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Table 1 Demographics and clinical features in a sample of adult ADHD patients with and without a history of criminal conviction. Participants were recruited in an outpatient psychiatric clinic specialized in examination and treatment of ADHD

From: Prevalence of criminal convictions in Norwegian adult ADHD outpatients and associations with ADHD symptom severity and emotional dysregulation

  Total sample
n = 629
Criminal Conviction n = 117 No-Criminal Conviction
n = 512
p-value
Age, mean yrs. (SD) 36.7 (11.4) 39.8 (10.0) 35.9 (11.6) 0.020
Gender: Women, n (%) 290 (46.1) 34 (29.1) 256 (50.0) < 0.001
 Men, n (%) 339 (53.9) 83 (70.9) 256 (50.0)  
Years of education: ≤ 12: (%) 321 (51.0) 92 (78.6) 229 (44.7) < 0.001
 13–15: (%) 248 (39.4) 24 (20.5) 224 (43.8)  
  > 15: (%) 60 (9.5) 1 (0.9) 59 (11.5)  
Married or cohabitant, n (%) 270 (42.9) 38 (32.5) 232 (45.3) 0.014
Living with children, n (%) 248 (39.4) 30 (25.6) 218 (42.8) 0.003
Work participation, n (%) 370 (58.8) 49 (41.9) 321 (62.7) < 0.001
Alcohol use disorder lifetime, n (%) 73 (11.6) 29 (24.8) 44 (8.6) < 0.001
Drug use disorder lifetime, n (%) 165 (26.2) 81 (69.2) 84 (16.4) < 0.001
Inattentiveness, mean (SD) 27.4 (4.7) 27.9 (5.1) 27.3 (4.6) 0.036
Hyperactivity-Impulsivity, mean (SD) 23.9 (6.6) 26.7 (5.8) 23.3 (6.6) < 0.001
Emotional Dysregulation, mean (SD) 12.1 (5.6) 14.0 (5.6) 11.8 (5.5) < 0.001
  1. p-values are due to comparison of ADHD patients with and without a history of criminal conviction (chi-square or t-test)