Abstract
AbstractIdentifying correlates of treatment response may help to improve outcomes for adolescents and young people with substance use disorder (SUD). We assessed treatment response in an adolescent/young person-specific community-based residential SUD programme located in NSW, Australia. Participants (N = 100) were aged 16–24 years and recruited between 2018 and 2020 from a cohort study investigating treatment outcomes over time. We assessed treatment response using available data at 1-year follow-up (n = 24). Approximately one third (n = 9) of participants were classified as responders at 1-year follow-up (i.e. scoring below the clinical cut-off on the Brief Symptom Inventory Global Severity Index). At treatment entry, responders had higher levels of self-efficacy (d = 1.04), better functional status (d = 1.09), and less borderline personality disorder (BPD) symptoms (d = 1.26). Exploratory whole-sample analyses indicated over half of participants (56%) screened positively for a diagnosis of BPD at treatment entry, which was associated with more severe global psychiatric symptoms (d = .85), poorer functional status, (d = .76), lower self-efficacy (d = .73), higher substance use severity (d = .46), yet better cognitive functioning (d = .75). Findings suggest that comorbid BPD is common in this setting and may contribute to poorer outcomes for adolescents and young people with SUD.
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