Association of behaviour change techniques with effectiveness of dietary interventions among adults of retirement age: a systematic review and meta-analysis of randomised controlled trials.

BMC Med · 2014 · PMC4198739 · PMID 25288375

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a significant trendno p-value reported

Our results showed a significant trend towards greater improvements in F and V intake with employment of more BCTs per study.

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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.