Table 1.

Relative abundance of bacteria at the genus level in breast milk categorized according to the mother’s ethnicity.

	Asian	Māori and Pacific Island	New Zealand European	Benjamini–Hochberg-Adjusted p Value
Actinomyces	0.48 ± 0.47	0.12 ± 0.10	0.46 ± 0.25	0.969
Agrobacterium	1.20 ± 0.95	0.09 ± 0.07	0.85 ± 0.64	0.858
Akkermansia	2.34 ± 1.14	3.01 ± 0.68	1.41 ± 0.29	0.376
Anaerococcus	0.15 ± 0.15	0.11 ± 0.07	0.26 ± 0.14	0.969
Anaerostipes	0	0.10 ± 0.10	0.03 ± 0.03	0.376
Atopobium	0.66 ± 0.65	0.54 ± 0.53	0.19 ± 0.11	0.980
Bacteroidales_S24_7	0.02 ± 0.02	0.12 ± 0.07	0.03 ± 0.01	0.773
Bacteroides	1.63 ± 0.80	3.88 ± 1.04	2.61 ± 0.50	0.748
Barnesiellaceae	0.04 ± 0.03	0.04 ± 0.03	0.05 ± 0.03	0.969
Bifidobacteriaceae	0.01 ± 0.01	0.25 ± 0.20	0.06 ± 0.04	0.969
Bifidobacterium	6.38 ± 2.26	6.08 ± 1.10	7.87 ± 1.01	0.897
Blautia	2.68 ± 0.90	3.97 ± 0.60	2.15 ± 0.27	0.376
Brevundimonas	0.01 ± 0.01	0.15 ± 0.14	0.21 ± 0.20	0.748
Caulobacteraceae	1.12 ± 0.95	0.88 ± 0.69	1.28 ± 0.51	0.531
Christensenella	0	0	0.04 ± 0.04	0.865
Christensenellaceae	0.39 ± 0.37	0.48 ± 0.15	0.21 ± 0.05	0.390
Chryseobacterium	0.06 ± 0.03	2.90 ± 2.81	2.39 ± 1.22	0.969
Clostridiaceae	0.70 ± 0.46	1.24 ± 0.35	0.93 ± 0.17	0.682
Clostridiaceae_Other	0.02 ± 0.02	0.24 ± 0.12	0.15 ± 0.05	0.969
Clostridiales	3.41 ± 1.38	4.38 ± 0.74	2.53 ± 0.36	0.402
Clostridiales_Other	0.89 ± 0.47	0.47 ± 0.11	0.48 ± 0.10	0.782
Clostridium	1.12 ± 0.74	2.00 ± 1.05	0.88 ± 0.25	0.460
Collinsella	0.92 ± 0.35	1.09 ± 0.23	1.23 ± 0.17	0.969
Coprococcus	2.13 ± 0.85	1.89 ± 0.38	1.73 ± 0.28	0.865
Coriobacteriaceae	0.56 ± 0.33	0.57 ± 0.17	0.25 ± 0.07	0.396
Corynebacterium	0.89 ± 0.34	2.92 ± 2.13	4.02 ± 1.20	0.969
Dorea	0.51 ± 0.37	1.00 ± 0.36	0.66 ± 0.26	0.376
Elizabethkingia	16.2 ± 10.6	0.03 ± 0.02	0.02 ± 0.01	0.403
Enterobacteriaceae	0.15 ± 0.15	0.04 ± 0.02	0.20 ± 0.13	0.969
Epulopiscium	0	0	0.02 ± 0.02	0.969
Faecalibacterium	0.52 ± 0.27	1.70 ± 0.28	0.89 ± 0.15	0.376
Finegoldia	0.03 ± 0.03	0.03 ± 0.03	0.16 ± 0.08	0.460
Fusobacterium	0.75 ± 0.45	0.61 ± 0.46	0.49 ± 0.19	0.624
Lachnospira	1.27 ± 0.63	1.45 ± 0.62	0.78 ± 0.17	0.518
Lachnospiraceae	4.71 ± 2.55	6.80 ± 0.93	5.05 ± 0.82	0.461
Lachnospiraceae_Other	0.14 ± 0.05	1.11 ± 0.37	0.29 ± 0.07	0.177
Leucobacter	0	0	0.26 ± 0.23	0.773
Micrococcaceae	0	0.01 ± 0.00	0.04 ± 0.04	0.461
Micrococcus	0.01 ± 0.01	0	0.07 ± 0.05	0.773
Mogibacteriaceae	0.16 ± 0.12	0	0.10 ± 0.07	0.714
Odoribacter	0	0	0.04 ± 0.04	0.461
Oscillospira	0.63 ± 0.46	0.65 ± 0.20	0.56 ± 0.14	0.599
Parabacteroides	0.26 ± 0.17	0.33 ± 0.12	0.29 ± 0.09	0.858
Peptostreptococcus	0.29 ± 0.19	0.04 ± 0.04	0.39 ± 0.14	0.402
Porphyromonas	0.17 ± 0.17	0	0.13 ± 0.09	0.682
Prevotella	0.01 ± 0.01	0.08 ± 0.03	0.27 ± 0.13	0.748
Propionibacterium	6.07 ± 5.15	0.35 ± 0.10	0.27 ± 0.09	0.390
Pseudomonas	0.28 ± 0.16	4.31 ± 3.04	0.96 ± 0.56	0.854
Rikenellaceae	1.92 ± 1.52	6.98 ± 1.92	2.01 ± 0.60	0.710
Roseburia	0.52 ± 0.28	0.56 ± 0.22	0.46 ± 0.12	0.969
Rothia	3.10 ± 1.78	0.83 ± 0.40	1.94 ± 0.76	0.969
Ruminococcaceae	10.7 ± 4.13	17.2 ± 2.05	10.2 ± 1.51	0.390
[Ruminococcus]	1.17 ± 0.80	1.32 ± 0.37	0.83 ± 0.30	0.376
Ruminococcus	2.05 ± 0.84	3.03 ± 0.68	1.49 ± 0.26	0.376
Sphingobium	0.11 ± 0.10	0.10 ± 0.05	0.83 ± 0.43	0.390
Sphingomonas	0.21 ± 0.09	0.41 ± 0.26	0.52 ± 0.15	0.969
Streptophyta	0.22 ± 0.21	0.10 ± 0.06	0.24 ± 0.09	0.748
Unassigned	1.51 ± 0.30	3.62 ± 1.24	2.20 ± 0.47	0.682
Veillonella	0.07 ± 0.05	0.02 ± 0.01	0.27 ± 0.08

Data expressed as the mean ± standard error of the mean. Some taxonomy could not be identified at the genus level. Square brackets around a genus name indicate a candidate genus.