Recent Caffeine Drinking Associates with Cognitive Function in the UK Biobank.

Nutrients · 2020 · PMC7399821 · PMID 32630669

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0.0070

closest p · 0.1× alpha

0.0070

boldest claim

The sentences

nominally significantp = 0.007actually significant

A nominally significant smoking × recent caffeine interaction ( p = 0.007) was observed in non-white participants: recent caffeine intake lengthened RT among past ( p = 0.06) and current ( p = 0.02) smokers but not among never smokers ( p = 0.46) ( Supplementary Table S10 , p = 0.007 for interaction).

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did not reach statistical significanceno p-value reported

Recent caffeine intake (treatment) improved FI (mean change (95% CI): 0.07 (−0.26, 0.40), p = 0.40) and Pairs (−0.02 (−0.07, 0.04, p = 0.34) performance but these changes (treatment effects) did not reach statistical significance.

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