Knowledge and periconceptional use of folic acid for the prevention of neural tube defects in ethnic communities in the United Kingdom: systematic review and meta-analysis.

Birth Defects Res A Clin Mol Teratol · 2013 · PMC3798113 · PMID 23873812

Europe PMC DOI

hedged sentence

0.0490

closest p · 1.0× alpha

0.0490

boldest claim

The sentences

of borderline significancep = 0.049actually significant

A random effects model was appropriately chosen (between study variation is allowed) as the analysis showed evidence of heterogeneity across studies that was of borderline significance ( p = 0.049).

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