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Table 2 Differences in demographic and clinic characteristics and self-report measures between unstable and stable groups of ADHD patients

From: Brain arousal regulation and depressive symptomatology in adults with attention-deficit/hyperactivity disorder (ADHD)

  Unstable group Stable group Test p
Mean (SD) n/available n Mean (SD) n/available n
Number   13   18   
Gender (women)a 46.15 6/13 44.44 8/18 X2 = 0.009 1.000
Age (in years) 32.23 (7.98) 13 32.28 (6.41) 18 T = − 0.729 0.435
Alcohol usersa 83.30 10/12 88.89 16/18 X2 = 0.192 0.661
Nicotine usersa 25.00 3/12 77.78 14/18 X2 = 8.167* 0.004
General sleep 7.45 (2.87) 11 7.23 (2.64) 17 T = 0.208 0.837
Marital status
 Single 92.31 12/13 83.33 15/18 X2 = 3.621 0.164
 Married 0.00 0/13 16.67 3/18
 Divorced 7.69 1/13 0.00 0/18
Graduation
 9th class 30.77 4/13 16.67 3/18 X2 = 3.046 0.218
 10th class 7.69 1/13 33.33 6/18
 12th class 61.54 8/13 50.00 9/18
CAARS (%)b
 DSM-IA 76.92 10/13 88.24 15/17 X2 = 0.679 0.410
 DSM-HYI 61.54 8/13 52.94 9/17 X2 = 0.222 0.638
 DSM-G 76.92 10/13 64.71 11/17 X2 = 0.524 0.469
CAARS (T)
 DSM-IA 79.00 (13.90) 13 78.94 (9.12) 17 T = 0.014 0.989
 DSM-HYI 70.69 (14.79) 13 68.53 (13.75) 17 T = 0.413 0.683
 DSM-G 77.92 (13.08) 13 76.35 (10.70) 17 T = 0.362 0.720
WURSK 42.92 (14.08) 13 36.94 (11.71) 17 T = 1.270 0.214
ASRS
 A-cutoff 4.46 (1.94) 13 4.52 (1.42) 17 T = − 0.111 0.913
 A-sum 17.38 (3.62) 13 16.71 (2.64) 17 T = 0.595 0.557
 B-cutoff 9.08 (2.60) 13 9.23 (1.82) 17 T = − 0.197 0.846
 B-sum 32.31 (6.97) 13 32.83 (5.49) 17 T = − 0.227 0.882
BDI (%)c 33.33 4/12 70.59 12/17 X2 = 5.855* 0.016
BDI (score) 9.75 (5.63) 12 19.06 (11.82) 17 T = − 2.802* 0.018
  1. T T scores, BDI Beck Depression Inventory
  2. * p < 0.05
  3. aPercentage of participants in this group
  4. bPercentage of patients scoring above T-value of 70 in each subscale of CAARS
  5. cPercentage of patients scoring above 13 in BDI