In a hospital emergency department , 2,127 sexually active 14 - to 20-year-olds ( 61 % female ) reported on past-year alcohol use severity ( using the Alcohol Use Disorders Identification Test-consumption [ AUDIT-C ] ) , cannabis use , PDM ( n = 422 ) , and SRBs ( inconsistent condom use , multiple partners , intercourse following alcohol/other drug use ) .