biostudies-literatureMartz MENational Institute on Alcohol Abuse and AlcoholismNIDA NIH HHSNIAAA NIH HHSNational Institutes of Health100037https://www.ebi.ac.uk/biostudies/studies/S-EPMC9015678biostudies-literatureUnknown3<h4>Background</h4>Although a relatively large body of research has identified multiple factors associated with adolescent substance use, less is known about earlier substance-related factors during preadolescence, including curiosity to use substances. The present study examined individual-, peer-, and parent-level domains pertaining to substance use and how these domains vary by sociodemographic subgroups and substance type.<h4>Methods</h4>Participants were 11,864 9- and 10-year-olds from the baseline sample of the Adolescent Brain Cognitive Development (ABCD) Study. Youth-reported measures were curiosity to use substances and perceived peer substance use. Parent-reported measures were availability of and rules about substances. Generalized logistic mixed models (GLMM) were used to compaDrug and alcohol dependence reportsIndividual-, peer-, and parent-level substance use-related factors among 9- and 10-year-olds from the ABCD Study: Prevalence rates and sociodemographic differences.PMC9015678U01 DA041117L30 DA054523U24 DA041147U01DA041106U01DA041028U01DA041148U01DA041048U01DA041025U01DA041089U01DA041022K01 AA027558U01DA041120U01DA050987U01DA050988U01DA050989U01DA051039U01DA051038U01DA051016U01DA051018K23 DA054212U01DA051037K01 027558U01DA041117U24DA041147U24DA041123U01DA041156U01DA041134U01DA041174U01DA041093Madden PALisdahl KMGonzalez RMartz MEEwing SWFHeitzeg MMCloak CCThompson WKHaist FRoss JMLeBlanc KHTapert SFSher KJWade NEfalseIndividual-, peer-, and parent-level substance use-related factors among 9- and 10-year-olds from the ABCD Study: Prevalence rates and sociodemographic differences.<h4>Background</h4>Although a relatively large body of research has identified multiple factors associated with adolescent substance use, less is known about earlier substance-related factors during preadolescence, including curiosity to use substances. The present study examined individual-, peer-, and parent-level domains pertaining to substance use and how these domains vary by sociodemographic subgroups and substance type.<h4>Methods</h4>Participants were 11,864 9- and 10-year-olds from the baseline sample of the Adolescent Brain Cognitive Development (ABCD) Study. Youth-reported measures were curiosity to use substances and perceived peer substance use. Parent-reported measures were availability of and rules about substances. Generalized logistic mixed models (GLMM) were used to compa2022-01-01T00:00:00Z2022 Jun2026-05-09T19:46:59.066Z2025-02-19T02:23:50.67ZS-EPMC90156783544522010.1016/j.dadr.2022.100037