Table 2.

Frequencies of bacterial taxa overrepresented within each population group

Characteristic	Traditional rural	Urban
Traditional rural
Phascolarctobacterium	0.151	<0.0001
Ruminococcaceae	0.002	<0.0001
Coprococcus	0.002	<0.0001
Urban
Bifidobacterium	0.025	0.147
Streptococcus	0.027	0.069
Actinomyces	<0.0001	<0.0001