Contextual factors associated with smoking among Brazilian adolescents.

J Epidemiol Community Health · 2012 · PMC3402740 · PMID 21471139

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

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highly significantno p-value reported

Also, a stratified analysis of private and public schools confirm the highly significant and positive association of age and the other school variables with regular smoking in both administrative domains.

also in 132,142 other papers

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.