Mean effect sizes and related statistics
| Outcome | Effect size | 95% CI | t | n | k | τ2 | I2 |
| Resilience | 1.03 | −0.36, 2.41 | 1.83 | 7 | 16 | 0.58 | 92.86 |
| Depression | −0.47 | −0.73, −0.22 | −4.38 | 9 | 22 | 0.09 | 57.80 |
| Anxiety | −0.40 | −0.73, −0.06 | −2.75 | 9 | 22 | 0.15 | 70.59 |
| Perceived stress | −1.03 | −2.15, 0.08 | −2.14 | 9 | 32 | 0.95 | 91.29 |
Effect size=standardised mean difference, t=t-value associated with mean effect size, n=number of studies, k=number of effect sizes, τ 2=random effects variance component, I2=percentage of variability due to between-study heterogeneity.