Environmental shaping of the bacterial and fungal community in infant bed dust and correlations with the airway microbiota

Gupta, Shashank; Hjelmsø, Mathis H.; Lehtimäki, Jenni; Li, Xuanji; Mortensen, Martin S.; Russel, Jakob; Trivedi, Urvish; Rasmussen, Morten A.; Stokholm, Jakob; Bisgaard, Hans; Sørensen, Søren J.

doi:10.1186/s40168-020-00895-w

Table 1 The effects of environmental factors on alpha and beta diversity on the bed dust microbiome

From: Environmental shaping of the bacterial and fungal community in infant bed dust and correlations with the airway microbiota

Category	Variable	Overall n (%)	Bacterial Alpha diversity (median richness)	Bacterial Alpha diversity^{^} Adjusted p value	Bacterial Beta diversity^# R²/p value	Fungal Alpha diversity (median richness)	Fungal Alpha diversity^{^} Adjusted p value	Fungal Beta diversity^# R²/p value
	n	577
Sex	Male	301 (52.2)
Income level*	Low	52 (9)	308	0.46	0.004/0.132	228	0.51	0.003/0.417
	Medium	302 (52.3)	285			246
	High	222 (38.5)	274			246
Type of home	House^↑	316 (54.8)	294	0.0089	0.003/0.076	251	0.0016	0.003/0.139
Type of home	Apartment	231 (40)	269	0.0089	0.003/0.076	230	0.0016	0.003/0.139
Type of living environment	Rural^↑	251 (43.5)	298	0.0004	0.008/0.001	246	0.14	0.014/0.001
Type of living environment	Urban	295 (51.1)	266	0.0004	0.008/0.001	242	0.14	0.014/0.001
Pets	Cat	87 (15.1)	292	0.0039	0.007/0.005	255	0.52	0.004/0.468
	Dog	69 (11.9)	294			252
	Both^↑	32 (5.5)	346			247
Season of dust sample collection	Winter (December, January, February)	140 (24.5)	272	0.97	0.01/0.001	233	1.3e−05	0.105/0.001
	Spring^↑ (March, April, May)	115 (20.1)	288			266
	Summer^↑ (June, July, August)	149 (26)	283			262
	Autumn (September, October, November)	168 (29.4)	277			229
Race	Caucasian	552 (95.7)	281	0.12	0.002/0.054	243	0.9	0.001/0.442
Siblings	No	132 (22.87)	265	0.03	0.003/0.026	225	0.0023	0.0023/0.329
Siblings	Yes^↑	329 (57.02)	298	0.03	0.003/0.026	255	0.0023	0.0023/0.329
Siblings	No	132 (22.87)	265	0.049	0.009/0.003	225	0.0093	0.011/0.053
	Male only	140 (24.26)	311 ^↑			258 ^↑
	Female only	121 (20.97)	284			251 ^↑
	Both male and female	68 (11.78)	290			273 ^↑
Number of male siblings	None	132 (22.87)	265	0.0015	0.007/0.33	225	0.0062	0.0003/0.99
	One	114 (19.75)	308			255
	Two or more^↑	26 (4.5)	330			267
Number of female siblings	None	132 (22.87)	265	0.29	0.008/0.33	225	0.11	0.003/0.95
	One	97 (16.81)	274			248
	Two or more	24 (4.16)	321			257

^{^}Alpha diversity were calculated based on observed richness and significance were calculated using the Wilcoxon test (for two groups) and Kruskal-Wallis test (for three or more groups), FDR corrected
^#Effects were quantified with R², and p values, as determined by PERMANOVA on weighted UniFrac distances. Significant adjusted p values (p < 0.05) are shown in bold
^↑The significant increase in alpha diversity of bacterial and/or fungal microbiome
*Income level is categorize into low (< €50,000/year), medium (€50,000–€110,000/year), and high (> €110,000/year)

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ISSN: 2049-2618

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