Jakob Manthey
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View article: Legal and Illegal Sources of Cannabis in Germany Shortly After Legalisation
Legal and Illegal Sources of Cannabis in Germany Shortly After Legalisation Open
The aim of this study is to examine cannabis sources shortly after the legalisation of recreational cannabis possession and cultivation and liberalisation of medical cannabis prescription in Germany in 2024. In a cross-sectional survey, pa…
View article: Correlates of driving under the influence of cannabis: A latent class analysis
Correlates of driving under the influence of cannabis: A latent class analysis Open
View article: Are marketing bans on alcoholic beverages a quick buy?
Are marketing bans on alcoholic beverages a quick buy? Open
View article: Das Geschäft mit dem Leid – wie viel Umsatz macht die Alkoholindustrie mit Risiko- und Hochkonsum?
Das Geschäft mit dem Leid – wie viel Umsatz macht die Alkoholindustrie mit Risiko- und Hochkonsum? Open
Zusammenfassung: Zielsetzung: Während die Alkoholindustrie öffentlich für einen „verantwortungsvollen“ Alkoholkonsum wirbt, deuten Studienergebnisse aus anderen Ländern darauf hin, dass mehr als die Hälfte ihres Umsatzes auf Personen mit s…
View article: Das Geschäft mit dem Leid – wie viel Umsatz macht die Alkoholindustrie mit Risiko- und Hochkonsum?
Das Geschäft mit dem Leid – wie viel Umsatz macht die Alkoholindustrie mit Risiko- und Hochkonsum? Open
Zusammenfassung: Zielsetzung: Während die Alkoholindustrie öffentlich für einen „verantwortungsvollen“ Alkoholkonsum wirbt, deuten Studienergebnisse aus anderen Ländern darauf hin, dass mehr als die Hälfte ihres Umsatzes auf Personen mit s…
View article: “Those pot heads” – perceived external stigma and self-stigma among cannabis users in Germany: prevalence and associations with socio-demographics, cannabis use patterns and psychological distress
“Those pot heads” – perceived external stigma and self-stigma among cannabis users in Germany: prevalence and associations with socio-demographics, cannabis use patterns and psychological distress Open
View article: Identifying levels of alcohol use disorder severity in electronic health records
Identifying levels of alcohol use disorder severity in electronic health records Open
Background Alcohol use disorder (AUD) is conceptualized as a dimensional phenomenon in the DSM-5, but electronic health records (EHRs) rely on binary AUD definitions according to the ICD-10. The present study classifies AUD severity levels…
View article: Alcohol Excise Taxation, Tax Share and Revenue in the European Union and the United Kingdom in 2022: An Overview and Modelling Analysis
Alcohol Excise Taxation, Tax Share and Revenue in the European Union and the United Kingdom in 2022: An Overview and Modelling Analysis Open
Introduction Although increases in alcohol excise taxation have been identified as one of the ‘best buys’ of the World Health Organization to reduce alcohol consumption and attributable harm, excise tax shares—the proportion of excise tax …
View article: Assessing the impact of Lithuania’s 2018 alcohol marketing ban on adolescent alcohol use by comparing trends with five EU control countries: a study protocol for a secondary data analysis
Assessing the impact of Lithuania’s 2018 alcohol marketing ban on adolescent alcohol use by comparing trends with five EU control countries: a study protocol for a secondary data analysis Open
Introduction Alcohol consumption poses a significant health risk, contributing to 10% of deaths in the WHO European Region. To combat this, the WHO recommends the implementation of its ‘best buy’ policies—three cost-effective alcohol polic…
View article: Re-hospitalisation of alcohol use disorder patients with and without qualified withdrawal and rehabilitation treatment: a data-linkage study (Germany)
Re-hospitalisation of alcohol use disorder patients with and without qualified withdrawal and rehabilitation treatment: a data-linkage study (Germany) Open
Introduction: For people with alcohol use disorder (AUD), the German treatment guidelines recommend inpatient qualified withdrawal (QWT; physical withdrawal plus psychosocial treatment to enhance motivation to abstain from drinking) and po…
View article: Utilisation of alcohol-related treatment after a first alcohol use disorder diagnosis in Hamburg, Germany
Utilisation of alcohol-related treatment after a first alcohol use disorder diagnosis in Hamburg, Germany Open
Background A variety of treatment options for people with alcohol use disorder (AUD) exist. Surveys estimate that 1 in 10 people with AUD utilise treatment, but real-world treatment pathways remain covert. This data-linkage study seeks to …
View article: Education‐based differences in alcohol health literacy in Germany
Education‐based differences in alcohol health literacy in Germany Open
Introduction Alcohol health literacy is critical for informed consumer decision making but has yet received limited attention in public health research. We therefore seek to measure alcohol health literacy and its educational distribution …
View article: Trends in alcohol‐attributable morbidity and mortality in Germany from 2000 to 2021: A modelling study
Trends in alcohol‐attributable morbidity and mortality in Germany from 2000 to 2021: A modelling study Open
Introduction We aimed to assess: (i) trends in alcohol‐specific — that is, fully attributable — morbidity and mortality in the German adult population aged 15–69 between 2000 and 2021; and (ii) changes in alcohol‐attributable disease burde…
View article: Can the <scp>THC</scp> concentration predict the number of patients with cannabis‐related diagnoses?
Can the <span>THC</span> concentration predict the number of patients with cannabis‐related diagnoses? Open
Introduction The use of high‐potency cannabis products is associated with an increased risk of mental disorders. This study investigates whether the rising THC concentration in Germany is associated with an increase in cannabis‐related dia…
View article: Alcohol‐Specific Inpatient Diagnoses in Germany: A Retrospective Cross‐Sectional Analysis of Primary and Secondary Diagnoses from 2012 to 2021
Alcohol‐Specific Inpatient Diagnoses in Germany: A Retrospective Cross‐Sectional Analysis of Primary and Secondary Diagnoses from 2012 to 2021 Open
Aims Our study aimed to a) describe the distribution of hospital discharges with primary and secondary alcohol‐specific diagnoses by sex and age group, and b) describe how the number of hospital discharges with primary and secondary alcoho…
View article: Classifying national drinking patterns in Europe between 2000 and 2019: A clustering approach using comparable exposure data
Classifying national drinking patterns in Europe between 2000 and 2019: A clustering approach using comparable exposure data Open
Background and aims Previously identified national drinking patterns in Europe lack comparability and might be no longer be valid due to changes in economic conditions and policy frameworks. We aimed to identify the most recent alcohol dri…
View article: Treatment demand for cannabis use problems: analyses of routine data from 30 European countries
Treatment demand for cannabis use problems: analyses of routine data from 30 European countries Open
View article: Quantifying alcohol’s harm to others: a research and policy proposal
Quantifying alcohol’s harm to others: a research and policy proposal Open
Just under 2.5 million people die annually due to alcohol use. This global estimate, however, excludes most of the health burden borne by others than the alcohol user. Alcohol's harm to others includes a multitude of conditions, such as tr…
View article: Road safety implications of the partial legalisation of cannabis in Germany: protocol for a quasi-experimental study
Road safety implications of the partial legalisation of cannabis in Germany: protocol for a quasi-experimental study Open
Introduction Germany is reforming its legal approach to cannabis, allowing the possession and cultivation of cannabis for recreational purposes. The objective of this study is to investigate the impact of the policy reform on (1) The preva…
View article: Clustering care pathways of people with alcohol dependence using a data linkage of routine data in Bremen, Germany
Clustering care pathways of people with alcohol dependence using a data linkage of routine data in Bremen, Germany Open
View article: Corrigendum: Estimating the prevalence of alcohol-related disorders and treatment utilization in Bremen 2016/2017 through routine data linkage
Corrigendum: Estimating the prevalence of alcohol-related disorders and treatment utilization in Bremen 2016/2017 through routine data linkage Open
[This corrects the article DOI: 10.3389/fpsyt.2023.1002526.].
View article: Effectiveness of cannabis use and cannabis use disorder interventions: a European and international data synthesis
Effectiveness of cannabis use and cannabis use disorder interventions: a European and international data synthesis Open
This data synthesis examined the effectiveness of behavioural and pharmacological approaches for cannabis treatment. We integrated findings from high level evidence studies and prioritised data from Europe when available. The synthesis fou…
View article: Germany's cannabis act: a catalyst for European drug policy reform?
Germany's cannabis act: a catalyst for European drug policy reform? Open
With the enforcement of the Cannabis Act on 1 April 2024, Germany has adopted one of the most liberal legal approaches to cannabis on the continent. The German model prioritises a non-profit approach and precludes legal market mechanisms. …
View article: National and regional prevalence of interpersonal violence from others’ alcohol use: a systematic review and modelling study
National and regional prevalence of interpersonal violence from others’ alcohol use: a systematic review and modelling study Open
Research reported in this publication was supported by the Canadian Institutes of Health Research (CIHR; grant: CIHR FRN 477887).
View article: Issue Information
Issue Information Open
No abstract is available for this article.
View article: Cannabis use, health problems, and criminal offences in Germany: national and state-level trends between 2009 and 2021
Cannabis use, health problems, and criminal offences in Germany: national and state-level trends between 2009 and 2021 Open
The German federal government plans to decriminalise cannabis. The impact of this policy on use prevalence, cannabis-related health and legal problems cannot be fully anticipated and should be viewed in context with current trends. We used…
View article: Cannabis use and cannabis use disorders and their treatment in the Europe
Cannabis use and cannabis use disorders and their treatment in the Europe Open
View article: Rescheduling alcohol marketing bans within the World Health Organization menu of policy options
Rescheduling alcohol marketing bans within the World Health Organization menu of policy options Open
We appreciate the critical comment made by our colleague Dr Sally Casswell [1]. As pointed out in her critique, the impact of marketing restrictions may not be comparable to the effects of pricing policies and availability restrictions. Ca…
View article: The Impact of Raising Alcohol Taxes on Government Tax Revenue: Insights from Five European Countries
The Impact of Raising Alcohol Taxes on Government Tax Revenue: Insights from Five European Countries Open
Increasing alcohol taxation was not linked to decreased but increased government revenue. Policymakers can increase revenue and reduce alcohol consumption and harm by increasing alcohol taxes.
View article: Cannabis use in Germany: Frequency, routes of administration, and co-use of inhaled nicotine or tobacco products
Cannabis use in Germany: Frequency, routes of administration, and co-use of inhaled nicotine or tobacco products Open
Smoking remains the predominant form of using cannabis-especially among younger users, who are at greatest risk of cannabis-related consequences. The true prevalence of cannabis use may have been underestimated in our study, however, as no…