Prevalence of comorbid substance use in schizophrenia spectrum disorders in community and clinical settings, 1990–2017: Systematic review and meta-analysis

GE Hunt, MM Large, M Cleary, HMX Lai… - Drug and alcohol …, 2018 - Elsevier
Background Comorbidity is highly prevalent between substance use disorders (SUDs) and
schizophrenia. This systematic review and meta-analysis estimated prevalence rates of …

Cannabis use and earlier onset of psychosis: a systematic meta-analysis

M Large, S Sharma, MT Compton… - Archives of general …, 2011 - jamanetwork.com
Objective: To establish the extent to which use of cannabis, alcohol, and other psychoactive
substances affects the age at onset of psychosis by meta-analysis. Data Sources: Peer …

Prevalence of substance use disorders in psychiatric patients: a nationwide Danish population-based study

NG Toftdahl, M Nordentoft, C Hjorthøj - Social psychiatry and psychiatric …, 2016 - Springer
Purpose The present study established the national prevalence of substance use disorders
(SUDs) among Danish psychiatric patients. Furthermore, patients with SUDs and those …

Rate of cannabis use disorders in clinical samples of patients with schizophrenia: a meta-analysis

J Koskinen, J Löhönen, H Koponen… - Schizophrenia …, 2010 - academic.oup.com
Objective: Our aim was to review recent studies and estimate the rate of cannabis use
disorders (CUDs) in schizophrenia, as well as to examine the factors affecting this rate …

The impact of substance use disorders on clinical outcome in 643 patients with first‐episode psychosis

M Lambert, P Conus, DI Lubman… - Acta Psychiatrica …, 2005 - Wiley Online Library
Objective: Studies investigating the impact of comorbid substance use disorders (SUD) in
psychosis have tended to focus on cross‐sectional data, with few studies examining the …

Reasons for increased substance use in psychosis

L Gregg, C Barrowclough, G Haddock - Clinical psychology review, 2007 - Elsevier
Around half of all patients with schizophrenia are thought to abuse drugs or alcohol and
there is good evidence to suggest that they have poorer outcomes than their non substance …

Psychosocial treatments for people with co-occurring severe mental illnesses and substance use disorders (dual diagnosis): A review of empirical evidence

J Horsfall, M Cleary, GE Hunt… - Harvard review of …, 2009 - journals.lww.com
Considerable research documents the health consequences of psychosis and co-occurring
substance use disorders. Results of randomized controlled trials assessing the effectiveness …

Comorbid substance use and age at onset of schizophrenia

TRE Barnes, SH Mutsatsa, SB Hutton… - The British Journal of …, 2006 - cambridge.org
BackgroundSubstance use may be a risk factor for the onset of schizophrenia. AimsTo
examine the association between substance use and age at onset in a UK, inner-city sample …

The impact of substance use disorders on the course of schizophrenia—a 15-year follow-up study: dual diagnosis over 15 years

LM Schmidt, M Hesse, J Lykke - Schizophrenia Research, 2011 - Elsevier
BACKGROUND: This follow-up study compared patients with schizophrenia with co-
occurring substance use disorder to patients with schizophrenia and no substance use …

The employment of people with mental illness

G Waghorn, C Lloyd - Australian e-journal for the Advancement of …, 2005 - Taylor & Francis
People with a mental illness are among the most socially and economically marginalised
members of the community. They experience high levels of unemployment and …