2001
Application of the Method of Triads to Evaluate the Performance of Food Frequency Questionnaires and Biomarkers as Indicators of Long-term Dietary Intake
Kabagambe EK, Baylin A, Allan DA, Siles X, Spiegelman D, Campos H. Application of the Method of Triads to Evaluate the Performance of Food Frequency Questionnaires and Biomarkers as Indicators of Long-term Dietary Intake. American Journal Of Epidemiology 2001, 154: 1126-1135. PMID: 11744518, DOI: 10.1093/aje/154.12.1126.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueBiomarkersCarotenoidsCosta RicaEpidemiologic Research DesignFactor Analysis, StatisticalFatty AcidsFatty Acids, UnsaturatedFemaleHumansLycopeneMaleMental RecallMiddle AgedMinority GroupsNutrition SurveysReproducibility of ResultsSensitivity and SpecificitySurveys and QuestionnairesTime FactorsTocopherolsConceptsFood frequency questionnaireDietary intakeMethod of triadsFrequency questionnaireDietary recallsAdipose tissueLong-term dietary intakeFatty acidsUS minority groupsSuperior biomarkerPoor biomarkerTissue samplesBiomarkersIntakeMedian validity coefficientsTissueValidity coefficientsQuestionnaireSubjectsPast yearPlasmaTocopherolsWomen
1994
Clinical utility of chest auscultation in common pulmonary diseases.
Bettencourt PE, Del Bono EA, Spiegelman D, Hertzmark E, Murphy RL. Clinical utility of chest auscultation in common pulmonary diseases. American Journal Of Respiratory And Critical Care Medicine 1994, 150: 1291-1297. PMID: 7952555, DOI: 10.1164/ajrccm.150.5.7952555.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseCongestive heart failureInterstitial pulmonary fibrosisPulmonary diseaseMultiple logistic regression modelObstructive pulmonary diseaseCommon pulmonary conditionsCommon pulmonary diseasesLogistic regression modelsHeart failureRegression modelsPulmonary fibrosisLung diseasePulmonary conditionsChest auscultationClinical utilityCommon diseaseDiagnostic categoriesWave form analysisDiseaseSubjectsPneumoniaGroupFibrosisLungHuman adiposeα-tocopherol andγ-tocopherol kinetics during and after 1 y ofα-tocopherol supplementation
Handelman G, Epstein W, Peerson J, Spiegelman D, Machlin L, Dratz E. Human adiposeα-tocopherol andγ-tocopherol kinetics during and after 1 y ofα-tocopherol supplementation. American Journal Of Clinical Nutrition 1994, 59: 1025-1032. PMID: 8172086, DOI: 10.1093/ajcn/59.5.1025.Peer-Reviewed Original ResearchConceptsAlpha-tocopherol intakeAlpha-tocopherolGamma-tocopherolTocopherol/dLong-term useSupplement useTocopherol ratioNeedle biopsySupplementation periodSupplementation trialTocopherol supplementCross-sectional measurementsHuman AdiposeAdditional yearIntakeSupplementationConsistent decreaseSupplementsSubjectsBiopsyGammaTrials
1991
Cost-efficient study designs for binary response data with Gaussian covariate measurement error.
Spiegelman D, Gray R. Cost-efficient study designs for binary response data with Gaussian covariate measurement error. Biometrics 1991, 47: 851-69. PMID: 1789885, DOI: 10.2307/2532644.Peer-Reviewed Original ResearchConceptsStudy designValidation studyEpidemiologic cohort studiesOverall sample sizeExposure measurementsCohort studyOutcome ascertainmentRelative riskExposure measurement methodsSample of subjectsExposure variablesOptimal study designDisease frequencySample sizeInternal validation studyExposure assessmentValidation substudySubjectsPrimary investigationBest methodProportionSubstudyStudy