Table 2.
Demographic and clinical differences in A-ADHD patients with and without Dual Disorder.
| NDD/A-ADHD N = 85 |
DD/A-ADHD Type 1 N = 41 |
DD/A-ADHD Type 2 N = 40 |
|||
|---|---|---|---|---|---|
| M ± SD | M ± SD | M ± SD | F | p | |
| CAARS-Inattentive | 18.08 ± 5.6 | 16.79 ± 5.3 | 18.05 ± 5.9 | 0.82 | 0.438 |
| CAARS-Hyperactive/Impulsive | 12.84 ± 6.5 a | 16.00 ± 5.3 b | 15.63 ± 6.9 ab | 4.69 | 0.010 |
| CAARS-Combined | 30.77 ± 10.6 | 32.24 ± 9.5 | 33.55 ± 11.5 | 1.00 | 0.369 |
| CAARS-Index | 22.98 ± 6.6 | 22.93 ± 5.0 | 24.28 ± 6.2 | 0.69 | 0.501 |
| Total DERS | 2.94 ± 0.5 | 2.96 ± 0.7 | 3.01 ± 0.6 | 1.57 | 0.855 |
| Total RIPOST | 222.12 ± 43.2 | 219.00 ± 44.4 | 228.20 ± 48.3 | 0.39 | 0.679 |
| Total BIS | 75.46 ± 11.7 a | 81.60 ± 9.9 b | 84.87 ± 12.6 b | 10.01 | 0.000 |
| Total BPRS | 38.04 ± 13.5 a | 36.43 ± 12.9 a | 46.35 ± 16.7 b | 6.06 | 0.003 |
| Total WHODAS | 2.45 ± 0.7 | 2.63 ± 0.6 | 2.69 ± 0.8 | 1.74 | 0.178 |
| N (%) | N (%) | N (%) | χ2 | p | |
| DIVA combined | 57 (67.9) | 34 (82.9) | 31 (77.5) | 3.59 | 0.166 |
| DIVA inattentive | 25 (29.8) a | 4 (9.8) b | 7 (17.5) ab | 7.04 | 0.030 |
| DIVA hyperactive/impulsive | 3 (3.5) | 2 (4.9) | 2 (5.0) | 0.21 | 0.896 |
| MEQ typology | 2.44 | 0.655 | |||
| 1-Indifferentiate | 56 (65.1) | 25 (62.5) | 22 (56.4) | ||
| 2-Evening chronotype | 17 (19.8) | 11 (27.5) | 12 (30.8) | ||
| 3-Morning chronotype | 13 (15.1) | 4 (10.0) | 5 (12.8) |
NDD/A-ADHD = Non-Dual Disorder A-ADHD; DD/A-ADHD = Dual Disorder A-ADHD; CAARS = Conner’s Adult ADHD Rating Scales; DERS = Difficulties in Emotion Regulation Scale; RIPOST = Reactivity Intensity Polarity Stability Questionnaire; BIS = Barratt Impulsiveness Scale; BPRS = Brief Psychiatric rating scale; WHODAS = World Health Organization Disability Assessment Schedule; DIVA = Diagnostic Interview for ADHD in adults; MEQ = Morningness-Eveningness Questionnaire. “a” and “b” letters denotes a subset of categories whose column proportions differ significantly from each other at the 0.05 level.