Historique
Auteur P. VAN DER POL
Documents disponibles écrits par cet auteur (13)
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N. LIEBREGTS ; A. BENSCHOP ; P. VAN DER POL ; M. VAN LAAR ; R. DE GRAAF ; W. VAN DEN BRINK ; D. J. KORF | 2011
Dans Contemporary Drug Problems (Vol.38, n°1, Spring 2011) Article : PériodiqueIn a Dutch longitudinal study on the dynamics of cannabis dependence, at baseline 600 frequent cannabis users (> = 3 days cannabis use per week in past 12 months) aged 18-30 years were interviewed. Nearly half of all participants (42%) met DSM-I[...]
P. VAN DER POL ; N. LIEBREGTS ; T. M. BRUNT ; J. VAN AMSTERDAM ; R. DE GRAAF ; D. J. KORF ; W. VAN DEN BRINK ; M. VAN LAAR | 2014
Dans Addiction (Vol.109, n°7, July 2014) Article : PériodiqueBackground and Aims: Increased delta-9-tetrahydrocannabinol (THC) concentrations in cannabis may lead to higher THC exposure, cannabis dependence and treatment need, but users may also adapt the actual intake of THC through reduced inhalation of[...]
M. GRABSKI ; J. WALDRON ; T. P. FREEMAN ; C. MOKRYSZ ; R. J. J. VAN BEEK ; P. VAN DER POL ; B. HAUSPIE ; N. DIRKX ; J. SCHROOTEN ; T. H. ELGAN ; K. FELTMAN ; E. BENEDETTI ; G. SCALIA TOMBA ; F. FABI ; S. MOLINARO ; J. GRIPENBERG ; T. VAN HAVERE ; M. VAN LAAR ; H. V. CURRAN | 2022
Dans European Addiction Research (Vol.28, n°2, March 2022) Article : PériodiqueBACKGROUND: Monitoring emerging trends in the increasingly dynamic European drug market is vital; however, information on change at the individual level is scarce. In the current study, we investigated changes in drug use over 12 months in Europ[...]Nouveauté
M. VAN LAAR ; P. VAN DER POL ; R. NIESINK | 2016
Dans International Journal of Drug Policy (Vol.34, August 2016) Article : PériodiqueThe Netherlands has seen an increase in Delta9-tetrahydrocannabinol (THC) concentrations from approximately 8% in the 1990s up to 20% in 2004. Increased cannabis potency may lead to higher THC-exposure and cannabis related harm. The Dutch govern[...]
P. VAN DER POL ; N. LIEBREGTS ; R. DE GRAAF ; M. TEN HAVE ; D. J. KORF ; W. VAN DEN BRINK ; M. VAN LAAR | 2013
Dans Addiction (Vol.108, n°8, August 2013) Article : PériodiqueAims: To compare the prevalence of mental disorders between frequent cannabis users with and without dependence and the general population. Design: Cross-sectional comparison of interview data. Setting: Enriched community sample of frequent ca[...]
N. LIEBREGTS ; P. VAN DER POL ; R. DE GRAAF ; M. VAN LAAR ; W. VAN DEN BRINK ; D. J. KORF | 2015
Dans Journal of Youth Studies (Vol.18, n°5, 2015) Article : PériodiqueMany cannabis users 'mature out' of their drug use, and factors of cannabis use cessation have been identified. However, very little in-depth knowledge is available about the mechanisms underlying this phenomenon. Criminological studies have gai[...]
R. J. J. VAN BEEK ; M. BLANKERS ; M. KLEINJAN ; J. WALDRON ; M. GRABSKI ; T. FREEMAN ; V. CURRAN ; P. VAN DER POL ; M. VAN LAAR | 2024
Dans European Addiction Research (Vol.30, n°1, February 2024) Article : PériodiqueINTRODUCTION: Polydrug use patterns among young adults using ecstasy vary, as well as their willingness to change them. Polydrug use patterns are likely associated with different adverse health outcomes. It is unknown whether polydrug use patter[...]
P. VAN DER POL ; N. LIEBREGTS ; R. DE GRAAF ; D. J. KORF ; W. VAN DEN BRINK | 2013
Dans Drug and Alcohol Dependence (Vol.133, n°2, December 2013) Article : PériodiqueBackground: Frequent cannabis users are at high risk of dependence, still most (near) daily users are not dependent. It is unknown why some frequent users develop dependence, whereas others do not. This study aims to identify predictors of first[...]
D. VAN DER GOUWE ; T. M. BRUNT ; M. VAN LAAR ; P. VAN DER POL | 2017
Dans Addiction (Vol.112, n°4, April 2017) Article : PériodiqueBackground and aims: On-line drug markets flourish and consumers have high expectations of on-line quality and drug value. The aim of this study was to (i) describe on-line drug purchases and (ii) compare on-line with off-line purchased drugs re[...]
N. LIEBREGTS ; P. VAN DER POL ; M. VAN LAAR ; R. DE GRAAF ; W. VAN DEN BRINK ; D. J. KORF | 2015
Dans International Journal of Drug Policy (Vol.26, n°2, February 2015) Article : PériodiqueBackground: The link between leisure and cannabis use has been widely studied, but less so for young adults, and rarely with a focus on frequent cannabis use. Also, little is known about how changes in leisure develop over time and how they are [...]
N. LIEBREGTS ; P. VAN DER POL ; M. VAN LAAR ; R. DE GRAAF ; W. VAN DEN BRINK ; D. J. KORF | 2013
Dans Contemporary Drug Problems (Vol.40, n°4, Winter 2013) Article : PériodiqueIn a 3-year qualitative longitudinal study the role of social relationships in cannabis use and dependence in young adults (all frequent users at baseline) was explored. Overall, cannabis use and dependence declined. Changes in use were, for a c[...]
N. LIEBREGTS ; P. VAN DER POL ; M. VAN LAAR ; R. DE GRAAF ; W. VAN DEN BRINK ; D. J. KORF | 2013
Dans Frontiers in Psychiatry (Vol.4, 2013) Article : PériodiqueLife course theory considers events in study and work as potential turning points in deviance, including illicit drug use. This qualitative study explores the role of occupational life in cannabis use and dependence in young adults. Two and thre[...]
P. VAN DER POL ; N. LIEBREGTS ; R. DE GRAAF ; D. J. KORF ; W. VAN DEN BRINK ; M. VAN LAAR | 2013
Dans Addiction (Vol.108, n°10, October 2013) Article : PériodiqueAims: To assess the reliability and validity of self-reported cannabis dose and potency measures. Design: Cross-sectional study comparing self-reports with objective measures of amount of cannabis and delta-9-tetrahydrocannabinol (THC) concentr[...]
