Marital StatusHealth StatusMarriageQuestionnairesSocioeconomic FactorsNutritional StatusEducational StatusCross-Sectional StudiesUnited StatesRisk FactorsDivorceHealth SurveysSingle PersonSex FactorsAge FactorsLogistic ModelsWidowhoodSocial ClassStatus EpilepticusData CollectionHealth Knowledge, Attitudes, PracticePrevalenceHealth Status IndicatorsEmploymentIncomeDemographyPregnancyLongitudinal StudiesCohort StudiesSmokingAttitude to HealthHealth Care SurveysHealth BehaviorInterviews as TopicStress, PsychologicalMultivariate AnalysisHealth Status DisparitiesOdds RatioUrban PopulationRural PopulationAfrican AmericansResidence CharacteristicsProspective StudiesMortalityEuropean Continental Ancestry GroupRegression AnalysisAttitude of Health PersonnelTime FactorsCanadaFamily CharacteristicsFollow-Up StudiesInfant, NewbornEthnic GroupsBirth RatePatient Acceptance of Health CareAlcohol DrinkingDepressionContinental Population GroupsLife StyleSex DistributionSocial SupportRetrospective StudiesAge DistributionMalaysiaOccupationsIllegitimacyCaliforniaHealth Services AccessibilityNigeriaMothersConfidence IntervalsAttitudeActivities of Daily LivingChi-Square DistributionBody Mass IndexPovertySexual BehaviorSelf ReportBirth CertificatesMaternal AgeChinaSampling StudiesMental HealthParityQuality of LifeHispanic AmericansCase-Control StudiesPopulation SurveillanceBreast NeoplasmsFinlandJapanPregnancy in AdolescenceProportional Hazards ModelsPersonal SatisfactionPrognosisPhysiciansTreatment OutcomeEducationRisk AssessmentPrenatal Care