Logistic ModelsRisk FactorsOdds RatioCase-Control StudiesCross-Sectional StudiesAmnesiaPrevalenceRetrospective StudiesArnold-Chiari MalformationCohort StudiesProspective StudiesSocioeconomic FactorsAge FactorsUnited StatesRisk AssessmentSex FactorsPredictive Value of TestsConfidence IntervalsSmokingROC CurveTime FactorsPregnancyTreatment OutcomeFollow-Up StudiesHealth SurveysSeverity of Illness IndexChi-Square DistributionChinaIncidenceInfant, NewbornPrognosisComorbidityEducational StatusLongitudinal StudiesBody Mass IndexEpidemiologic MethodsGenotypeRiskGenetic Predisposition to DiseaseEuropean Continental Ancestry GroupJapanAfrican AmericansRural PopulationSex DistributionPolymorphism, Single NucleotideAge DistributionHospital MortalityResidence CharacteristicsHealth StatusUrban PopulationAlcohol DrinkingSocial ClassSensitivity and SpecificityRegistriesBrazilDemographyHealth Knowledge, Attitudes, PracticeBiological MarkersHispanic AmericansHIV InfectionsModels, StatisticalEthnic GroupsTaiwanObesityData CollectionAsian Continental Ancestry GroupBreast NeoplasmsPolymorphism, GeneticReproducibility of ResultsCaliforniaConfounding Factors (Epidemiology)Interviews as TopicPatient Acceptance of Health CareStrokeHospitalizationHealth BehaviorParityProbabilitySexual BehaviorCanadaAppalachian RegionSelf ReportNetherlandsDepressionHealth Services AccessibilityPostoperative ComplicationsSpainItalyMarital StatusGermanyHealth Care SurveysMass ScreeningLife StyleLinear ModelsOccupational DiseasesIndiaFamily CharacteristicsSubstance-Related DisordersAnalysis of VariancePopulation Surveillance