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Table 2 Correlations and comparison of mean values of diversity indices by participants’ characteristics

From: Breastfeeding may have a long-term effect on oral microbiota: results from the Fin-HIT cohort

  Shannon Inverse Simpson
Continuous variables r P- value r P- value
Adolescent’s age 0.015 0.763 −0.003 0.949
Adolescent’s body mass index −0.047 0.344 −0.037 0.456
Categorical variables Mean (SD) P- value Mean (SD) P- value
Adolescent’s gender
 Male 2.9 (0.3) 0.338 10.2 (3.0) 0.412
 Female 2.9 (0.3) 9.9 (3.2)
Type of delivery
 Vaginal 2.9 (0.3) 0.579 10.1 (3.1) 0.579
 C-section 2.9 (0.3) 9.9 (3.0)
Parent’s language
 Finnish 2.9 (0.3) 0.776 10.0 (3.1) 0.802
 Swedish 2.9 (0.2) 10.2 (3.0)
 Other 3.0 (0.4) 10.9 (4.1)
Parent’s education
 High school/ technical level 2.9 (0.3) 0.544 9.8 (3.0) 0.190
 University degree 2.9 (0.3) 10.2 (3.2)
Sequence reads
 Low 2.8 (0.2)   9.3 (2.1)  
 Medium 2.9 (0.3) 0.274 10.0 (2.9) 0.360
 High 2.9 (0.4)   10.3 (3.4)