Table 2.
Univariable and multivariable permutational analysis of variance using Bray–Curtis dissimilarity matrices
| 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 | ||
Multivariable model chosen by forward stepwise regression
aNot included as highly collinear with ethnicity
NA not applicable