to the NIMH Data Archive (NDA; https://data-archive.nimh.nih.gov/) (for further data sharing details, see https://abcdstudy.org/scientists_data_sharing.html and the ABCD Study overview paper included in this special issue).Table 1ABCD Substance Use Module Measures Overview (by Youth- and Parent-Administered Measures).Table 1Youth MeasuresConstructGatingDrugs CoveredLifetime and Recent Substance Use PatternsLifetime Use Interview (Lisdahl and Price, 2012)Lifetime patterns of use (ever used, lifetime quantity, first and regular use, length of abstinence)If heard of substanceAll drug categoriesWeb-based TLFB (Sobell and Sobell, 1996, Robinson et al., 2014)Past 6-month detailed patterns of substance use (baseline); during follow-up years, will cover time since last assessmentIf heard of substance and used in past 6 monthsAll drug categoriesPLUS form (Brown et al., 2015)*Hours since last use of nicotine, caffeine or prescription medication (up to 24 h)If used in lifetime; administered each sessionNicotine, caffeine, OTC, prescription medicationsSupplemental Beverage QuestionnaireAverage caffeine use per week during last 6 months, maximum caffeine doseIf heard of caffeinated beveragesCaffeineiSay Sip Inventory (Jackson et al., 2015)Alcohol low-level use (sipping)If heard 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,
