Table 1.
Clinical and biological data of the participants.
| Boys (N = 34) | Girls (N = 19) | p | |||
|---|---|---|---|---|---|
| Age | 15.5 | (.8) | 16.1 | (1.1) | .024 |
| Substance use | |||||
| Tobacco | 3 | (8.8%) | 1 | (5.3%) | .547 |
| Alcohol | 4 | (11.8%) | 4 | (21.1%) | .301 |
| Cannabis | 0 | (0.0%) | 1 | (5.3%) | .358 |
| Age of ADHD diagnosis | 9.3 | (3.3) | 11.1 | (3.2) | .074 |
| CTQ total score | 31.9 | (6.6) | 30.9 | (5.2) | .580 |
| Treatments | |||||
| ADHD stimulant | 27 | (79.4%) | 16 | (84.2%) | .484 |
| ADHD nonstimulant | 2 | (5.9%) | 0 | (.0%) | .407 |
| Other treatments (no ADHD) | 3 | (8.8%) | 1 | (5.3%) | .547 |
| ADHD Rating Scale scores | 23.0 | (13.2) | 20.2 | (14.5) | .479 |
| ADHD Rating Scale – Inattention subscale | 14.8 | (8.2) | 12.5 | (8.4) | .355 |
| ADHD Rating Scale – Hyperactivity subscale | 8.2 | (5.9) | 7.6 | (7.6) | .760 |
| Cognitive scores (CFA factors) | |||||
| Attention/memory | .008 | (.33) | −.003 | (.23) | .893 |
| Executive functioning | .020 | (.29) | −.03 | (.29) | .594 |
| Estimated intelligence quotient | 101.7 | (9.6) | 98.3 | (13.5) | .290 |
| HCC (pg/mg) | 4.4 | (1.9) | 4.5 | (2.3) | .983 |
Note: Data are mean (SD) or N (%).
Abbreviations: CTQ: Childhood trauma questionnaire; ADHD: attention deficit hyperactivity disorder; CFA: confirmatory factor analysis; HCC: hair cortisol concentration.