Smoking is associated with an increased risk of dementia: a meta-analysis of prospective cohort studies with investigation of potential effect modifiers.

PLoS One · 2015 · PMC4357455 · PMID 25763939

Europe PMC DOI

hedged sentence

0.0100

closest p · 0.2× alpha

0.0100

boldest claim

The sentences

of marginal significancep <0.01actually significant

However, the increased risk of AD was of marginal significance (n = 22 studies; RR 1.12, 95% CI 1.00–1.26), with moderate heterogeneity (I 2 = 55.9%; p <0.01). 6.

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