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Table 3 Self-rated ADHD symptoms and behaviours during both childhood and adulthood; parental ratings of childhood ADHD-symptoms. All results divided by group.

From: Attention Deficit Hyperactivity Disorder (ADHD) among longer-term prison inmates is a prevalent, persistent and disabling disorder

  ADHD-psychiatry
n = 20
ADHD-prison n = 30 t p
Self-rating questionnaires M (SD) M (SD)   
   WURS-25 54.70 (14.31) 67.43 (13.48) -3.19 .002
   ASRS a 45.11 (12.85) 55.30 (8.89) -3.28 .002
Parental rating/questionnaires completed by significant others     
Five to Fifteen - Executive Functions Subscale b 1.23 (0.59) 1.20 (0.44) 0.19 .848
Conners' Hyperactivity Index b 13.47 (10.34) 15.19 (8.07) -0.52 .608
  1. a Data missing for one subject among the ADHD-psychiatry group; b The FTF Executive Functions Subscale includes ADHD criteria according to DSM-IV. For 15/20 (75%) among the ADHD-psychiatry group and 16/30 (53%) among the ADHD-prison group, a significant other completed the FTF and the Conners' Hyperactivity Index. For all questionnaires, higher scores indicate increased problems.