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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Pediatr Int. 2016 Dec 22;59(4):473–481. doi: 10.1111/ped.13168

Table 5.

Unadjusted Associations between Having Siblings in Household and Microbiota Profiles in 83 Infants Aged <6 Months by Feeding Status

Groups and microbiota profiles RRR (95% CI) P-value
Nasal microbiota
 Breast-feeding (n=61)
  Moraxella-dominant profile 21.0 (4.58–96.3) <0.001
  Corynebacterium/Dolosigranulum-dominant profile Reference -
  Mixed profile 1.27 (0.18–8.79) 0.81
 Formula-feeding (n=22)
  Moraxella-dominant profile 5.79 (4.06–8.24) <0.001
  Corynebacterium/Dolosigranulum-dominant profile Reference -
  Mixed profile 7.39 (0.61–89.5) 0.20
Fecal microbiota
 Breast-feeding (n=61)
  Escherichia-dominant profile Reference -
  Bifidobacterium-dominant profile 2.17 (0.57–8.19) 0.25
  Enterobacter-dominant profile 1.60 (0.41–6.21) 0.50
 Formula-feeding (n=22)
  Escherichia-dominant profile Reference -
  Bifidobacterium-dominant profile 2.00 (0.18–22.01) 0.57
  Enterobacter-dominant profile 1.25 (0.12–13.2) 0.85

RRR, relative risk ratio; CI, confidence interval

*

Multivariable-adjustment was not performed given the decreased sample sizes