Result of school-based intervention on cardiovascular risk factors.

Scand J Prim Health Care · 2014 · PMC4278391 · PMID 25424464

Europe PMC DOI

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a positive trendno p-value reported

This could be one of the reasons why a positive trend was seen on age-related increase in BP in the intervention group compared with the control group.

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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.