Table 2.
Endorsement profile of DSM-IV ADHD Inattention symptoms at different times
| A: T1 | B: T2 | C: T3 | D: T3-T1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DSM-IV Symptom | ADHD | Non-ADHD | Net | ADHD | Non-ADHD | Net | ADHD | Non-ADHD | Net | ADHD | Non-ADHD | Net |
| 1. Fails to give close attention, careless | 50.0 | 12.0 | 38.0 | 71.4 | 13.7 | 57.7 | 87.5 | 18.2 | 69.3 | 37.5* | 6.2 | 31.3* |
| 2. Difficulty sustaining attention | 75.0 | 18.0 | 57.0 | 81.6 | 20.0 | 61.6 | 89.3 | 17.0 | 72.3 | 14.3 | −1.0 | 15.3* |
| 3. Does not listen | 70.5 | 9.0 | 61.5 | 67.3 | 10.5 | 56.8 | 73.2 | 11.4 | 61.8 | 2.7 | 2.4 | 0.3 |
| 4. Does not follow through | 61.4 | 11.0 | 50.4 | 69.4 | 8.4 | 61.0 | 80.4 | 9.1 | 71.3 | 19.0* | −1.9 | 20.9* |
| 5. Difficulty organizing | 54.5 | 10.0 | 44.5 | 65.3 | 13.7 | 51.6 | 82.1 | 18.2 | 63.9 | 27.6* | 8.2 | 19.4* |
| 6. Avoids tasks requiring sustained mental effort | 34.1 | 13.0 | 21.1 | 61.2 | 12.6 | 48.6 | 58.9 | 13.6 | 45.3 | 24.8* | 0.6 | 24.2* |
| 7. Loses things | 50.0 | 8.0 | 42.0 | 63.3 | 11.6 | 51.7 | 62.5 | 5.7 | 56.8 | 12.5 | −2.3 | 14.8 |
| 8. Easily distracted | 84.1 | 21.0 | 63.1 | 95.9 | 23.2 | 72.7 | 91.1 | 25.0 | 66.1 | 7.0 | 4.0 | 3.0 |
| 9. Forgetful | 45.5 | 3.0 | 42.5 | 59.2 | 9.5 | 49.7 | 60.7 | 3.4 | 57.3 | 15.2* | 0.4 | 14.8 |
|
| ||||||||||||
| Overall Inattention Means | 58.3 | 11.7 | 46.7 | 70.5 | 13.7 | 56.8 | 76.2 | 13.5 | 62.7 | 17.8* | 1.8 | 16.0* |
Note. T1=Time 1; T2=Time 2; T3=Time 3. All numbers expressed as %. ADHD=% endorsement among ADHD children; Non-ADHD= % endorsement among Non-ADHD children; Net=% of ADHD endorsed minus % of Non-ADHD endorsed. Differences between time points calculated as data at school-age (T3) minus data preschool-age (T1).
*
≥15% change.