Abstract Aims: To assess correlations and agreement between Timeline Follow-Back (TLFB)-assisted self-report and blood samples for cannabis use. Design: Secondary analysis of a randomized trial
Filed in Evidence Base, cannabis
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Also tagged capopus, copenhagen, correlations, days-as-cutoff, preceding, providing-239, receiver, standard-joints, timeline, tlfb
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Thursday, August 18, 2011
Abstract Aims To investigate the association between early cannabis use and subclinical psychotic experiences, distinguishing between five levels of use: never used, discontinued use (lifetime users who did not use in the preceding year), experimental use, regular use and heavy use. Design cross-sectional observational study Setting Dutch Health Behaviour in School-aged Children (HBSC) study, 2005 wave Participants 4552 secondary school children aged 12-16 years Measurements Cannabis Use, CAPE Positive Scale, confounding factors: age, gender, family affluence, household composition, social support, alcohol use, cigarette smoking, ethnicity and urbanicity. Findings The association between cannabis use and subclinical positive symptoms was confirmed, and remained significant after extensive adjustment for potential confounders
Filed in Evidence Base, cannabis
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Also tagged 4552-secondary, after-extensive, association, discontinued, dutch-health, lifetime-users, positive-scale, preceding, social-support, the-association
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Aims To examine the importance of family management, family structure and father[ndash]adolescent relationships on early adolescent alcohol use.Design Cross-sectional data was collected across 30 randomly selected Australian communities stratified to represent a range of socio-economic and regional variation.Setting Data were collected during school time from adolescents attending a broad range of schools.Participants The sample consisted of a combined 8256 students (aged 10[ndash]14 years).Measurements Students completed a web-based survey as part of the Healthy Neighbourhoods project.Findings Family management[mdash]which included practices such as parental monitoring and family rules about alcohol use[mdash]had the strongest and most consistent relationship with alcohol use in early adolescence.
Tuesday, February 9, 2010
Aims To determine the comparative levels of violent offending and victimization among regular methamphetamine and heroin users.Design Cross-sectionalSetting Sydney, Australia.Participants A total of 400 regular methamphetamine (METH) and heroin (HER) users (118 methamphetamine users: METH; 161 regular heroin users: HER; 121 regular users of both: BOTH).Findings Eighty-two per cent reported a life-time history of committing violent crime, 41% in the past 12 months. There were no group differences in life-time violence, but the METH group were significantly more likely than the HER group to have committed violence in the past 12 months (odds ratio 1.94)
Filed in Evidence Base
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Also tagged among-regular, comparative, cross-sectional, heroin-users, increased-risk, meth, past, preceding, setting-sydney, sydney, violent-crime
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