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Table 1 Basic data of all study groups and medication in the ADHD groups

From: Attachment, recalled parental rearing, and ADHD symptoms predict emotion processing and alexithymia in adults with ADHD

  ADHD-combined type ADHD-predominantly inattentive type Healthy controls Chi-square/F/p
Gender (m/f) 13/13 14/12 14/12 –/–/0.951b
Age (years) 39.1 ± 9.6 38.9 ± 10.6 25.8 ± 3.1 –/21.3/0.000c
Educationa 3.3 ± 1.1 3.1 ± 1.1 4.3 ± 0.5 –/12.4/0.000c
Methylphenidate alone 11 6 2.185/–/0.139d
Antidepressant alone 4 8 1.733/–/0.188d
Methylphenidate plus antidepressant 4 6 0.495/–/0.482d
No medication 7 6 0.103/–/0.749d
Axis-I comorbidity 1.5 ± 1.1 1.6 ± 1.2 –/–/0.716e
Axis-II comorbidity 1.5 ± 1.2 1.8 ± 1.2 –/–/0.350e
  1. aEducation: 2 = secondary school level; 3 = training qualification; 4 = higher education entrance qualification; 5 = university degree
  2. bKruskal–Wallis test
  3. cANOVA
  4. dChi square
  5. e t test