Drove When They Had Been Drinking Alcohol
(in a car or other vehicle, one or more times during the 30 days before the survey, among students who had driven a car or other vehicle during the 30 days before the survey)
Iowa, High School Youth Risk Behavior Survey, 2017
2017 | 6.5 (4.1–10.2) 1,096 | 4.8 (3.2–7.2) 545 | 7.7 (4.4–13.1) 547 |