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Meta-analytic estimates for differences in mean scores of symptom measure scales between high-exposure and low-exposure work calculated as standardised mean difference (SMD) with study heterogeneity (I2)
| SMD | SMD 95% CI | Studies | Total N | I2 (%) | |
|---|---|---|---|---|---|
| Anxiety | 0.16 | 0.02–0.31 | 11 | 6493 | 79 |
| PTSD symptoms | 0.20 | 0.01–0.40 | 11 | 5122 | 87 |
| Depression | 0.13 | − 0.04–0.31 | 8 | 4022 | 81 |
