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Summary of moderator variables for the meta-regression analysis of the effect of fluid volume on the magnitude of the weighted mean treatment effect
| Covariate | Coefficient (95% CI) | p value | R 2 |
|---|---|---|---|
| Fluid volume | 0.002 (−0.006, 0.009) | 0.625 | 0.91 |
| Temperature | 0.025 (0.015, 0.036) | <0.001 | |
| Exercise duration | 0.011 (−0.001, 0.023) | 0.071 | |
| Ecological validity | 0.218 (−0.124, 0.561) | 0.188 | |
| Level of dehydration | 0.013 (−0.126, 0.151) | 0.845 |
