Table 1.
Demographic and clinical variables
| Mean for CD | Mean for TD | t score | p value | Correlation with ARI for the CD group | Correlation with ICU for the CD group | Steiger's Z | p value | |
|---|---|---|---|---|---|---|---|---|
| Age | 15.874 ± 1.658 | 15.507 ± 1.973 | 1.345 | 0.180 | 0.072 | 0.158 | −0.707 | 0.482 |
| IQ | 100.792 ± 11.630 | 103.546 ± 10.998 | 1.602 | 0.111 | −0.295** | −0.121 | −1.461 | 0.072 |
| ARI | 3.860 ± 3.263 | 0.829 ± 1.100 | 7.765 | 0.000 | – | 0.299** | – | – |
| ICU | 24.490 ± 7.978 | 15.859 ± 6.856 | 7.330 | 0.000 | 0.299** | – | – | – |
| SDQ-CP | 6.256 ± 2.242 | 0.339 ± 0.713 | 20.431 | 0.000 | 0.128 | 0.066 | 0.506 | 0.613 |
| RPRS Total | 16.985 ± 6.004 | 8.177 ± 2.608 | 10.644 | 0.000 | 0.081 | 0.074 | 0.057 | 0.955 |
| RPRS Reactive | 10.182 ± 3.486 | 4.839 ± 2.002 | 10.545 | 0.000 | 0.085 | 0.027 | 0.471 | 0.638 |
| RPRS Proactive | 6.821 ± 3.015 | 3.333 ± 0.861 | 8.847 | 0.000 | 0.064 | 0.114 | −0.407 | 0.684 |
| Conners (ADHD) | 6.634 ± 6.813 | 0.351 ± 1.190 | 7.995 | 0.000 | 0.173 | 0.104 | 0.567 | 0.571 |
| Percent for CD | Percent for TD | |||||||
| Male | 56.7% | 43.3% | 0.802 | 0.424 | −0.157 | 0.032 | −1.544 | 0.123 |
| MDD | 38.8% | 0% | 4.063 | 0.000 | 0.224* | 0.194 | 0.251 | 0.802 |
| GAD | 31.0% | 0% | 5.807 | 0.000 | 0.193 | 0.111 | 0.676 | 0.499 |
| ADHD | 80.0% | 0% | 17.030 | 0.000 | 0.153 | 0.055 | 0.801 | 0.423 |
| CD | 100% | 0% | – | – | – | – | – | – |
| Antipsych-otic | 13.6% | 0% | 2.660 | 0.009 | 0.031 | 0.037 | −0.049 | 0.961 |
| Stimulant | 23.7% | 0% | 3.747 | 0.000 | −0.074 | −0.096 | 0.179 | 0.858 |
| SSRI | 16.9% | 0% | 3.035 | 0.003 | −0.094 | 0.087 | −1.474 | 0.140 |
MDD, major depressive disorder; GAD, generalized anxiety disorder; ADHD, attention deficit hyperactivity disorder; CD, conduct disorder; p = two-tailed significance level of the Steiger's Z calculation (i.e. whether there were significant differences in correlation strength between the ARI scores and ICU scores). *p < 0.05; **p < 0.01.