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Table 3 Subgroup analysis based on ethnicity. Permutational analysis of variance using Bray-Curtis dissimilarity matrices

From: Ethnic and diet-related differences in the healthy infant microbiome

Predictor variable Univariable   Multivariable  
F-Model R2 Pr(>F) F-Model R2 Pr(>F)
White Caucasians
 Breastfeeding 6.52 0.038 0.001 4.18 0.03 0.001
 Time since weaning 2.81 0.020 0.007 NA   
 Age at time of sample collection 2.89 0.017 0.007 2.5 0.015 0.02
 Delivery mode 0.98 0.012 0.48 NA   
 Antibiotics during pregnancy 0.52 0.003 0.86 NA  
 Antibiotics during labor 2.45 0.016 0.03 NA  
 Vegetarian status 2.33 0.013 0.02 NA  
 Gestational diabetes 0.85 0.005 0.52 NA  
 Time of introduction of solid food 1.12 0.023 0.32 NA  
 Formula at collection 1.23 0.009 0.26 NA  
 Formula in the first year 2.51 0.016 0.01 NA  
 Cow’s milk in the first year 1.29 0.01 0.23 NA  
 Weight gain in the first year 2.23 0.014 0.04 2.8 0.017 0.01
 Birth weight 0.35 0.002 0.95 NA   
South Asians
 Breastfeeding 8.79 0.047 0.001 8.88 0.047 0.001
 Age at time of collection 3.75 0.020 0.003 2.84 0.015 0.008
 Time since weaning 5.23 0.030 0.001 NA   
 Delivery mode 1.10 0.012 0.34 NA  
 Antibiotics during pregnancy 0.52 0.003 0.85 NA  
 Antibiotics during labor 2.45 0.016 0.02 NA  
 Vegetarian status 1.32 0.007 0.22 NA  
 Gestational diabetes 0.48 0.003 0.88 NA  
 Years lived in Canada 0.92 0.005 0.46 NA  
 Time of introduction of solid food 1.35 0.022 0.14 NA  
 Formula at collection 2.07 0.015 0.05 NA  
 Formula in the first year 1.95 0.01 0.06 NA  
 Cow’s milk in the first year 2.24 0.012 0.04 NA  
 Weight gain in the first year 1.40 0.008 0.19 NA  
 Birth weight 1.27 0.007 0.24 NA  
  1. Permutational analysis of variance using Bray-Curtis dissimilarity matrices
  2. NA not applicable