All p-values presented are 2-tailed, with p<0.05 considered statistically significant and p<0.10 marginally significant, before correction for multiple testing.
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Serum nutritional biomarkers and their associations with sleep among US adults in recent national surveys.
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For the sleep measures, statistical significance criterion for p-values and p-values for trend were reduced to p = 0.05/5 = 0.010 (marginal significance: p = 0.10/5 = 0.020).