Association between vitamin D supplement use and cognitive functioning: a longitudinal cohort study.

BMJ Open · 2026 · PMC12829399 · PMID 41571412

Europe PMC DOI

hedged sentence

0.0610

closest p · 1.2× alpha

0.0610

boldest claim

The sentences

showed a trendp = 0.061so close (0.05 < p ≤ 0.1)

When compared with non-vitamin D and non-multivitamin users (n=1576), the vitamin D supplement users showed a trend towards accelerated global cognitive decline (difference: −0.044 points/year; 95% CI −0.091 to 0.002, p = 0.061), though this trend is not statistically significant ( online supplemental table S5 ).

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