Subgroup trends in alcohol and cannabis co-use and related harms during the rollout of recreational cannabis legalization in Washington state

The US state of Washington legalized recreational cannabis in 2012; how this impacted the co-use of cannabis and alcohol in the population overall and among key subgroups has not been examined. The aim of this study is to investigate changes in patterns of alcohol- and cannabis use and alcohol-relat...

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Bibliographic Details
Published in:The International journal of drug policy 2020-01, Vol.75, p.102508, Article 102508
Main Authors: Subbaraman, Meenakshi S., Kerr, William C.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Alcohol
Alcohol Drinking - adverse effects
Alcohol Drinking - epidemiology
Alcohol use
Averages
Cannabis
Cannabis legalization
Co-use
Consumption
Cross-Sectional Studies
Drinks
Drug legalization
Drug policy
Employment
Ethnicity
Female
Home financing
Humans
Legalization
Legislation, Drug
Male
Marijuana
Marijuana Use - adverse effects
Marijuana Use - epidemiology
Marijuana Use - legislation & jurisprudence
Marital status
Middle Aged
Polls & surveys
Prevalence
Race
Recreation
Retail stores
Sex Factors
States
Surveys and Questionnaires
Trends
Washington
Washington - epidemiology
Young Adult
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Summary:The US state of Washington legalized recreational cannabis in 2012; how this impacted the co-use of cannabis and alcohol in the population overall and among key subgroups has not been examined. The aim of this study is to investigate changes in patterns of alcohol- and cannabis use and alcohol-related harms during the rollout of retail recreational cannabis stores. Data come from six cross-sectional samples recruited between January 2014-October 2016 via Random Digit Dial procedures (N = 5492). Survey-weighted multivariable regression adjusting for gender, age, race/ethnicity, education, employment, marital status, cannabis use, and survey year were used for statistical analyses. In the sample overall, no significant changes were observed in any alcohol use measures between 2014–2016, while the prevalence of cannabis use significantly (P 
ISSN:0955-3959
1873-4758
DOI:10.1016/j.drugpo.2019.07.003