Introduction
Methods
Study design and participants
Procedures
Analysis
Results
Participant demographics
Controls (n = 202) | ADHD cases (n = 476) | |
---|---|---|
Gender (male), n (%) | 104 (51) | 379 (80) |
Age | ||
Years, mean (SD) | 11.5 (3.4) | 11.4 (3.4) |
Children (5–12 years), n
| 115 | 278 |
Adolescents (13–19 years), n
| 87 | 198 |
WFIRS-P scores, mean (SD) | ||
Overall | 0.37 (0.34) | 1.18 (0.55) |
A. Family | 0.39 (0.42) | 1.35 (0.72) |
B. School and learning | 0.28 (0.40) | 1.21 (0.67) |
C. Life skills | 0.52 (0.41) | 1.33 (0.63) |
D. Child’s self-concept | 0.33 (0.49) | 1.26 (0.90) |
E. Social activities | 0.41 (0.45) | 1.23 (0.74) |
F. Risky activities | 0.19 (0.30) | 0.70 (0.54) |
Performance of WFIRS-P
Optimal threshold for WFIRS-P scores
WFIRS-P domain | ROC curves | Optimal threshold scores | ||||
---|---|---|---|---|---|---|
AUC | 95% CI | Scale score |
J
| Sensitivity | Specificity | |
A. Family | 0.88 | 0.87–0.90 | 0.75 | 0.63 | 0.84 | 0.78 |
B. School and learning | 0.90 | 0.88–0.91 | 0.70 | 0.64 | 0.86 | 0.78 |
C. Life skills | 0.86 | 0.84–0.88 | 0.78 | 0.56 | 0.75 | 0.81 |
D. Child’s self-concept | 0.81 | 0.80–0.83 | 1.00 | 0.51 | 0.85 | 0.66 |
E. Social activities | 0.84 | 0.82–0.85 | 0.71 | 0.54 | 0.79 | 0.75 |
F. Risky activities | 0.85 | 0.83–0.86 | 0.22 | 0.56 | 0.75 | 0.81 |
Overall total score | 0.91 | 0.88–0.93 | 0.65 | 0.68 | 0.83 | 0.85 |