IncomeIncome TaxSocioeconomic FactorsPovertySocial ClassUnited StatesEducational StatusConcept FormationCross-Sectional StudiesCensusesResidence CharacteristicsHealth StatusHealth Status DisparitiesHealth SurveysFamily CharacteristicsDeveloping CountriesDeveloped CountriesQuestionnairesHealth Services AccessibilityEmploymentFinancing, PersonalRisk FactorsUrban PopulationHealth ExpendituresEconomicsLogistic ModelsBrazilPrevalenceMortalityInsurance, HealthPoverty AreasAfrican AmericansSex FactorsAge FactorsHealth Status IndicatorsTerminology as TopicEconomics, MedicalCanadaPublic AssistanceRegression AnalysisUrban HealthUnified Medical Language SystemCommerceRural PopulationDemographySocial JusticeData CollectionHealthcare DisparitiesEthnic GroupsSocial SecurityFood SupplySalaries and Fringe BenefitsEuropean Continental Ancestry GroupMarital StatusMedically UninsuredSocial WelfareSystematized Nomenclature of MedicineLongitudinal StudiesHousingMultivariate AnalysisInsurance CoverageInterviews as TopicHealth Knowledge, Attitudes, PracticeCosts and Cost AnalysisGross Domestic ProductInfant, NewbornCohort StudiesHispanic AmericansContinental Population GroupsSociology, MedicalSex DistributionHealth BehaviorOccupationsOdds RatioHealth Care SurveysWorld HealthCost of IllnessHealth Services Needs and DemandChinaVulnerable PopulationsUnemploymentCaliforniaHealth ServicesLife ExpectancyEligibility DeterminationSocial ConditionsMedical AssistanceInflation, EconomicSmokingMothersAttitude to HealthHealth PolicyAge DistributionLinear ModelsSelf ConceptTime FactorsSubject HeadingsHistory, 20th CenturyModels, EconometricDisabled Persons