Validation of the food frequency questionnaire for the assessment of dietary vitamin D intake.

Front Nutr · 2022 · PMC9537601 · PMID 36211494

Europe PMC DOI

hedged sentence

0.0010

closest p · 0.0× alpha

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boldest claim

The sentences

highly significantp < 0.001actually significant

For reproducibility, the correlation between the sqFFQ/SI1 and sqFFQ/SI2 was highly significant ( p < 0.001), with a good correlation coefficient of 0.689 and a Bland–Altman index of 3.7%.

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