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Documents disponibles écrits par cet auteur (14)
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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[...]
C. HENQUET ; KRABBENDAM L. ; R. DE GRAAF ; M. TEN HAVE ; J. VAN OS | 2006
Dans Journal of Affective Disorders (Vol.95, n°1-3, October 2006) Article : PériodiqueENGLISH : BACKGROUND: Cannabis use is common in patients with bipolar disorder, however little is known about cannabis as a risk factor for mania. In order to investigate the association between exposure to cannabis and subsequent development [...]
J. VAN OS ; M. BAK ; HANSSEN M. ; R. V. BIJL ; R. DE GRAAF ; H. VERDOUX | 2002
Dans American Journal of Epidemiology (Vol.156, n°4, August 2002) Article : PériodiqueENGLISH : Cannabis use may increase the risk of psychotic disorders and result in a poor prognosis for those with an established vulnerability to psychosis. A 3-year follow-up (1997-1999) is reported of a general population of 4,045 psychosis-[...]
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[...]
Aims: To investigate the hypothesis that changes in cannabis prevalence among Dutch secondary school students (aged 12-17 years) were paralleled by shifts in the age of first cannabis use. Design and participants: Data were derived from five wav[...]
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[...]
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[...]
R. DE GRAAF ; R. V. BIJL ; F. SMIT ; W. A. M. VOLLEBERGH ; SPIJKER J. | 2002
Dans American Journal of Psychiatry (Vol.159, n°4, April 2002) Article : PériodiqueObjective: This study examined risk factor profiles of pure and comorbid 12-month mood, anxiety, and substance use disorder in the general population. Method: Data were derived from the Netherlands Mental Health Survey and Incidence Study, a pro[...]
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[...]
Aims: To determine the course of alcohol use disorders (AUD) in a prospective general population study using three different classification systems: Diagnostic and Statistical Manual version IV (DSM-IV), International Classification of Diseases [...]
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[...]
