Estimating intervention effects in a complex multi-level smoking prevention study.

Int J Environ Res Public Health · 2009 · PMC2672347 · PMID 19440394

Europe PMC DOI

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only marginally significantno p-value reported

Results are displayed in column 3 of Table 1 and show only marginally significant treatment effects in years 2 and 3.

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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.