Substance UsePLUS form (Brown et al., 2015) *Hours since last use of caffeine or prescription medication (up to 24 h)NoneCaffeine, OTC, prescription medications Factors Impacting Substance Use RiskAvailability of Substances (Johnston et al., 2017) ^Parent reports how easily youth may access substances in their environment.NoneAlcohol, cannabis, cigarettes, e-cigarettes, other drugs (e.g., cocaine, LSD or amphetamines), medical cannabisParent Rules (Arthur et al., 2007)Parental rules on drinking, cigarettes, and cannabis useNoneAlcohol, cannabis, nicotineNotes: Gating means certain questions must be answered positively or negatively in order for the youth to receive that question. OTC = over the counter; AEQ-AB = Alcohol Expectancy Questionnaire- Adolescent, Brief; MEEQ-B = Marijuana Effect Expectancy Questionnaire- Brief; ASCQ = Adolescent Smoking Consequences Questionnaire; SRE = Self-Rating of the Effects of Alcohol; HSS = Hangover Symptom Scale; RAPI = Rutgers Alcohol Problem Index; MPI = Marijuana Problem Index; DPI = Drug Problem Index. “All drug categories” include alcohol, cannabis and cannabinoids (smoked cannabis, edible cannabis, cannabis concentrations, cannabis-infused alcohol, cannabis tinctures, synthetic cannabinoids), nicotine (tobacco cigarettes, electronic cigarettes, smokeless tobacco, cigars, hookah, tobacco pipe, nicotine replacement), cocaine or crack cocaine, cathinones, methamphetamine, MDMA (ecstasy), ketamine, gamma hydroxybutyrate, heroin, hallucinogens (lysergic acid diethylamide, phencyclidine, peyote, mescaline, N-dimethyltryptamine, alpha-methyltryptamine, or 5-methoxy-N,N-diisopropyltryptamine),
