TY  - JOUR
PY  - 2023//
TI  - Recreational marijuana legalization, local retail availability, and alcohol and marijuana use and co-use among California high school students
JO  - Journal of studies on alcohol and drugs
A1  - O'Hara, Sharon E.
A1  - Paschall, Mallie J.
A1  - Grube, Joel W.
SP  - ePub
EP  - ePub
VL  - ePub
IS  - ePub
N2  - OBJECTIVE: This study examined whether recreational marijuana legalization (RML) and local retail availability were associated with marijuana and alcohol use and co-use among adolescents. <br><br>METHOD: We investigated associations between RML and past 30-day marijuana and alcohol use and co-use, and moderating effects of retail availability of marijuana and alcohol, using data from the 2010-11 to 2018-19 California Healthy Kids Surveys (CHKS) of 9(th) and 11(th) grade students in 38 California cities. Multi-level mixed-effects logistic regression analyses were conducted, controlling for secular trends and student and city demographics. Additional analyses examined associations of RML and retail availability with co-use among subgroups of drinkers and marijuana users. <br><br>RESULTS: For the full sample, RML was inversely associated with alcohol use, but was not significantly associated with marijuana use or co-use with alcohol. However, significant interactions between RML and marijuana outlet density showed there were increases in marijuana and alcohol co-use and alcohol following legalization in cities with higher densities of marijuana outlets. RML was positively associated with co-use among non-heavy and heavy drinkers, but inversely related to co-use among occasional and frequent marijuana users. A significant positive interaction between RML and marijuana outlet density indicated that RML was associated with increases in co-use for occasional marijuana users in cities with higher densities of marijuana outlets. <br><br>CONCLUSIONS: RML was associated with increases in marijuana and alcohol co-use and alcohol use among California high school students, particularly those in cities with higher densities of retail cannabis stores, though this varied across alcohol and marijuana use subgroups.<p />  <p>Language: en</p>
LA  - en
SN  - 1937-1888
UR  - http://dx.doi.org/10.15288/jsad.22-00277
ID  - ref1
ER  -