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Metaregression of synchronous and asynchronous dietary interventions on behavior change outcome, analyzed using standardized effect size.
| Standardized effect size | Coefficient | 95% CI | P value |
| Asynchronous | −0.44 | −2.18 to 1.29 | .52 |
| Constant | 0.60 | −0.17 to 1.36 | .10 |
