Table 1.
Demographic, Clinical, and Diagnostic Characteristics of the Sample at Study Intake.
| Variable | Overall (N=163) | PONI (n = 83) | EUC (n = 80) | Group Comparisons | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | F | df | |
| Age in years | 8.1 | 1.6 | 8 | 1.6 | 8.2 | 1.6 | 1.17 | 1, 163 |
| Kaufmann Brief Intelligence Test | 108.4 | 12.9 | 107.1 | 12.9 | 109.8 | 12.8 | 1.73 | 1, 162 |
| n | % | n | % | n | % | χ2 | df | |
| Gender – male | 106 | 65.0 | 54 | 65.1 | 52 | 65 | 0.020 | 163 |
| Race – Caucasian | 130 | 79.8 | 65 | 78.3 | 65 | 81.2 | 0.220 | 156 |
| Marital status of adults - married | 123 | 75.4 | 63 | 75.9 | 60 | 75.0 | 0.080 | 155 |
| Education – at least some college | 132 | 83.0 | 66 | 79.5 | 66 | 82.5 | 0.260 | 151 |
| <Median ($58,000) income | 75 | 46.0 | 33 | 39.8 | 42 | 52.5 | 1.890 | 153 |
| ADHD children on psychoactive medication at study intake | 21 | 21.9 | 14 | 28.6 | 7 | 15.0 | 2.63 | 96 |
| Children who received any mental health treatment in past 6 months | 65 | 39.9 | 35 | 42.2 | 30 | 37.5 | 0.370 | 163 |
| Cases above 90th percentile cutoff | ||||||||
| PSC-17 Externalizing problems | 133 | 81.6 | 12 | 14.5 | 18 | 22.5 | 1.75 | 163 |
| PSC-17 Attentional problems | 115 | 70.6 | 55 | 66.3 | 60 | 75.0 | 1.50 | 163 |
| PSC-17 Internalizing problems | 91 | 56.2 | 46 | 56.1 | 45 | 56.3 | 0.00 | 163 |
| SDQ-Parent Total | 126 | 77.3 | 66 | 79.5 | 60 | 75.0 | 0.47 | 162 |
| Columbia Impairment Scale | 117 | 71.8 | 55 | 66.3 | 62 | 77.5 | 2.54 | 163 |
| Any Disruptive Behavior Disorder | 148 | 90.8 | 75 | 90.4 | 73 | 91.3 | 0.04 | 163 |
PSC-17 = Pediatric Symptom Checklist-17; SDQ-P = Strengths and Difficulties Questionnaire-parent version
Note. F = ANOVA; χ2 = Chi-Square test. No group comparison reached statistical significance.