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Table 4 Compositional differences by deseasonalized maternal vitamin D, overall and by race

From: Maternal and cord blood vitamin D level and the infant gut microbiota in a birth cohort study

  1-Month 6-Month
Unweighted UniFrac Weighted UniFrac Unweighted UniFrac Weighted UniFrac
p-value R2 p-value R2 p-value R2 p-value R2
Prenatal Vitamin D
 Overall (unadjusted) < 0.001 0.013 0.042 0.008 0.001 0.009 0.490 0.003
 Overall (adjusted for race)a 0.029 0.006 0.030 0.011 0.212 0.005 0.719 0.002
 Black 0.001 0.014 0.006 0.023 0.037 0.011 0.973 0.001
 White 0.903 0.008 0.375 0.012 0.609 0.01 0.614 0.008
 Interaction p-value 0.157 0.089 0.144 0.871
Cord Vitamin D
 Overall (unadjusted) 0.001 0.009 0.097 0.007 0.001 0.01 0.690 0.003
 Overall (adjusted for race)a 0.028 0.007 0.044 0.011 0.234 0.006 0.938 0.001
 Black 0.006 0.014 0.053 0.016 0.032 0.013 0.697 0.005
 White 0.782 0.011 0.442 0.013 0.956 0.010 0.805 0.007
 Interaction p-value 0.292 0.516 0.350 0.527
  1. aRestricted to Black or White only, so reduced sample size compared to unadjusted