The effectiveness of an online support group for members of the community with depression: a randomised controlled trial.

PLoS One · 2012 · PMC3532446 · PMID 23285271

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failed to achieve significanceno p-value reported

Thus, although the NNT for the ISG alone condition appeared to decline across measurement occasions, falling to 5.4 at 12 months, the indices failed to achieve significance.

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