National Longitudinal Study of Adolescent HealthLongitudinal StudiesHealth BehaviorAdolescent BehaviorViolenceAdolescent Health ServicesHealth StatusAdolescent PsychologyHealth SurveysUnited StatesPublic HealthHealth PromotionRisk-TakingDelivery of Health CarePeer GroupDangerous BehaviorMental HealthSocioeconomic FactorsAttitude to HealthSex FactorsCrime VictimsSexual BehaviorQuestionnairesHealth PolicyNight TerrorsWeaponsAdolescent MedicineJuvenile DelinquencySubstance-Related DisordersSomnambulismLogistic ModelsCross-Sectional StudiesAlcohol DrinkingHealth Care ReformHealth Knowledge, Attitudes, PracticeAggressionInterpersonal RelationsHealth Services AccessibilityPrevalenceHealth EducationAge FactorsFriendsHealthHealth Care SurveysSchoolsBehavior, AnimalRisk FactorsPrimary Health CareHealth Status DisparitiesParent-Child RelationsAfrican AmericansSmokingHealth Services Needs and DemandResidence CharacteristicsHealth PlanningHealth ServicesEducational StatusFeeding BehaviorSocial EnvironmentQuality of Health CareOral HealthDepressionInsurance, HealthHealth PersonnelWorld HealthObesityCoitusHealth Services ResearchPatient Acceptance of Health CareRegression AnalysisNational Health ProgramsSocial SupportUrban PopulationSleep Arousal DisordersFamily CharacteristicsHealth ExpendituresEuropean Continental Ancestry GroupBody Mass IndexSelf ConceptMultivariate AnalysisAdolescent DevelopmentOccupational HealthPublic Health AdministrationSexually Transmitted DiseasesSocial BehaviorCrimeSexual PartnersEnvironmental HealthRural HealthStudentsWomen's HealthPersonal SpaceParentingMental DisordersUrban HealthInterviews as TopicLoveMental Health ServicesSiblingsSocial Class