Table 3. Associations (P-values) between demographic and health behavior-related factors and α-diversity measures in the MWRP.

	Age	Sex	BMI	Race	Tobacco	Alcohol
Observed OTUs	0.463	0.062	0.017	0.013	0.381	0.040
Shannon index	0.115	0.381	0.684	0.425	0.350	0.138

Abbreviations:

BMI, body mass index; OTU, operational taxonomic unit.