Aims. To examine:(i) the prevalence of cannabis use and DSM‐IV cannabis dependence
among Australian adults, and (ii) correlates of level of cannabis involvement. Design. Cross …

Aims Although previous twin studies have modeled the association between drug initiation
and abuse, none has included the obvious risk factor of drug availability. Our aim is to …

BACKGROUND: In the absence of a standardized cannabis unit, self-report instruments are
inadequate for accurate quantification of cannabis use. The study extends the feasibility of …

In this paper we estimate the risk of becoming cannabis dependent within 24 months after
first use of cannabis and examine subgroup variation in this risk. The study estimates are …

Aim: To examine dimensions of cannabis risk perception among users and non‐users.
Setting: University campus. Participants: Two hundred and thirty‐seven university students …

Background: Research into drug use initiation has focussed on drug use as risky behaviour.
Qualitative research suggests that a culturally derived set of beliefs about the positive effects …

The quantification method for collecting self-reported marijuana use data is not standardized
as it is for alcohol or cigarettes, which presents a methodologic challenge for marijuana use …

In a national survey conducted in 1994, 29.3% of all respondents reported that they had
used cannabis at least once, 7.3% reported using at least once during the year of the survey …

Background. Although cannabis is the most widely used illicit drug in the United States, few
recent American studies have examined the attributes of long-term heavy cannabis users …

Background: Population-based surveys demonstrate cannabis users are more likely to use
both illicit and licit substances, compared with non-cannabis users. Few studies have …