Table 3.
Endorsement profile of DSM-IV ADHD Hyperactivity/Impulsivity 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 |
| 10. Fidgets or squirms | 95.5 | 21.0 | 74.5 | 89.8 | 22.1 | 67.7 | 91.1 | 15.9 | 75.2 | −4.4 | −5.1 | 0.7 |
| 11. Leaves seat | 88.6 | 22.0 | 66.6 | 79.6 | 18.9 | 60.7 | 69.6 | 12.5 | 57.1 | −19.0* | −9.5 | −9.5 |
| 12. Runs or climbs | 77.3 | 12.0 | 65.3 | 73.5 | 11.6 | 61.9 | 62.5 | 8.0 | 54.5 | −14.8 | −4.0 | −10.8 |
| 13. Difficulty playing quietly | 47.7 | 5.0 | 42.7 | 51.0 | 4.2 | 46.8 | 46.4 | 3.4 | 43.0 | −1.3 | −1.6 | 0.3 |
| 14. “On the go” | 75.0 | 14.0 | 61.0 | 69.4 | 9.5 | 59.9 | 57.1 | 5.7 | 51.4 | −17.9* | −8.3 | −9.6 |
| 15. Talks excessively | 70.5 | 20.0 | 50.5 | 51.1 | 26.3 | 24.8 | 64.3 | 19.3 | 45.0 | −6.2 | −0.7 | −5.5 |
| 16. Blurts out answers | 72.7 | 13.0 | 59.7 | 71.4 | 20.0 | 51.4 | 57.1 | 11.4 | 45.7 | −15.6* | −1.6 | −14.0 |
| 17. Difficulty awaiting turn | 77.3 | 16.0 | 61.3 | 67.3 | 11.6 | 55.7 | 58.9 | 8.0 | 50.9 | −18.4* | −8.0 | −10.4 |
| 18. Interrupts or intrudes | 86.4 | 28.0 | 58.4 | 89.8 | 27.4 | 62.4 | 73.2 | 25.0 | 48.2 | −13.2 | −3.0 | −10.2 |
|
| ||||||||||||
| Overall Hyperactivity Means | 76.8 | 16.8 | 60.0 | 71.4 | 16.8 | 54.6 | 64.5 | 12.1 | 52.3 | −12.3 | −4.6 | −7.7 |
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.