2024
Improving prediction of linear regression models by integrating external information from heterogeneous populations: James–Stein estimators
Han P, Li H, Park S, Mukherjee B, Taylor J. Improving prediction of linear regression models by integrating external information from heterogeneous populations: James–Stein estimators. Biometrics 2024, 80: ujae072. PMID: 39101548, PMCID: PMC11299067, DOI: 10.1093/biomtc/ujae072.Peer-Reviewed Original ResearchConceptsJames-Stein estimatorLinear regression modelsIndividual-level dataComprehensive simulation studyRegression modelsNumerical performanceSimulation studyShrinkage methodCoefficient estimatesPredictive meanReduced modelStudy population heterogeneityInternal modelEstimationStudy populationBlood lead levelsInternational studiesCovariatesPatella bonePublished literatureLead levelsExternal studiesSummary informationPopulationSubsets
2019
Urinary metals and metal mixtures in midlife women: The Study of Women's Health Across the Nation (SWAN)
Wang X, Mukherjee B, Batterman S, Harlow S, Park S. Urinary metals and metal mixtures in midlife women: The Study of Women's Health Across the Nation (SWAN). International Journal Of Hygiene And Environmental Health 2019, 222: 778-789. PMID: 31103473, PMCID: PMC6583796, DOI: 10.1016/j.ijheh.2019.05.002.Peer-Reviewed Original ResearchConceptsMultiple metalsMetal mixturesExposure to multiple metalsExposure patternsConcentrations of metalsExposure to metalsConsumption of seafoodHigh-resolution inductively coupled plasma mass spectrometryInductively coupled plasma mass spectrometryMeasured urinary concentrationsGeometric mean concentrationsMetal exposurePlasma mass spectrometrySeafood intakeUrinary metalsMean concentrationsRice intakeSeafoodUrinary concentrationsDetectable concentrationHigher exposuresGeographical characteristicsMercuryLead levelsMetal
2011
Lead exposure and visual-motor abilities in children from Chennai, India
Palaniappan K, Roy A, Balakrishnan K, Gopalakrishnan L, Mukherjee B, Hu H, Bellinger D. Lead exposure and visual-motor abilities in children from Chennai, India. NeuroToxicology 2011, 32: 465-470. PMID: 21510976, PMCID: PMC3115626, DOI: 10.1016/j.neuro.2011.03.011.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsBiomarkersChildChild BehaviorChild DevelopmentChild, PreschoolCross-Sectional StudiesDeveloping CountriesEnvironmental ExposureEnvironmental PollutantsFemaleHumansIndiaLeadLead Poisoning, Nervous System, ChildhoodLinear ModelsMaleNeuropsychological TestsPsychomotor PerformanceRisk AssessmentRisk FactorsSocioeconomic FactorsConceptsHigher blood lead levelsBlood lead levelsEducation levelMotor Ability TestUrban Indian childrenVisual-motor abilitiesCross-sectional studyMother's education levelFather's education levelAverage monthly incomeIndian childrenVisuo-motor developmentLead levelsMotor composite scoresMean blood lead levelLead exposureVisual-motorMonthly incomeDose-effect relationshipVisual-motor integrationComposite scoreSchool children
2010
Cumulative lead exposure and age-related hearing loss: The VA Normative Aging Study
Park S, Elmarsafawy S, Mukherjee B, Spiro A, Vokonas P, Nie H, Weisskopf M, Schwartz J, Hu H. Cumulative lead exposure and age-related hearing loss: The VA Normative Aging Study. Hearing Research 2010, 269: 48-55. PMID: 20638461, PMCID: PMC2934752, DOI: 10.1016/j.heares.2010.07.004.Peer-Reviewed Original ResearchConceptsAge-related hearing lossPure-tone averagePatella lead levelsCumulative lead exposureHearing lossHearing thresholdsNormative Aging StudyAssociated with poorer hearing thresholdsOdds of hearing lossAir conduction hearing thresholdsAssociated with hearing lossConduction hearing thresholdsPoorer hearing thresholdsAging StudyDevelopment of age-related hearing lossReduction of lead exposureVA Normative Aging StudyCross-sectional analysisLead exposureOccupational noiseHearing abilityK X-ray fluorescencePotential confoundersEpidemiological researchLead levelsHFE H63D Polymorphism as a Modifier of the Effect of Cumulative Lead Exposure on Pulse Pressure: The Normative Aging Study
Zhang A, Park S, Wright R, Weisskopf M, Mukherjee B, Nie H, Sparrow D, Hu H. HFE H63D Polymorphism as a Modifier of the Effect of Cumulative Lead Exposure on Pulse Pressure: The Normative Aging Study. Environmental Health Perspectives 2010, 118: 1261-1266. PMID: 20478760, PMCID: PMC2944087, DOI: 10.1289/ehp.1002251.Peer-Reviewed Original ResearchConceptsCumulative lead exposureHFE H63D polymorphismC282Y variantBone lead levelsAssociated with steeper increasesLinear mixed-effects regression modelsFamily history of hypertensionMixed-effects regression modelsDaily intake of calciumNormative Aging StudyPredictor of cardiovascular diseaseWaist circumferenceIntake of calciumHistory of hypertensionLead exposureH63D polymorphismAlcohol intakeRandom interceptFamily historyMarker of arterial stiffnessTotal caloriesAging StudySteeper increasesLead levelsCardiovascular disease
2009
Bone Lead Level Prediction Models and Their Application to Examine the Relationship of Lead Exposure and Hypertension in the Third National Health and Nutrition Examination Survey
Park S, Mukherjee B, Xia X, Sparrow D, Weisskopf M, Nie H, Hu H. Bone Lead Level Prediction Models and Their Application to Examine the Relationship of Lead Exposure and Hypertension in the Third National Health and Nutrition Examination Survey. Journal Of Occupational And Environmental Medicine 2009, 51: 1422-1436. PMID: 19952788, PMCID: PMC2939477, DOI: 10.1097/jom.0b013e3181bf6c8d.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBone and BonesBostonCohort StudiesEnvironmental ExposureFemaleHumansHypertensionLeadLongitudinal StudiesMaleMiddle AgedNutrition SurveysPatellaRadiographyRegression AnalysisRisk AssessmentRisk FactorsSpectrometry, X-Ray EmissionTibiaUnited StatesUnited States Department of Veterans AffairsYoung AdultConceptsNational Health and Nutrition Examination SurveyThird National Health and Nutrition Examination SurveyHealth and Nutrition Examination SurveyNutrition Examination SurveyCommunity-based cohortPatella leadExamination SurveyCohort of older menCommunity-based cohort of older menK X-ray fluorescenceNHANES-IIISignificant associationBlood lead levelsOlder menStandard covariatesPatellaExternal validationCorrelation coefficientBlood leadLead exposureTibiaLead levelsAssociationSurveyLead studies