Logistic ModelsUnited States Federal Trade CommissionEarly Termination of Clinical TrialsSocioeconomic FactorsCross-Sectional StudiesUnited StatesRisk FactorsLongitudinal StudiesRegression AnalysisHealth SurveysQuestionnairesVeterinary MedicineModels, StatisticalEducational StatusOdds RatioAge FactorsClinical Trials, Phase II as TopicPrevalenceSex FactorsMultivariate AnalysisAlcohol DrinkingModels, EconometricUrban PopulationHealth StatusContraception BehaviorCohort StudiesLikelihood FunctionsChoice BehaviorConfidence IntervalsPovertyAdolescent BehaviorSmokingSubstance-Related DisordersFamily CharacteristicsBrazilLinear ModelsHealth Care SurveysAlgorithmsDemographyResidence CharacteristicsProspective StudiesInterviews as TopicProbabilityPregnancyThinnessAfrican AmericansStatistics as TopicOverweightSocial ClassPatient Acceptance of Health CareData Interpretation, StatisticalHispanic AmericansSelf ReportHealth Knowledge, Attitudes, PracticeComorbidityRisk-TakingEthnic GroupsContinental Population GroupsBody Mass IndexEuropean Continental Ancestry GroupDepressionRetrospective StudiesSexual BehaviorAlcohol-Related DisordersRural PopulationParentsHealth BehaviorFinlandLeisure ActivitiesFollow-Up StudiesIncomeViolenceSex DistributionMexicoMental DisordersObesityInsurance, HealthHealth Services AccessibilitySexual PartnersComputer SimulationAlcoholismData CollectionBayes TheoremPeer GroupInfant, NewbornResearch DesignRisk AssessmentIndiaSocial SupportPrenatal CareParent-Child RelationsModels, GeneticSeverity of Illness IndexPredictive Value of TestsSchoolsModels, TheoreticalTime FactorsEmploymentActivities of Daily LivingCluster Analysis