Cohort StudiesResearchProspective StudiesRisk FactorsResearch DesignResearch Support as TopicRetrospective StudiesEthics, ResearchResearch PersonnelFollow-Up StudiesIncidenceNursing ResearchUnited StatesLongitudinal StudiesQuestionnairesHealth Services ResearchProportional Hazards ModelsTime FactorsRisk AssessmentTranslational Medical ResearchTreatment OutcomePregnancyGenetic ResearchAge FactorsInfant, NewbornDenmarkGreat BritainMultivariate AnalysisRiskLogistic ModelsSex FactorsNeoplasmsEpidemiologic MethodsOdds RatioNetherlandsClinical Nursing ResearchCase-Control StudiesPrognosisSmokingPrevalenceSocioeconomic FactorsSwedenRegistriesSeverity of Illness IndexHIV InfectionsBody Mass IndexConfidence IntervalsCommunity-Based Participatory ResearchRegression AnalysisDental ResearchPredictive Value of TestsQualitative ResearchJapanReproducibility of ResultsBehavioral ResearchComorbidityCardiovascular DiseasesCause of DeathCross-Sectional StudiesDatabases, FactualCohort EffectHuman ExperimentationHospitalizationBiological MarkersOutcome Assessment (Health Care)Survival AnalysisAge DistributionSex DistributionOccupational DiseasesLinear ModelsPatient SelectionMortalityBirth WeightConfounding Factors (Epidemiology)Data CollectionDietInformed ConsentHealth StatusDisease ProgressionNorwayStrokeKaplan-Meier EstimateFinlandCanadaObesityEuropean Continental Ancestry GroupEducational StatusSurvival RateEuropeAlcohol DrinkingChi-Square DistributionNational Institutes of Health (U.S.)Epidemiologic Research DesignOccupational ExposureSocial ClassBrazilEmpirical ResearchChronic DiseaseGenotypeClinical Trials as Topic