The “real” number of Washington State adolescents using marijuana, and why: A misclassification analysis

10/26/18–Approximately 12% of Washington adolescents claimed to have used marijuana in the past 30 days. Estimates indicate this figure is likely closer to 18%. Determinants of use included use of other substances, gender, age, and measures of deviant social influences, personality/attitude, school and family bonds, bullying, and acquisition ease, while determinants of misreporting included use of other substances, gender, parental education, and family bonds. Failing to control for misreporting considerably underestimates the prevalence of marijuana use among adolescents. Read