Table 1.

Gut Microbial Phyla Descriptives (N=37)

Microbial Phylum	Proportion of Total Bacteria				PSQI rs	Stroop Word rs	Stroop Color rs	Stroop Color-Word rs
	Minimum	Mean	Median	Maximum
Euryachaeota	0	2.41 x 10−4	0	3.53 x 10−3	.04	−.23	−.13	−.02
Actinobacteria	9.95 x 10−2	9.06 x 10−3	4.55 x 10−3	5.43 x 10−2	−.18	.27	.37*	−.02
Bacteriodetes	4.76	3.16 x 10−1	3.02 x 10−1	6.36 x 10−1	.08	−.20	−.31	−.33*
Chloroflexi	0	1.47 x 10−6	0	5.45 x 10−5	−.09	.27	.15	.07
Cyanobacteria	0	1.84 x 10−3	0	2.13 x 10−2	−.20	.32	−.10	.14
Elusimicrobia	0	1.66 x 10−4	0	6.13 x 10−3	.08	−.21	−.20	.02
Firmicutes	1.53 x 10−1	5.99 x 10−1	6.11 x 10−1	9.18 x 10−1	.10	.05	.19	.21
Fusobacteria	0	1.36 x 10−4	0	4.26 x 10−3	.20	−.16	−.24	−.08
Lentisphaerae	0	6.21 x 10−5	0	7.44 x 10−4	−.37*	.11	.02	.35*
Proteobacteria	8.41 x 10−4	4.19 x 10−2	1.78 x 10−2	4.03 x 10−1	.11	−.14	−.11	−.13
Spirochaetes	0	7.35 x 10−7	0	2.72 x 10−5	−.09	.27	.15	.07
Synergistetes	0	6.25 x 10−5	0	1.83 x 10−3	−.17	.08	.08	.15
TM7	0	1.23 x 10−5	0	1.01 x 10−4	−.14	.02	−.002	−.02
Tenericutes	0	9.26 x 10−4	0	1.03 x 10−2	−.21	.002	−.03	.20
Verrucomicrobia	0	3.10 x 10−2	6.81 x 10−3	4.03 x 10−1	−.52**	.37	.34*	.29
Thermi	0	2.20 x 10−6	0	3.38 x 10−5	.06	.007	.26	−.16

Note:

^*: p<.05,

^**: p<.01.

PSQI=Pittsburgh Sleep Quality Index.