Table 1 shows various demographic factors broken down by disease vs no disease. But since they're making claims about bilingualism vs no bilingualism, we also

Table 1 shows various demographic factors broken down by disease vs no disease. But since they're making claims about bilingualism vs no bilingualism, we also need to see a "Table 1" equivalent for those two categories, so we can understand at a glance which confounders are correlated with these values. Secondarily, it's a bit concerning (for their hypothesis) that bilingualism is associated with less mild cognitive impairment but not with the more severe dementia phenotype.