Figure 1

Sample structure of the Basel Prognosis Cohort Study. N = 365 mentally disturbed offenders were examined between 1989 and 2000. N = 352 were consecutively convicted and N = 259 were incarcerated (arrest) or received forensic therapeutic treatment (treatment). Premature recidivism refers to recidivism that occurred prior to release from jail or the end of forensic treatment.