Adolescent BehaviorFamily TherapyParent-Child RelationsSubstance-Related DisordersPrevalenceAdolescent PsychologyBehavior, AnimalFeeding BehaviorAdolescent DevelopmentCross-Sectional StudiesAdolescent Health ServicesHealth BehaviorSexual BehaviorSocial BehaviorQuestionnairesRisk FactorsAge FactorsSex FactorsRisk-TakingBehaviorAdolescent MedicineUnited StatesPeer GroupChild BehaviorAdolescent PsychiatryLongitudinal StudiesAdolescent Nutritional Physiological PhenomenaSocioeconomic FactorsSexual Behavior, AnimalHealth SurveysChild Behavior DisordersSmokingExploratory BehaviorSchoolsParentsUrban PopulationObesityBrazilAggressionMotor ActivityBehavior TherapyMaternal BehaviorLogistic ModelsParentingStudentsSex DistributionAlcohol DrinkingSocial EnvironmentAge DistributionPregnancy in AdolescenceBody Mass IndexInterpersonal RelationsTime FactorsRural PopulationFriendsHIV InfectionsSelf-Injurious BehaviorCohort StudiesDepressionStereotyped BehaviorAnalysis of VarianceSelf ConceptSocial Behavior Disorders