“…The sole sociodemographic factor which has been found to be related to a longer LOS was being male (Davoren et al, 2015). Legal factors Downloaded by [92.108.141.14] at 01:24 03 January 2018 that were found to be related to a longer LOS were a history of absconding (Andreasson et al, 2014), a need to prevent absconding, public confidence, victim sensitivity, legal process (Davoren et al, 2015), a younger age at index offense (Moran et al, 1999), and a younger age at the first documented delinquency (Ross et al, 2012). Clinical factors linked to a longer LOS were previous psychiatric admissions (Ross et al, 2012;Shah et al, 2011), previous contact with child and adolescent psychiatric services (Andreasson et al, 2014), having a lifetime diagnosis of learning disability, having severe mental illness as diagnosis, making less progress in rehabilitation measured three months prior to the conducted study (O'Neill et al, 2003), persistence of mental state associated with violence, specialist forensic treatment need, complex risk of violence (comorbidity), problematic institutional behavior (Davoren et al, 2015), and a higher baseline risk of recidivism (Lammers et al, 2014) as measured with the HCR-20 historical factors (Webster, Douglas, Eaves, & Hart, 1997).…”