TABLE 1.
Demographic and clinical characteristics of baseline and follow‐up studies.
| Baseline study | Follow‐up study | ||||||
|---|---|---|---|---|---|---|---|
| ADHD (n = 84) | HC (n = 89) | χ 2/t | p‐value | ADHD (n = 14) | χ 2/t | p‐value a | |
| Male/Female | 62/22 | 66/23 | <0.01 | 0.958 | 8/6 | 1.63 | 0.215 |
| Age (Mean ± SD) | 25.80 ± 3.93 | 26.04 ± 3.63 | −0.43 | 0.668 | 25.29 ± 3.99 | 0.45 | 0.653 |
| Education year (Mean ± SD) | 15.88 ± 2.11 | 17.20 ± 1.97 | −4.26 | <0.001 | 16.36 ± 2.68 | −0.75 | 0.454 |
| FSIQ (Mean ± SD) | 120.94 ± 7.48 | 121.83 ± 7.50 | −0.78 | 0.435 | 120.86 ± 7.85 | 0.04 | 0.970 |
| ADHD symptoms (Mean ± SD) | |||||||
| Inattentive | 17.70 ± 3.94 | 16.93 ± 4.01 | 0.65 | 0.518 | |||
| Hyperactive/Impulsive | 10.16 ± 5.11 | 11.57 ± 6.17 | −0.89 | 0.379 | |||
| Total | 28.14 ± 6.97 | 28.50 ± 8.96 | −0.16 | 0.872 | |||
| Comorbidities (n, %) | 23, 27.38% | — | 6, 42.86% | 1.38 | 0.342 | ||
Abbreviations: ADHD, attention‐deficit/hyperactivity disorder; FSIQ, full‐scaled intelligence quotient; HC, healthy controls; SD, standard deviation.
a
Comparison with total ADHD sample.