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Publications

Party Panel: developing theory- and evidence-based health promotion in nightlife settings

10.01.2023

This paper describes the development and results of a web survey, named the Party Panel, that addresses emerging risks in nightlife settings. The survey does so by gathering the information that prevention organisations require to develop theory- and evidence-based behaviour change interventions....

Publications

Quantitative and qualitative assessments of data quality within the European Web Survey on Drugs

13.12.2022

This paper assesses data quality in the first two rounds of the European Web Survey on Drugs (EWSD). Data quality has various dimensions, such as accuracy, consistency, validity and completeness, but can be defined as fitness of the data for the intended use. For the quantitative assessment, the...

Publications

European Web Survey on Drugs: an overview of the project

09.12.2022

This paper presents an overview of the European Web Survey on Drugs (EWSD), a project which began in 2016 with the aim of developing a system for collecting novel data from people who use drugs of value to the EMCDDA and its national partners.  This publication is published as part of a collection...

Publications

Combining web surveys and general population surveys to improve data on people who use drugs in France: reflections on recruitment strategies and the generalisability of results

22.11.2022

This paper looks at the implementation and recruitment strategies of the 2016 European Web Survey on Drugs (EWSD) in France. It also explores the possibility of generalising the EWSD results by using a matching procedure that links EWSD respondents with respondents of the 2017 general population...

Publications

Results and challenges of running the Web Survey on Drugs in Luxembourg: a major contribution to understanding the drug situation

03.11.2022

This paper shows how the second wave of the European Web Survey on Drugs (EWSD) led to a better understanding of the drug situation in Luxembourg. Until the EWSD, detailed information on the drug situation in Luxembourg was very limited, with only a few surveys, often small-scale, having been...

Publications

The Global Cannabis Cultivation Research Consortium (GCCRC): a transnational online survey of cannabis growers

22.07.2022

This paper presents some of the key findings of an innovative online survey of cannabis growers in Europe, Australia and North America. The International Cannabis Cultivation Questionnaire (ICCQ) present generated important findings about cannabis cultivation, along with policy insights and...

Publications

Web surveys as a method for collecting information on patterns of drug use and supply

28.06.2022

This paper provides a narrative review of the existing literature around online survey methods and their specific application in the area of illicit drug use. A search of relevant databases (Google Scholar, EBSCO, ProQuest) was conducted in order to gather information relating to the main...

Publications

ALAMA-nightlife survey:designing a survey to explore drug use trajectories in the European nightlife scene

28.06.2022

Given the lack of contemporary longitudinal data that acknowledges recent market developments, there is an urgent need to develop and validate methods to investigate the relationship between drug use and engagement with the nightlife scene in Europe. This paper presents one of the research projects...

Publications

Comparing two approaches for estimating cannabis consumption: raking and regression

28.06.2022

This chapter explores two methods of bringing together the complementary strengths of general population surveys (GPS) and web surveys to develop improved estimates of overall quantities of drugs consumed — namely, raking and regression. Raking re-weights responses to a web survey in an attempt to...

Publications

Sources of cannabis acquisition by country and frequency of use in the European web survey on drugs

28.06.2022

This paper analyses the data collected in the European Web Survey on Drugs (EWSD) on the sources of supply for herbal cannabis and cannabis resin and their relationship to frequency of use. It does so by using data collected from the 16 countries that participated in the first two waves of the...

Publications

Complexity and differentiation of the MDMA retail market: insights from the European Web Survey on Drugs

28.06.2022

This paper focuses on exploring the characteristics of MDMA users in the European Web Survey on Drugs (EWSD), studying intensity of use and patterns of buying behaviours, with specific attention given to comparing the use of MDMA in tablet form (ecstasy) and in the form of powder/crystals. This...

Publications

Using the Global Drug Survey for harm reduction

28.06.2022

The data from the Global Drug Survey (GDS) contains invaluable information that can answer key and novel questions related to the epidemiology of psychoactive substance use as well as inform the development of pragmatic harm reduction resources that put people first. This paper looks at the history...

Publications

Utilising an online survey to monitor methamphetamine availability, prices and supply: involvement of organised crime in New Zealand

28.06.2022

Drawing on data from the New Zealand Drug Trends Survey (NZDTS), related to methamphetamine supply in New Zealand, this chapter shows how web surveys can be used to provide timely data on evolving local and national issues in the drugs field. Specifically, the chapter presents selected findings...

Publications

The potential for using web surveys to investigate drug sales through cryptomarkets on the darknet

28.06.2022

This paper considers two different ways in which web surveys might be used to provide insights concerning those people who purchase drugs on cryptomarkets. First, data from the second wave of the European Web Survey on Drugs (EWSD) are analysed with a view to identifying differences between...

Publications

Monitoring drug use in the digital age: studies in web surveys (Insights 26)

28.06.2022

This collection of papers (Insights 26) aims to demonstrate the significant role that web surveys can play in drug data collection. Contributions from a diverse range of experts, who have conducted web surveys across local, national and international levels, show the breadth of such surveys...

Publications

Prison and drugs in Europe: current and future challenges

25.06.2021

This publication provides an overview of current knowledge and the latest developments in the field of drug use and prison in Europe. The report explores in depth the epidemiology of drug use and drug-related problems among the prison population, the available social and health service responses to...

Publications

Drug treatment expenditure: a methodological overview

18.10.2017

It is estimated that over 1 million people receive treatment for drug-related problems in the European Union every year. With shrinking public budgets, increasing pressure on health systems, changes in the drugs used and the need to provide on-going care to chronic cases, what is the real cost of...

Publications

Hepatitis C among drug users in Europe: epidemiology, treatment and prevention

28.07.2016

Hepatitis C among drug users in Europe: epidemiology, treatment and prevention provides a timely contribution to raising awareness of the hepatitis C epidemic in Europe and the opportunities now opening up to tackle this problem decisively. A state-of-the-art review of the epidemiology of hepatitis...

Publications

Assessing illicit drugs in wastewater: advances in wastewater-based drug epidemiology

15.03.2016

Assessing illicit drugs in wastewater: advances in wastewater-based drug epidemiology reviews a new approach to estimating drug use in populations, based on the detection and quantification of drugs and their metabolic products in community wastewater. Strengths of the wastewater-based approach...

Publications

The internet and drug markets

11.02.2016

The last decade has seen the emergence of new internet technologies that have acted as important facilitators of online drug markets. The internet now hosts a range of virtual marketplaces (both on the surface and deep web) for selling and buying illicit substances, as well as representing a new...

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