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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 6.1 Sleep efficiency: Pittsburgh Sleep Quality Index (component score) – immediately postintervention | 3 | 197 | Mean Difference (IV, Random, 95% CI) | ‐0.96 [‐1.38, ‐0.54] |
