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Table 2 Univariable and multivariable 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)
Ethnicity 32.61 0.084 0.001 32.21 0.084 0.001
Years in Canada 24.57 0.066 0.001 NAa   
Infant age at time of sample collection 3.79 0.011 0.003 3.75 0.01 0.002
Breastfeeding at 1 year 14.28 0.040 0.001 12.75 0.033 0.001
Time since weaning 5.46 0.018 0.001 NA   
Delivery mode 0.82 0.005 0.64 NA  
Vegetarian status 10.45 0.029 0.001 NA  
Gestational diabetes 1.49 0.004 0.16 NA  
Antibiotics during pregnancy 2.07 0.006 0.04 NA  
Antibiotics during labor 2.56 0.008 0.02 NA  
Time of introduction of solid food 1.80 0.016 0.02 NA  
Birth weight 3.09 0.009 0.006 NA  
Infant weight gain in the first year 5.09 0.014 0.001 3.08 0.008 0.01
Formula at collection 1.05 0.004 0.36 NA   
Formula in the first year 2.35 0.007 0.03 NA  
Cow’s milk in the first year 1.85 0.006 0.06 NA  
  1. Multivariable model chosen by forward stepwise regression
  2. aNot included as highly collinear with ethnicity
  3. NA not applicable