total n | Intervention effects | z | p | Heterogeneity | Publication bias (Eggers) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean effect size (d) | SE | 95% CI | Q value | p | I 2 (%) | t | p | ||||||
| All measures | 33 | 239 | 3,666 | 0.19 | 0.02 | [.14 to .23] | 8.65 | <.01 | 790.07 | <.01 | 69.75 | 4.37 | <.01 |
| Mindfulness | 11 | 27 | 1,475 | 0.24 | 0.12 | [.01 to .46] | 2.06 | .04 | 42.28 | <.01 | 76.35 | 0.49 | .64 |
| Social behaviour | 10 | 25 | 1,247 | 0.16 | 0.11 | [−.05 to .37] | 1.53 | .13 | 30.95 | <.01 | 67.69 | 0.83 | .43 |
| Negative behaviour | 11 | 20 | 970 | 0.27 | 0.10 | [.07 to .47] | 2.60 | <.01 | 21.00 | .02 | 52.38 | 2.62 | <.05 |
| Depression | 13 | 20 | 1,529 | 0.27 | 0.11 | [.06 to .49] | 2.53 | <.01 | 44.36 | <.01 | 72.95 | 2.85 | <.05 |
| Anxiety/Stress | 20 | 41 | 2,319 | 0.16 | 0.06 | [.04 to .27] | 2.59 | .01 | 40.21 | <.01 | 47.78 | 2.19 | <.05 |
| Executive functions | 15 | 25 | 1,691 | 0.30 | 0.09 | [.12 to .49] | 3.28 | <.01 | 47.86 | <.01 | 68.66 | 1.09 | .30 |
| Attention | 8 | 8 | 1,158 | 0.19 | 0.08 | [.04 to .34] | 2.44 | .02 | 10.78 | .15 | 35.05 | 0.82 | .42 |