Internet-delivered psychological treatments for mood and anxiety disorders: a systematic review of their efficacy, safety, and cost-effectiveness.

PLoS One · 2014 · PMC4028301 · PMID 24844847

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did not reach statistical significanceno p-value reported

However, when restricting the analysis to the trials with low risk of bias, the estimate indicated only a small effect of exercise that did not reach statistical significance.

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