Alcohol Use in Past Month, by Gender and Grade Level

Year(s): 2015-2017

Contra Costa CountyPercent
FemaleMale
Grade Level0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days0 Days1 Day2 Days3-9 Days10-19 Days20-30 Days
7th Grade95.0%3.4%0.8%0.6%0.0%0.2%95.9%2.9%0.5%0.5%0.1%0.1%
9th Grade86.2%7.7%2.6%2.1%0.9%0.6%91.6%4.5%1.9%1.4%0.3%0.4%
11th Grade74.9%11.2%6.5%5.5%1.0%0.8%78.5%8.2%5.7%5.2%1.3%1.2%
Non-TraditionalSSSSSSSSSSSS