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Table 1 Participant characteristics

From: Evaluating cognitive and motivational accounts of greater reinforcement effects among children with attention-deficit/hyperactivity disorder

  ADHD (n = 25) Control (n = 33) p -value
Age 10.8 (1.1) 10.9 (1.0) .84
Sex (M:F) 22:3 27:6 .50
Race/ethnicity (% minority) 16% (n = 4) 15.2% (n = 5) .99
WISC (FSIQ) 107.9 (11.86) 112.5 (11.5) .14
ADHD Symptoms (DBD-RS)    
  Inattention-Parent 8.1 (1.2) 0.09 (0.4) <.001
  Hyp/Imp-Parent 7.2 (1.7) 0.03 (0.2) <.001
  Inattention-Teacher 6.3 (2.9) 0.09 (0.4) <.001
  Hyp/Imp-Teacher 5.2 (2.5) 0.06 (0.2) <.001
Cognition- No Reinforcement −0.89 (1.0) 0.20 (0.55) <.001
Cognition- Reinforcement −0.14 (0.77) 0.60 (0.39) <.001
Baseline Cognition −0.12 (0.64) 0.09 (0.25) .11
SR Composite 0.51 (0.62) −0.39 (0.49) <.001
  1. Except where noted, values represent the mean (SD). SR composite = mean of standardized parent-reported SR and child-reported BAS; Cognition = mean of standardized SSRT on the SST, percent accuracy on the 1-and 2-back, and CPT hits; DBD-RS = Disruptive Behavior Disorder Rating Scale, values represent the total number of symptoms endorsed on the DBD-RS (i.e., rated as ‘pretty much’ or ‘very much’).