Table 2.

Mixed Effect Models Predicting Change in Log Base 10 Relative Abundance of Each Phylum with D2T Score, Dentition, Smoking Household, and Urban Water.

Phyla Mixed Effects Models (n=173 saliva specimens)
	Firmicutes	Bacteroidetes	Proteobacteria	Actinobacteria	Fusobacteria	TM7	Other	Spirochaetes
Phyla relative abundance (%)	36%	26%	24%	11%	3%	0.5%	0.2%	0.1%
Random Effects	Variance
Family	0.007	0.015	0.025	0.010	0.007	0.029	0.022	0.005
Residual	0.048	0.074	0.086	0.084	0.116	0.157	0.072	0.164
Fixed Effects	Estimate(p-value)
Age 7-17	−.053 (0.27)	0.085 (0.17)	−0.119 (.007)	0.050 (.43)	−0.079 (0.29)	0.236 (0.008)	0.125 (.04)	0.089 (0.31)
Adult	.074(0.08)	0.193 (0.000)	−0.331 (<<0.001)	0.353 (<<0.001)	−0.057 (0.376)	0.6518 (0.000)	0.377 (<<.001)	0.729 (0.000)
Household Smoking	.0008(0.96)	0.0530 (0.24)	0.095(.05)	−0.015 (.73)	0.103 (0.06)	0.015 (0.80)	−0.043 (.34)	0.153 (0.017)
Active decay (D2T>0)	.000006 (0.98)	0.005 (0.57)	−0.001 (.88)	0.001 (.86)	0.002 (0.84)	0.010 (0.34)	−0.010 (.21)	0.013 (0.25)