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Cannabis use is associated with 3years earlier onset of schizophrenia spectrum disorder in a naturalistic, multi-site sample (N=1119).

https://arctichealth.org/en/permalink/ahliterature277445
Source
Schizophr Res. 2016 Jan;170(1):217-21
Publication Type
Article
Date
Jan-2016
Author
Siri Helle
Petter Andreas Ringen
Ingrid Melle
Tor-Ketil Larsen
Rolf Gjestad
Erik Johnsen
Trine Vik Lagerberg
Ole A Andreassen
Rune Andreas Kroken
Inge Joa
Wenche Ten Velden Hegelstad
Else-Marie Løberg
Source
Schizophr Res. 2016 Jan;170(1):217-21
Date
Jan-2016
Language
English
Publication Type
Article
Keywords
Adult
Age of Onset
Cannabis
Family
Female
Humans
Male
Marijuana Abuse - complications - epidemiology
Norway - epidemiology
Psychotic Disorders - complications - epidemiology
Regression Analysis
Schizophrenia - complications - epidemiology
Sex Factors
Young Adult
Abstract
Patients with schizophrenia spectrum disorders and substance use may have an earlier onset of illness compared to those without substance use. Most previous studies have, however, too small samples to control for confounding variables and the effect of specific types of substances. The present study aimed to examine the relationship between substance use and age at onset, in addition to the influence of possible confounders and specific substances, in a large and heterogeneous multisite sample of patients with schizophrenia spectrum disorders.
The patients (N=1119) were recruited from catchment areas in Oslo, Stavanger and Bergen, Norway, diagnosed according to DSM-IV and screened for substance use history. Linear regression analysis was used to examine the relationship between substance use and age at onset of illness.
Patients with substance use (n=627) had about 3years earlier age at onset (23.0years; SD 7.1) than the abstinent group (n=492; 25.9years; SD 9.7). Only cannabis use was statistically significantly related to earlier age at onset. Gender or family history of psychosis did not influence the results.
Cannabis use is associated with 3years earlier onset of psychosis.
PubMed ID
26682958 View in PubMed
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Supported accommodation for people with schizophrenia.

https://arctichealth.org/en/permalink/ahliterature302747
Source
Nord J Psychiatry. 2019 May - Jul; 73(4-5):211-218
Publication Type
Journal Article
Author
Torhild Smith Wiker
Rolf Gjestad
Liv Solrunn Mellesdal
Erik Johnsen
Ketil Joachim Oedegaard
Rune Andreas Kroken
Author Affiliation
a Division of Psychiatry , Haukeland University Hospital , Bergen , Norway.
Source
Nord J Psychiatry. 2019 May - Jul; 73(4-5):211-218
Language
English
Publication Type
Journal Article
Keywords
Activities of Daily Living - psychology
Adult
Cohort Studies
Deinstitutionalization - methods
Female
Housing
Humans
Male
Middle Aged
Norway - epidemiology
Prospective Studies
Retrospective Studies
Schizophrenia - epidemiology - therapy
Schizophrenic Psychology
Social Support
Substance-Related Disorders - epidemiology - psychology - therapy
Abstract
Background: As a result of deinstitutionalization of psychiatric treatment and care, many people with severe mental illness have been offered supported accommodation. However, research on this costly intervention in Norway has been scarce. Aims: The aim of this study was to prospectively investigate the clinical and demographic factors associated with allocation to supported accommodation for people with schizophrenia. Methods: The study was a prospective cohort study of 334 people with schizophrenia acutely admitted to Haukeland University Hospital between 2005 and 2010. Information concerning allocation to supported accommodation in their residential municipalities was collected retrospectively. Univariate and multivariate statistical methods were used to assess the association of clinical and demographical variables with allocation to supported accommodation. Results: Supported accommodation was allocated to 29.6% of the participants during the study period. Age, gender, implementation of compulsory mental health care, substance abuse, symptom burden and suicidality were not associated with allocation to supported accommodation. Functional impairment, especially difficulties with activities of daily living, experiencing exacerbation in the course of chronic disease, being medicated and of Norwegian origin, favoured supported accommodation. Conclusions: Our results supported the hypothesis that people with severe mental illness presenting the greatest need for supported accommodation, based on functional difficulties and exacerbation of chronic disease were allocated supported accommodation. Symptom burden was not associated with allocation. Clinical implications: Further research is needed to examine the impact of supported accommodation on the outcomes for people with schizophrenia.
PubMed ID
31070510 View in PubMed
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