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Table 1 Characteristics of the ADHD, control and ADHDmed groups of children (means and standard deviations)

From: Attention-deficit hyperactivity disorder (ADHD) and glial integrity: an exploration of associations of cytokines and kynurenine metabolites with symptoms and attention

  ADHD   Control   ADHDmed   
  mean SD mean SD mean SD  
N 21   21   14   
Gender (m/f) 14m, 7f   20 m, 1 f   12 m, 2 f   
Age (y) 8.9** 1.4 11.0** 1.5 12.6 2.1  
IQ 95.8* 10.7 114.1 14.4 106.7 12.4  
Height (cm) 132.1 9.3 147.3 11.6 161.2 17.8  
Weight (kg) 29.2 8.4 39.7 11.7 54.7 19.1  
BMI 16.5*** 2.4 17.9*** 3.1 20.5 4.6  
Allergy (N) 8   11   2   
Allergy (grade) 0.95 1.2 0.76 0.9 0.29 0.7  
SES-birth (M) 4.2 1.6 3.6 0.8 3.7 1.4  
(F) 4.3 1.6 3.3 2 3.7 1.6  
SES-current (M) 4.3 2.3 3.3 1.5 4.4 2  
(F) 4.3 2.2 3.5 2.1 4.1 1.9  
  1. BMI = Body mass index,
  2. SES = socio-economic scale for the mother (M) and father (F) at child birth and currently (scale 1-7)
  3. Allergy = the number of subjects reporting allergic sensitivity and the rated severity (scale 0-3)
  4. * p < 0.05 ** p < 0.02 *** p < 0.005