Family and social predictors of substance use disorder in Iran: a case-control study.

Subst Abuse Treat Prev Policy · 2019 · PMC6501311 · PMID 31060577

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

In addition to the above family and social factors, previous studies suggested that smoking has a highly significant association with substance use [ 12 , 19 ].

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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.