Table 1.
Comparison of Characteristics of Children With Observed and Missing Values on the Internalizing Symptoms Scale
| Characteristic | Children With Missing Internalizing Scale Values, % | Children With Observed Internalizing Scale Values, % | P Value (2-Sided) |
| American Indian | 18.3 | 6.3 | 0.00 |
| Caucasian | 49.5 | 61.0 | 0.00 |
| Hispanic | 10.9 | 13.0 | 0.01 |
| Conduct disorder | 15.8 | 8.9 | 0.00 |
| Eligible for Medicaid | 74.5 | 69.2 | 0.00 |
| ADHD | 36.3 | 42.0 | 0.00 |
| Currently receiving services | 59.6 | 65.8 | 0.00 |
| Parental history of substance use treatment | 50.2 | 56.0 | 0.05 |
| Parental history of psychiatric hospitalization | 38.9 | 42.3 | 0.05 |
| Convicted of a crime | 38.5 | 33.0 | 0.05 |
| Percentage of day spent in special education classes | 35.3 | 36.4 | 0.76 |
Abbreviation: ADHD, attention deficit hyperactivity disorder.