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Means of the Behavior Problems Index by Developmental Disabilities
| Behavior Problems Index (BPI) | Sample mean |
Developmental delay |
ADHD |
|---|---|---|---|
| Total score | 106.0 | 116.0 | 119.1 |
| Hyperactive score | 106.4 | 114.1 | 116.1 |
| Antisocial score | 105.5 | 110.8 | 112.9 |
| Oppositional/Defiant score | 104.9 | 107.8 | 111.5 |
| Anxious/Depressed score | 106.4 | 112.8 | 112.6 |
| Peer problem score | 108.3 | 113.2 | 113.7 |
Note: 1997, 2002-3, 2007 waves of the PSID-CDS are used.
