Page 98 - Age of onset of disruptive behavior of residentially treated adolescents -Sjoukje de Boer

social skills training, aggression regulation training, pharmacological treatment, job training, and education.
Participants
All 296 inpatients admitted and discharged during a seventeen year period (1995-2012) were approached to participate. Two had committed suicide during treatment and were therefore excluded. Hence, the total group that was eligible for research comprised of 77 females and 217 males.
Table 1
Characteristics of the sample
N=294 N1
Characteristic
Sex (male) 196
Ethnicity Dutch
Onset of disruptive behavior 175
Early-onset (< 12 years)
n (%) Mean (SD)
147 (75.0%) 147 (75.0%)
122 (69.7%) 53 (30.3%) 130 (66.3%) 19.0 (1.4)
129 (65.8%) 40 (20.4%) 27 (13.8%)
444.3 (283.8)
Adolescent-onset (> 11 years)
Cannabis usage prior to admission
Age at discharge (years)
Discharge status 196
Completion of treatment Withdrawal2
Pushout3
Duration of treatment (days)
1 Number of patients for whom information about the characteristic was available 2 Premature termination of treatment against the advice of the therapist
3 Premature termination of treatment against the whishes of the patient
196 196
196
196
Over sixty percent (60.2%) of these 294 individuals completed the treatment, leaving about forty percent (n=117, 39.8%) of them to be entitled dropout. Of the 294 individuals eventually 196 (66.7%) participated in the follow-up study. The participants (N=196) had a mean treatment duration of 14.8 months (444 days; min. 25 - max. 1481 days) and the majority of them was of Dutch origin (see Table 1).
The 98 non-responders were compared to the 196 participants on the variables used in present study. No significant differences were found on sex, early-onset
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