Extended interactive voice response telephony (IVR) for relapse prevention after smoking cessation using varenicline and IVR: a pilot study.

BMC Public Health · 2013 · PMC3848019 · PMID 24020450

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showed a trendno p-value reported

showed a trend toward improved smoking cessation rates but was not statistically significant.

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did not reach statistical significanceno p-value reported

The study showed a benefit of IVR that did not reach statistical significance.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.