Substance-Related DisordersAdolescent BehaviorPsychotherapy, GroupDiagnosis, Dual (Psychiatry)Marijuana AbusePeer GroupAlcoholismMarijuana SmokingFriendsSubstance Abuse Treatment CentersTreatment OutcomeSocial FacilitationCognitive TherapyLongitudinal StudiesAdolescent DevelopmentParent-Child RelationsChild of Impaired ParentsAlcohol DrinkingMotivationJuvenile DelinquencyInternal-External ControlSocial EnvironmentParentingConduct DisorderAdolescent PsychologyFamily TherapyFollow-Up StudiesRisk-TakingSmokingSex FactorsFamilyModels, PsychologicalRisk FactorsRural PopulationUnited StatesInterpersonal RelationsStreet DrugsAge FactorsQuestionnairesCocaine-Related DisordersSubstance PDemographyOutcome Assessment (Health Care)Socioeconomic FactorsComorbiditySchoolsPrevalenceCross-Sectional StudiesAdolescent Health ServicesBehavior TherapyMental DisordersResidential TreatmentSexual BehaviorStudentsPsychiatric Status Rating ScalesAdolescent MedicinePregnancy OutcomeProspective StudiesViolenceTime FactorsLogistic ModelsParentsDiagnostic and Statistical Manual of Mental DisordersDepressionAntisocial Personality DisorderAlcohol-Related DisordersCrime VictimsRetrospective StudiesSocial IdentificationHealth SurveysAdolescent PsychiatryFamily RelationsPregnancy in AdolescenceCohort StudiesAdolescent Nutritional Physiological PhenomenaSeverity of Illness IndexAdaptation, PsychologicalOpioid-Related DisordersHomeless YouthInterview, PsychologicalAfrican AmericansUrban PopulationSelf ReportCrimePregnancyBehavior, AddictiveHispanic AmericansSuicide, AttemptedSocial SupportAnxiety DisordersDepressive DisorderChild AbuseRegression AnalysisSelf ConceptAttention Deficit Disorder with HyperactivityMood DisordersData CollectionMultivariate AnalysisPsychometricsCriminals