Cannabis and depression: An integrative data analysis of four Australasian cohorts

Horwood, L. John; Fergusson, David M.; Coffey, Carolyn; Patton, George C.; Tait, Robert J.; Smart, Diana; Letcher, Primrose; Silins, Edmund; Hutchinson, Delyse

doi:10.1016/j.drugalcdep.2012.06.002

Cited by 136 publications

(120 citation statements)

References 56 publications

(74 reference statements)

Supporting

Mentioning

112

Contrasting

Unclassified

Order By: Relevance

“…According to the Diagnostic and Statistical Manual for Mental Disorders (DSM-IV), 1.6 million Americans used marijuana daily in 2000 and thus met the criteria for substance dependence (Wilson & Cadet 2009). Marijuana consumption is reported to increase the risk of mood or anxiety disorders, although the role of this drug as a cause of these disorders has yet to be established (Horwood et al 2012). With increasing demands to legalize marijuana, this possible link to mental disorders requires more research.…”

Section: Discussionmentioning

confidence: 99%

Typology of Individuals with Substance Dependence Based on a Montreal Longitudinal Catchment Area Study

Fleury

Grenier

Bamvita

et al. 2014

Adm Policy Ment Health

View full text Add to dashboard Cite

This study sought to develop a typology of individuals with substance dependence (ISD) based on a longitudinal survey (n = 2,434) and 121 ISD. The latter were divided into three groups: newly abstinent individuals, chronic dependents and acute dependents. Individuals' typology was developed by cluster analysis. Newly abstinent individuals had fewer emotional problems and mental disorders in the previous 12 months. Four classes of ISD were identified, labelled respectively "chronic multi-substance consumption and mental disorders comorbidities," "multi-substance consumption," "alcohol and marijuana consumption" and "alcohol consumption only." Strategies adapted to each of these profiles could be promoted for more effective treatment.

show abstract

Section: Discussionmentioning

confidence: 99%

Typology of Individuals with Substance Dependence Based on a Montreal Longitudinal Catchment Area Study

Fleury

Grenier

Bamvita

et al. 2014

Adm Policy Ment Health

View full text Add to dashboard Cite

show abstract

“…A total of 20.1% of the patients diagnosed with bipolar disorder and 10.9% of patients diagnosed with depressive disorder also have comorbid substance use disorder (Nesvag, 2015). Horwood et al (2012) found an important linear connection between the frequency of marijuana use and the severity of depressive symptoms. Higher marijuana use is connected with a higher severity of depressive symptoms.…”

Section: Comorbidity Of Drug Usage and Psychiatric Disordersmentioning

confidence: 91%

Psychopathology and parent-child relationships in illicit drugs users

Erjavec¹,

Žvelc²

2018

ARS

View full text Add to dashboard Cite

Objectives: Drug usage represents an important and profound problem, as it can have long-term negative effects on the individual and society. According to previous studies, drug usage is connected to several factors, amongst which we also find psychopathology and the parent-child relationship. The purpose of this study was to explore illicit drug use, as well as to investigate its potential connections to psychopathology and the parent-child relationship of the subject. Material and methods: There were 475 participants included in the research, all of them young adults from Slovenia. The Drug Usage Questionnaire was used for the drug use assessment, Symptom Checklist-90-Revised was used to assess the psychopathology symptoms, and the Parental Bonding Instrument was used for the assessment of parent-child relationships. The results were gathered in the summer of 2015. Results: Most participants from the sample have tried marijuana, and the lowest amount have tried heroin. The number of drugs tried and the frequency of drug use is higher for men than for women. A significantly larger percentage of males have tried one or more illicit substances at least once. Drug usage is positively correlated to psychopathology, although correlations are small. Mother and father care are negatively correlated to drug usage, and only a mother's overprotection is positively correlated to the researched variable. Conclusions:The correlations between variables are small, but statistically significant, which indicates that drug usage is a wide and complex phenomenon. The research has demonstrated that drug use significantly correlates with psychopathology, parental care, and a mother's overprotection. These factors can be considered when designing preventative and therapeutic programs. The research indicated a need for further research in this field.

show abstract

“…Findings from the analysis of the integrated data improved knowledge of the relationships between cannabis use, mental health, other substance use and social development in young people (Horwood et al, 2010(Horwood et al, , 2012Silins et al, 2014). For example, the age of initiation of cannabis use was found to be a significant factor in educational attainment, with early use (i.e.…”

Section: What Has It Found? Key Findings and Publicationsmentioning

confidence: 98%

“…Selected PATH data on cannabis and depression have also been harmonised within this data set (Horwood et al, 2012). We intend to harmonise relevant data from all six cohorts in the CCRC subject to continued funding support.…”

Section: How Has the Ccrc Pooled Data Across Cohorts?mentioning

confidence: 99%

How can data harmonisation benefit mental health research? An example of The Cannabis Cohorts Research Consortium

Hutchinson¹,

Silins²,

Mattick³

et al. 2015

Aust N Z J Psychiatry

Self Cite

View full text Add to dashboard Cite

show abstract

Cannabis and depression: An integrative data analysis of four Australasian cohorts

Cited by 136 publications

References 56 publications

Typology of Individuals with Substance Dependence Based on a Montreal Longitudinal Catchment Area Study

Typology of Individuals with Substance Dependence Based on a Montreal Longitudinal Catchment Area Study

Psychopathology and parent-child relationships in illicit drugs users

How can data harmonisation benefit mental health research? An example of The Cannabis Cohorts Research Consortium

Contact Info

Product

Resources

About