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Eric Janssen

Biographic Data

ID281867
NAMEEric Janssen
GIVEN NAMESEric
FAMILY NAMEJanssen
SIGNATUREJANSSEN E
AFFILIATIONSInvisible Software (United States)
ORCID0000-0002-3820-9657
VERIFIEDYes
TOTAL WORKS9
TOTAL CITATIONS0
WORKS AS AUTHOR9
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2013
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Patterns and Determinants of Polystimulant Use Among Patients Seeking Treatment for Stimulant Use Disorders

    Eric Janssen, M Vuolo et al.•ARTICLE•Substance Use & Misuse•2026

    OBJECTIVE: To estimate the prevalence and identify factors associated with polystimulant use (2 or more stimulants during the past 30 d), a specific case of polysubstance use, among patients seeking treatment for stimulant use disorder (StUD). METHOD: = 60211, 21.7% females). We conducted multilevel logistic regression to assess sociodemographic and psychiatric factors as well as concurrent use of psychoactive substances on polystimulant use. RES…

  • Estimating the Prevalence and Correlates of Problematic Alcohol Use Among Patients Treated for Illicit Substance Disorder in France, 2012–2022

    Open Access•Eric Janssen, M Vuolo et al.•ARTICLE•Drug and Alcohol Review•2025

  • Correlates of Stimulant Use among People Who Use Heroin Undergoing Treatment in Out-Patient Facilities in France, 2010–2020

    Eric Janssen, Michael Vuolo•ARTICLE•Substance Use & Misuse•2024

    Background: Polydrug use has been implicated in driving a “fourth wave” of the overdose crisis in North America, specifically through concurrent use of stimulants and opioids, especially fentanyl. In France, however, heroin has historically been and remains the easiest-to-access opioid, accounting for most drug treatment demand. Whether similar polydrug use is increasing in Western Europe remains understudied, despite severe health implications a…

  • Using Crack or Smoking Cocaine, That Is the Question

    Open Access•M Vuolo, Eric Janssen et al.•ARTICLE•Deviant Behavior•2023•References: 50

    The label “crack user” is profoundly stigmatizing. Such labels are foundational to an individual’s identity, affecting how others view them, their self-perceptions, and subsequent behavior. Individuals can also resist labels such as “crack user,” creating distinctions for the same behavior. To elucidate characteristics associated with self-application of stigmatizing labels, we use data from individuals (N = 50,721) serviced for smoking cocaine i…

  • Estimating the size of crack cocaine users in France

    Open Access•Eric Janssen, Agnès Cadet-Taïrou et al.•ARTICLE•International Journal of Drug…•2020

  • Age of Initiation and Patterns of Use among People Who Inject Drugs Welcomed in Harm Reduction Facilities in France from 2006 to 2015

    Eric Janssen, Jalpa Shah et al.•ARTICLE•Journal of Psychoactive Drugs•2019

    This exploratory analysis of time-series cross-sectional data provides insights on trends in age at first injection among people who inject drugs in France, and on associations with recent risky injecting behaviors. Data were collected from a national survey conducted in harm reduction facilities in five phases between 2006 and 2015. Standardized questionnaires collected information on demographics, substance use, and route of administration, as …

  • Demografía y biografía

    Open Access•Eric Janssen•ARTICLE•Revista Trace•2018

  • Les pratiques d’écrans chez les collégiens

    Marcus Ngantcha, Eric Janssen et al.•ARTICLE•Agora débats/jeunesses•2016•References: 1

    Les nouvelles technologies (ordinateur, smartphone, tablette et console de jeux...) se sont ajoutées à la télévision et permettent de plus en plus aux adolescents d’être connectés sur Internet qui leur donne accès à divers contenus en tout lieu et quasiment sans interruption. Cette contribution vise à mieux quantifier le temps que les collégiens passent devant les divers types d’écrans et à interroger d’éventuelles associations entre la durée d’e…

  • Opposite social gradient for alcohol use and misuse among French adolescents

    Open Access•Stéphane Legleye, Eric Janssen et al.•ARTICLE•International Journal of Drug…•2013

No prominent works on this page.

  • Opposite social gradient for alcohol use and misuse among French adolescents

    Open Access•Stéphane Legleye, Eric Janssen et al.•ARTICLE•International Journal of Drug…•2013

  • Les pratiques d’écrans chez les collégiens

    Marcus Ngantcha, Eric Janssen et al.•ARTICLE•Agora débats/jeunesses•2016•References: 1

    Les nouvelles technologies (ordinateur, smartphone, tablette et console de jeux...) se sont ajoutées à la télévision et permettent de plus en plus aux adolescents d’être connectés sur Internet qui leur donne accès à divers contenus en tout lieu et quasiment sans interruption. Cette contribution vise à mieux quantifier le temps que les collégiens passent devant les divers types d’écrans et à interroger d’éventuelles associations entre la durée d’e…

  • Demografía y biografía

    Open Access•Eric Janssen•ARTICLE•Revista Trace•2018

  • Age of Initiation and Patterns of Use among People Who Inject Drugs Welcomed in Harm Reduction Facilities in France from 2006 to 2015

    Eric Janssen, Jalpa Shah et al.•ARTICLE•Journal of Psychoactive Drugs•2019

    This exploratory analysis of time-series cross-sectional data provides insights on trends in age at first injection among people who inject drugs in France, and on associations with recent risky injecting behaviors. Data were collected from a national survey conducted in harm reduction facilities in five phases between 2006 and 2015. Standardized questionnaires collected information on demographics, substance use, and route of administration, as …

  • Estimating the size of crack cocaine users in France

    Open Access•Eric Janssen, Agnès Cadet-Taïrou et al.•ARTICLE•International Journal of Drug…•2020

  • Using Crack or Smoking Cocaine, That Is the Question

    Open Access•M Vuolo, Eric Janssen et al.•ARTICLE•Deviant Behavior•2023•References: 50

    The label “crack user” is profoundly stigmatizing. Such labels are foundational to an individual’s identity, affecting how others view them, their self-perceptions, and subsequent behavior. Individuals can also resist labels such as “crack user,” creating distinctions for the same behavior. To elucidate characteristics associated with self-application of stigmatizing labels, we use data from individuals (N = 50,721) serviced for smoking cocaine i…

  • Correlates of Stimulant Use among People Who Use Heroin Undergoing Treatment in Out-Patient Facilities in France, 2010–2020

    Eric Janssen, Michael Vuolo•ARTICLE•Substance Use & Misuse•2024

    Background: Polydrug use has been implicated in driving a “fourth wave” of the overdose crisis in North America, specifically through concurrent use of stimulants and opioids, especially fentanyl. In France, however, heroin has historically been and remains the easiest-to-access opioid, accounting for most drug treatment demand. Whether similar polydrug use is increasing in Western Europe remains understudied, despite severe health implications a…

  • Estimating the Prevalence and Correlates of Problematic Alcohol Use Among Patients Treated for Illicit Substance Disorder in France, 2012–2022

    Open Access•Eric Janssen, M Vuolo et al.•ARTICLE•Drug and Alcohol Review•2025

  • Patterns and Determinants of Polystimulant Use Among Patients Seeking Treatment for Stimulant Use Disorders

    Eric Janssen, M Vuolo et al.•ARTICLE•Substance Use & Misuse•2026

    OBJECTIVE: To estimate the prevalence and identify factors associated with polystimulant use (2 or more stimulants during the past 30 d), a specific case of polysubstance use, among patients seeking treatment for stimulant use disorder (StUD). METHOD: = 60211, 21.7% females). We conducted multilevel logistic regression to assess sociodemographic and psychiatric factors as well as concurrent use of psychoactive substances on polystimulant use. RES…

Medicine (6 works) · Psychiatry (6 works) · Demography (4 works) · Demography (4 works) · Opioid Use Disorder Treatment (4 works) · Population (4 works) · Substance abuse (4 works) · Substance Abuse Treatment and Outcomes (4 works) · Art (3 works) · HIV, Drug Use, Sexual Risk (3 works)

Ethnos_APP • Open Source Project • MIT License • Frontend v2.0.0 • Privacy and Cookies • API Documentation: api.ethnos.app/docs • API Source Code: GitHub • DOI: 10.5281/zenodo.17049435 • Frontend Source Code: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae