Marijuana use and intoxication among daily users: an intensive longitudinal study.

ABSTRACT:

Background

Most of the harm from marijuana use is experienced by daily users. Despite this, there has not been a detailed prospective description of daily marijuana use.

Methods

We recruited daily marijuana users (n=142) by internet ads, Craigslist, flyers, etc. Participants were mostly women (58%) with a mean age of 33 and 47% were minorities. Participants called an Interactive Voice Response phone system to report marijuana and other drug use daily for 3months.

Results

Participants averaged using marijuana 3.2 times per day. Almost all participants used multiple modes of delivery during the study. Bongs/vaporizers/pipes were the most common mode of use (45% of uses). Day-to-day variability in amount of use was relatively small. The median rating of intoxication was

SUBMITTER: Hughes JR 

PROVIDER: S-EPMC4101026 | biostudies-literature | 2014 Oct

REPOSITORIES: biostudies-literature