Marijuana Use in Past Month, by Gender and Grade Level

Year(s): 2017-2019

Contra Costa CountyPercent
FemaleMale
Grade Level0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days
Grade 798.1%0.9%0.5%0.3%0.1%0.2%98.3%0.6%0.2%0.4%0.2%0.3%
Grade 991.7%3.0%1.3%1.9%0.7%1.4%92.5%2.5%1.1%1.7%1.1%1.2%
Grade 1181.2%5.4%3.9%4.5%2.3%2.7%83.6%3.5%2.5%4.1%1.9%4.3%
Non-Traditional60.0%8.1%5.7%4.2%4.7%17.3%57.6%4.3%2.1%9.7%4.1%22.2%