Childhood Characteristics of Adolescent Inpatients with Early-Onset and Adolescent-Onset Disruptive Behavior

Childhood characteristics are associated with life-course-persistent antisocial behavior in epidemiological studies in general
population samples. The present study examines this association in an inpatient sample. The purpose is to identify easily
measurable childhood characteristics that may guide choice of treatment for adolescent psychiatric inpatients with severe
disruptive behavior. Patients (N = 203) were divided into two groups with either early-onset (EO) or adolescent-onset (AO) disruptive behavior, based on ages
at which professional care was used for disruptive behavior, referral to special education, and criminal offences. Both groups
differed on several childhood characteristics. No gender differences in these characteristics were found. Logistic regression
analysis indicated that individuals with grade retention in primary school, childhood impulsive behavior, and a history of
physical abuse, had the highest probability of being member of the EO group. These characteristics are reasonably easy to
identify, likely apply to other clinical samples as well, and may help clinicians to target their treatment.