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Table 1 Basic characteristic of the study population (N = 40)

From: A prospective investigation into the association between the gut microbiome composition and cognitive performance among healthy young adults

  N  
Sex, femalesa 40 26 (65)
Age, yearsb 40 26 (22, 30)
Birth weightb 40 3480 (3215, 3665)
Body mass index, kg/m2b 40 23.43 (21.08, 25.06)
Physical activity, MET-hour/weekb 40 33.14 (21.72, 51.12)
Energy intake, kcal/dayb 40 1551.3 (1418.96, 1746.72)
Carbohydrate intake, g/dayb 40 198.62 (173.97, 230.34)
Fiber intake, g/dayb 40 14.69 (13.10, 16.63)
Protein intake, g/dayb 40 51.02 (46.87, 56.87)
Fat intake, g/dayb 40 61.17 (55.61, 67.5)
Alcohol consumption, g/dayb 40 0.39 (0.21, 1.1)
Smoking status, current smokersa 37 6 (16)
Education, ≥ 12 years of educationa 40 22 (55)
Antibiotics intakea 33 13 (39)
Probiotics intakea 33 17 (52)
Time between fecal sampling microbiome and
cognition assessment, daysb
40 166 (130, 194.5)
Shannon alpha diversity indexb 40 6.1 (5.86, 6.3)
Fluid intelligence scoreb 40 110 (100, 119)
  1. an(%)
  2. bMedian (25th, 75th percentile)
  3. n = count, % = percentage