Table 2 Descriptive statistics for key study variables

From: Childhood gut microbiome is linked to internalizing symptoms at school age via the functional connectome

Measurea

Analytic sample (N = 55)

Participants excluded in fMRI QC (N = 55)

Significant difference between the analytic and excluded samples

Internalizing symptoms (raw scores)

5.44 (4.65); 0–19

6.09 (6.24); 0–29

No

 Clinical symptom levels (T-score > 63)

6 (11%)

7 (13%)

 

 Borderline symptom levels (T-score: 60–63)

3 (5%)

5 (9%)

 

 Not clinically significant symptom levels (T-score <60)

46 (84%)

43 (78%)

 

Anxiety symptoms (raw scores)

2.25 (1.85); 0–7

2.47 (2.32); 0–9

No

Depressive symptoms (raw scores)

1.42 (1.58); 0–9

1.71 (2.57); 0–14

No

Externalizing symptoms (raw scores)

5.69 (5.28); 0–24

6.35 (6.08); 0–30

No

 Clinical symptom levels (T-score >63)

3 (5%)

4 (7%)

 

 Borderline symptom levels (T-score: 60–63)

3 (5%)

6 (11%)

 

 Not clinically significant symptom levels (T-score <60)

49 (90%)

45 (82%)

 

Alpha diversity

   

 Shannon Index

3.26 (0.77); 1.57–5.14

3.25 (0.67); 0.80–4.48

No

 Observed Features

81.44 (24.50); 48–173

76.04 (19.43); 38–141

No

 Pielou Evenness

0.51 (0.10); 0.28–0.69

0.52 (0.09); 0.14–0.64

No

 Faith’s phylogenetic diversity

5.73 (1.76); 3.24–12.65

5.45 (1.82); 2.94–13.39

No

  1. aMean (SD); Range for continuous variables and N (%) for categorical variables.