TABLE S2.
Temporal Stability of Hyperactive-Inattentive Symptoms
| Age (y) | 4 | 7 | 8 | 10 | 12 | 13 | 17 |
|---|---|---|---|---|---|---|---|
| 4 | 1.00 | — | — | — | — | — | — |
| 7 | 0.54 | 1.00 | — | — | — | — | — |
| 8 | 0.52 | 0.70 | 1.00 | — | — | — | — |
| 10 | 0.48 | 0.67 | 0.70 | 1.00 | — | — | — |
| 12 | 0.43 | 0.61 | 0.66 | 0.69 | 1.00 | — | — |
| 13 | 0.40 | 0.57 | 0.60 | 0.64 | 0.71 | 1.00 | — |
| 17 | 0.34 | 0.45 | 0.49 | 0.54 | 0.58 | 0.60 | 1.00 |
Note: Temporal stability of hyperactive-inattentive symptoms was assessed using Spearman's rank correlation coefficient. The analysis was based on a sample of eligible individuals with complete information on hyperactive-inattentive symptoms across all time points (N = 3,182).