of alcohol and if endorsed sipping alcoholAlcohol (first sip)Cannabis low-level useCannabis low level use (first puff or taste of marijuana)If heard of cannabis and if endorsed puff or tasteCannabis (first puff or taste)Nicotine low-level useNicotine low-level use (first puff nicotine, first dip smokeless tobacco)If heard of nicotine and if endorsed puff or dipNicotine (first use of cigarette, e-cigarette or smokeless tobacco) Factors Impacting Substance Use RiskIntention to Use (Hyland et al., 2016) +Extent that youth are curious about or intent to use substancesIf heard of alcohol, nicotine and/or cannabis, but have not initiated useAlcohol, cannabis, nicotinePeer Substance Use (Johnston et al., 2017) *,^Youth reports substance use in their peer groupFor each question, if heard of substanceAlcohol, cannabis, cigarettes, e-cigarettes, inhalants, other drugs (e.g., cocaine, downers, LSD)Peer Tolerance (Johnston et al., 2017) ^Youth’s report on their peer’s tolerance of substance useFor each question, if heard of substanceAlcohol, cannabis, cigarettes, e-cigarettes, smokeless tobacco, inhalants, and prescription drugs, cocaine, heroin or methamphetaminePerceived Harm (Johnston et al., 2017) ^Youth’s report on perceived harm of various substancesFor each question, if heard of substanceAlcohol, cannabis, cigarettes, e-cigarettes, smokeless tobacco, inhalants, and prescription drugs, cocaine, heroin or methamphetamineAEQ-AB (Stein et al., 2007) *Youth’s expectancies about alcoholIf heard
