Table 2.

The association between headache frequency and the relative abundance of microbiota.^*

Genus	Beta	Standard error	P-value
Roseburia	− 0.189	0.126	0.125
Eubacterium_g4	− 0.152	0.468	0.744
Agathobacter	− 0.076	0.050	0.128
PAC000195_g	− 0.509	0.248	0.040
Catenibacterium	− 0.007	0.013	0.050

*Poisson regression analyses at the genus level. Changes in headache frequency per month according to 1% increase in the composition of microbiota.