Table 1.

Study participants characteristics included in metagenomic shotgun sequencing.

Characteristics	Omnivore	Pescatarian	Vegetarian	Vegan
Participants, n = 149	50	33	34	32
Age in years, median (10th–90th percentile)	47 (29–59)	51 (29–62)	45 (28–62)	37 (29–56)
Male participants,(percentage)	16 (32%)	12 (36%)	11 (32%)	11 (34%)
Participants with pets, (percentage)	28 (56%)	16 (48%)	18 (53%)	18 (56%)
Participants using medication*, (percentage)	15 (30%)	15 (45%)	7 (21%)	8 (25%)

*Medication other than antibiotics, proton pump inhibitors, insulin and cancer treatment.