Figure 1.
Proportion of psychiatric morbidity by ADHD severity.
Shown are the gradient for the prevalence of psychiatric morbidity by increasing levels of ADHD severity (strata I-IV). Design-based tests of linear trend for co-occurring clinical syndromes are the following: ASPD F = 113.8, Drug Dependence F = 99.2, Alcohol Dependence F = 128.1 and Anxiety disorders F = 466.8 (all P < 0.001).
Figure 2.
Impact of psychiatric comorbidities on the association of ADHD with any violence in the past 5 years.
Error bars that cross vertical gridline 1 indicate no significant association (OR 95% CI).