Observational studyBMC psychiatry2016
Hospitalisation of severely mentally ill patients with and without problematic substance use before and during Assertive Community Treatment: an observational cohort study.
Observational study in BMC psychiatry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Psychosocial interventions for people with both severe mental illness and substance misuse.The Cochrane database of systematic reviews · 2019Pooled it
- Assertive Community Treatment and ACT-Derived Outreach Models: A Scoping Review of Adaptations, Fidelity and Outcomes.Community mental health journal · 2026Article
- Changes in inpatient mental health treatment and related costs before and after flexible assertive community treatment: a naturalistic observational cohort study.BMC psychiatry · 2025Observational
- Clinical outcomes and outcome predictors of two-year assertive community treatment in Norway: an explorative prospective pre-post study.BMC psychiatry · 2024Article
- Substance Use Disorders as a Critical Element for Decision-Making in Forensic Assertive Community Treatment: A Systematic Review.Frontiers in psychiatry · 2021Review
- Article
- Improved Rehabilitation Outcomes for Persons With and Without Problematic Substance Use After 2 Years With Assertive Community Treatment-A Prospective Study of Patients With Severe Mental Illness in 12 Norwegian ACT Teams.Frontiers in psychiatry · 2020Article
- Identifying patterns in psychiatric hospital stays with statistical methods: towards a typology of post-deinstitutionalization hospitalization trajectories.Social psychiatry and psychiatric epidemiology · 2019Article
- Involuntary admission in Norwegian adult psychiatric hospitals: a systematic review.International journal of mental health systems · 2018Review
- How clinicians make decisions about CTOs in ACT: a qualitative study.International journal of mental health systems · 2018Article
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCo-occurring substance use increases the risk of hospitalisation in people with severe mental illness, whereas Assertive Community Treatment (ACT) generally reduces hospitalisation in patients with severe mental illness and high inpatient service use. Because the superiority of ACT over standard services amongst patients with problematic substance use is uncertain, the present study examined inpatient service use amongst patients with and without problematic substance use in the 2 years before and the 2 years after they enrolled into ACT teams.
methodsThis naturalistic observational study included 142 patients of 12 different ACT teams throughout Norway. The teams assessed the patients upon enrolment into ACT using clinician-rated and self-reported questionnaires. We obtained hospitalisation data from the Norwegian Patient Register for the 2 years before and the 2 years after enrolment into ACT. We used linear mixed models to assess changes in hospitalisation and to explore associations between problematic substance use and changes in hospitalisation, controlling for socio-demographic and clinical characteristics.
resultsA total of 84 (59%) participants had problematic substance use upon enrolment into the ACT teams. In the 2 years after ACT enrolment both participants with and without problematic substance use experienced a reduction in total inpatient days. Those with problematic substance use also had fewer involuntary inpatient days. Exploratory analyses suggested that symptom severity and functioning level interacted with problematic substance use to influence change in total inpatient days.
conclusionThese findings may suggest that ACT teams successfully support people with complex mental health problems in the community, including those with problematic substance use, and thereby contribute to a reduction in inpatient service use.
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