2010
Lipid-soluble vitamins A, D, and E in HIV-infected pregnant women in Tanzania
Mehta S, Spiegelman D, Aboud S, Giovannucci EL, Msamanga GI, Hertzmark E, Mugusi FM, Hunter DJ, Fawzi WW. Lipid-soluble vitamins A, D, and E in HIV-infected pregnant women in Tanzania. European Journal Of Clinical Nutrition 2010, 64: 808-817. PMID: 20517330, PMCID: PMC3078753, DOI: 10.1038/ejcn.2010.76.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnemia, Iron-DeficiencyAvitaminosisBlood SedimentationCD8-Positive T-LymphocytesCell CountDietFemaleGestational AgeHemoglobinsHIV InfectionsHumansNutritional StatusPregnancyPrevalenceRegression AnalysisSeleniumTanzaniaVitamin AVitamin A DeficiencyVitamin DVitamin D DeficiencyVitamin EVitamin E DeficiencyYoung AdultConceptsErythrocyte sedimentation rateVitamin E statusPregnant womenLipid-soluble vitaminsVitamin APlasma vitaminGestational ageLow vitaminE statusLow vitamin D statusHigh erythrocyte sedimentation rateLow vitamin E statusLipid-soluble vitamins ACD8 cell countsVitamin D statusHuman immunodeficiency virusPlasma vitamin EPoor nutritional statusPlasma vitamin ALow plasma vitamin AResource-limited settingsD statusLaboratory parametersImmunodeficiency virusSevere anemia
2005
Selenium status, pregnancy outcomes, and mother-to-child transmission of HIV-1.
Kupka R, Garland M, Msamanga G, Spiegelman D, Hunter D, Fawzi W. Selenium status, pregnancy outcomes, and mother-to-child transmission of HIV-1. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2005, 39: 203-10. PMID: 15905738.Peer-Reviewed Original ResearchConceptsPregnancy outcomesPregnant womenChild transmissionLow selenium statusHIV transmissionMaternal HIV disease progressionHIV-positive pregnant womenSelenium statusDirect epidemiologic evidenceMTCT of HIVLow plasma selenium levelsHIV disease progressionPoor pregnancy outcomesRisk of motherWeeks of gestationMother-child pairsPlasma selenium levelsAdequate selenium statusFetal deathGestational ageEpidemiologic evidenceLow birthweightDisease progressionGenital tractHIV-1Plasma Carotenoids, Retinol, and Tocopherols and Risk of Breast Cancer
Tamimi RM, Hankinson SE, Campos H, Spiegelman D, Zhang S, Colditz GA, Willett WC, Hunter DJ. Plasma Carotenoids, Retinol, and Tocopherols and Risk of Breast Cancer. American Journal Of Epidemiology 2005, 161: 153-160. PMID: 15632265, DOI: 10.1093/aje/kwi030.Peer-Reviewed Original ResearchConceptsLutein/zeaxanthinBreast cancerHealth StudyPlasma carotenoidsNurses' Health StudyBreast cancer riskCase-control studyBreast cancer etiologyNodal metastasisHighest quintileInvasive cancerLowest quintileBlood drawInverse associationCancer riskAlpha-tocopherolCancerCancer etiologyGamma-tocopherolWomenRetinolQuintileRiskRole of carotenoidsAssociation
2004
Selenium Status Is Associated with Accelerated HIV Disease Progression among HIV-1–Infected Pregnant Women in Tanzania
Kupka R, Msamanga GI, Spiegelman D, Morris S, Mugusi F, Hunter DJ, Fawzi WW. Selenium Status Is Associated with Accelerated HIV Disease Progression among HIV-1–Infected Pregnant Women in Tanzania. Journal Of Nutrition 2004, 134: 2556-2560. PMID: 15465747, DOI: 10.1093/jn/134.10.2556.Peer-Reviewed Original ResearchConceptsPlasma selenium levelsCD4 cell countRisk of mortalityDisease progressionHIV-1-infected pregnant womenCell countSelenium levelsLow plasma selenium levelsHIV disease progressionAccelerated disease progressionCox multivariate modelSelenium statusMedian followHIV diseaseClinical outcomesPregnant womenPoor survivalTanzanian womenMultivariate modelL increaseCells/ProgressionWomenMortalityFirst yearA Randomized Trial of Multivitamin Supplements and HIV Disease Progression and Mortality
Fawzi WW, Msamanga GI, Spiegelman D, Wei R, Kapiga S, Villamor E, Mwakagile D, Mugusi F, Hertzmark E, Essex M, Hunter DJ. A Randomized Trial of Multivitamin Supplements and HIV Disease Progression and Mortality. New England Journal Of Medicine 2004, 351: 23-32. PMID: 15229304, DOI: 10.1056/nejmoa040541.Peer-Reviewed Original ResearchConceptsVitamin AHIV diseaseMultivitamin supplementsHuman immunodeficiency virus (HIV) diseasePlacebo-controlled trialHIV disease progressionStage 4 diseaseLow viral loadHigher CD4Antiretroviral therapyPrimary outcomeImmunodeficiency syndromeRandomized trialsViral loadPregnant womenDisease progressionRelative riskObservational studyDaily supplementCell countEnd pointMicronutrient statusMultivitaminsDiseaseProgressionEstimating treatment effects in studies of perinatal transmission of HIV
Bang H, Spiegelman D. Estimating treatment effects in studies of perinatal transmission of HIV. Biostatistics 2004, 5: 31-43. PMID: 14744826, DOI: 10.1093/biostatistics/5.1.31.Peer-Reviewed Original Research
2003
Premenopausal intakes of vitamins A, C, and E, folate, and carotenoids, and risk of breast cancer.
Cho E, Spiegelman D, Hunter DJ, Chen WY, Zhang SM, Colditz GA, Willett WC. Premenopausal intakes of vitamins A, C, and E, folate, and carotenoids, and risk of breast cancer. Cancer Epidemiology Biomarkers & Prevention 2003, 12: 713-20. PMID: 12917201.Peer-Reviewed Original ResearchConceptsHealth Study IIBreast cancer riskBreast cancerVitamin ACancer riskNurses' Health Study IIMultivariate relative riskFood frequency questionnaireInvasive breast cancerPrevious epidemiological studiesEarly adult lifePostmenopausal womenPremenopausal womenIncident casesHighest quintileLowest quintileRelative riskHigh intakeEpidemiological studiesNutrient intakeTotal vitaminCancerStudy IIIntakeVitamin CPattern and Predictors of Weight Gain During Pregnancy Among HIV-1–Infected Women from Tanzania
Villamor E, Msamanga G, Spiegelman D, Peterson KE, Antelman G, Fawzi WW. Pattern and Predictors of Weight Gain During Pregnancy Among HIV-1–Infected Women from Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2003, 32: 560-569. PMID: 12679710, DOI: 10.1097/00126334-200304150-00015.Peer-Reviewed Original ResearchMeSH KeywordsArmBody Mass IndexCohort StudiesFemaleHIV InfectionsHIV-1HumansMalaria, FalciparumNutritional StatusPredictive Value of TestsPregnancyPregnancy Complications, InfectiousPregnancy Complications, ParasiticPregnancy Trimester, SecondPregnancy Trimester, ThirdTanzaniaVitamin AVitaminsWeight GainConceptsMid-upper arm circumferenceGestational weight gainWeight gainHIV diseaseThird trimesterLower baseline CD4 T cell countsBaseline CD4 T-cell countHIV-1-infected womenCD4 T-cell countLow serum retinolT-cell countsFirst prenatal visitHIV-positive womenAdvanced clinical stageMonthly anthropometric measurementsNeonatal outcomesPrenatal visitWeek 12Clinical stagePregnant womenSecond trimesterArm circumferenceMalaria infectionSerum retinolHelminthic infections
2002
Vitamin and carotenoid intake and risk of squamous cell carcinoma of the skin
Fung TT, Spiegelman D, Egan KM, Giovannucci E, Hunter DJ, Willett WC. Vitamin and carotenoid intake and risk of squamous cell carcinoma of the skin. International Journal Of Cancer 2002, 103: 110-115. PMID: 12455062, DOI: 10.1002/ijc.10798.Peer-Reviewed Original ResearchConceptsCases of SCCHEALTHY studyProspective cohort study designMale health professionalsHealth Professionals FollowCohort study designIntake of vitaminsSquamous cell carcinomaSignificant inverse associationDevelopment of SCCImportant protective roleIncidence of SCCBiennial questionnairesProfessionals FollowMultivariate adjustmentCell carcinomaSCC incidenceDietary factorsInverse associationMedical recordsRisk factorsRelative riskLarge cohortCarotenoid intakeSun exposureEffect of multivitamin and vitamin A supplements on weight gain during pregnancy among HIV-1-infected women 1 , 2 , 3
Villamor E, Msamanga G, Spiegelman D, Antelman G, Peterson KE, Hunter DJ, Fawzi WW. Effect of multivitamin and vitamin A supplements on weight gain during pregnancy among HIV-1-infected women 1 , 2 , 3. American Journal Of Clinical Nutrition 2002, 76: 1082-1090. PMID: 12399282, DOI: 10.1093/ajcn/76.5.1082.Peer-Reviewed Original ResearchConceptsEffects of multivitaminsThird trimesterWeight gainVitamin AMultivitamin supplementationSecond trimesterHIV-1-positive womenAdverse pregnancy outcomesPlacebo-controlled trialGestational weight gainHIV-positive womenEnd of pregnancyPregnancy outcomesOral supplementsAverage weight gainProtective effectTrimesterLower weight gainMultivitaminsPregnancyWomen 1HIVWomenDar es SalaamLower ratesRandomized trial of vitamin supplements in relation to transmission of HIV-1 through breastfeeding and early child mortality
Fawzi WW, Msamanga GI, Hunter D, Renjifo B, Antelman G, Bang H, Manji K, Kapiga S, Mwakagile D, Essex M, Spiegelman D. Randomized trial of vitamin supplements in relation to transmission of HIV-1 through breastfeeding and early child mortality. AIDS 2002, 16: 1935-1944. PMID: 12351954, DOI: 10.1097/00002030-200209270-00011.Peer-Reviewed Original ResearchConceptsHIV-1 transmissionInfants of mothersVitamin ALower baseline lymphocyte countsHigh erythrocyte sedimentation rateChild mortalityBaseline lymphocyte countMaternal micronutrient statusHIV-free survivalErythrocyte sedimentation rateLow birthweight babiesEarly child mortalityRisk of transmissionLymphocyte countLower hemoglobinMultivitamin supplementationWeeks' gestationBirthweight babiesPregnant womenHIV-1Vitamin supplementsMultivitaminsNutritional statusMicronutrient statusMortalityVitamins and carotenoids intake and the risk of basal cell carcinoma of the skin in women (United States)
Fung TT, Hunter DJ, Spiegelman D, Colditz GA, Speizer FE, Willett WC. Vitamins and carotenoids intake and the risk of basal cell carcinoma of the skin in women (United States). Cancer Causes & Control 2002, 13: 221-230. PMID: 12020103, DOI: 10.1023/a:1015036317596.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge DistributionAscorbic AcidCarcinoma, Basal CellCarotenoidsCohort StudiesConfidence IntervalsDietDietary SupplementsFemaleHumansIncidenceLogistic ModelsMiddle AgedProbabilityProspective StudiesRisk AssessmentSensitivity and SpecificitySkin NeoplasmsUnited StatesVitamin AVitamin EVitaminsConceptsBasal cell carcinomaVitamin ACell carcinomaDietary intakeRelative riskSun sensitivity factorsMultivariate relative riskFood frequency questionnaireRisk of BCCSignificant inverse associationIncidence of BCCImportant protective roleFirst diagnosisDietary factorsInverse associationSun exposureLatency periodProtective roleSpecific carotenoidsLogistic regressionVitamin CBottom quintileIntakeCarcinomaRiskVitamin A Supplements Ameliorate the Adverse Effect of HIV-1, Malaria, and Diarrheal Infections on Child Growth
Villamor E, Mbise R, Spiegelman D, Hertzmark E, Fataki M, Peterson KE, Ndossi G, Fawzi WW. Vitamin A Supplements Ameliorate the Adverse Effect of HIV-1, Malaria, and Diarrheal Infections on Child Growth. Pediatrics 2002, 109: e6-e6. PMID: 11773574, DOI: 10.1542/peds.109.1.e6.Peer-Reviewed Original ResearchConceptsMid-upper arm circumferenceMonths of ageVitamin A supplementsPersistent diarrheaHIV infectionRespiratory infectionsVitamin AArm circumferenceHIV statusStudy clinicTreatment armsA supplementsHigher mid-upper arm circumferenceHuman immunodeficiency virus (HIV) infectionInfectious diseasesAdverse effectsLow arm circumferenceEpisodes of infectionImmunodeficiency virus infectionDay of admissionIU vitamin APrevalence of vitaminChild growthConfidence intervalsSeverity of diarrhea
2000
Vitamin A supplements and diarrheal and respiratory tract infections among children in Dar es Salaam, Tanzania
Fawzi W, Mbise R, Spiegelman D, Fataki M, Hertzmark E, Ndossi G. Vitamin A supplements and diarrheal and respiratory tract infections among children in Dar es Salaam, Tanzania. The Journal Of Pediatrics 2000, 137: 660-667. PMID: 11060532, DOI: 10.1067/mpd.2000.110136.Peer-Reviewed Original ResearchConceptsRespiratory tract infectionsHuman immunodeficiency virusTract infectionsVitamin APlacebo-controlled trialAcute respiratory infectionsSevere watery diarrheaRisk of diarrheaEffect of vitaminDuration of episodesRapid respiratory rateLow-cost interventionAcute diarrheaRespiratory infectionsImmunodeficiency virusWatery diarrheaAdverse outcomesUndernourished childrenHigh riskDiarrheaRespiratory rateInfectionSmall riskPlaceboDar es SalaamVitamin A supplementation and other predictors of anemia among children from Dar Es Salaam, Tanzania.
Villamor E, Mbise R, Spiegelman D, Ndossi G, Fawzi WW. Vitamin A supplementation and other predictors of anemia among children from Dar Es Salaam, Tanzania. American Journal Of Tropical Medicine And Hygiene 2000, 62: 590-7. PMID: 11289670, DOI: 10.4269/ajtmh.2000.62.590.Peer-Reviewed Original ResearchConceptsSevere anemiaHemoglobin levelsHuman immunodeficiency virus (HIV) infectionPredictors of anemiaPlacebo-controlled trialImmunodeficiency virus infectionMean hemoglobin levelAssociation of hemoglobinMonths of breastfeedingDiagnosis of malariaYears of agePotential confounding variablesMonth old infantsLow socioeconomic statusHIV infectionIndependent determinantsMalaria infectionMaternal levelsAdditional dosesNonsignificant reductionHematologic profileVirus infectionSignificant fallHemoglobin concentrationVitamin ARandomized Trial of Vitamin Supplements in Relation to Vertical Transmission of HIV-1 in Tanzania
Fawzi W, Msamanga G, Hunter D, Urassa E, Renjifo B, Mwakagile D, Hertzmark E, Coley J, Garland M, Kapiga S, Antelman G, Essex M, Spiegelman D. Randomized Trial of Vitamin Supplements in Relation to Vertical Transmission of HIV-1 in Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 246-254. DOI: 10.1097/00042560-200003010-00006.Peer-Reviewed Original ResearchConceptsPregnant womenPolymerase chain reactionVitamin APlacebo-controlled trialPoor nutritional statusBackground Observational studiesMultivitamin armHIV infectionHIV statusWeeks postpartumObservational studyHIV-1High riskHIVNutritional statusEffects of supplementsVertical transmissionChain reactionBirthMultivitaminsBabiesWomenSupplementsVitaminArmRandomized trial of vitamin supplements in relation to vertical transmission of HIV-1 in Tanzania.
Fawzi W, Msamanga G, Hunter D, Urassa E, Renjifo B, Mwakagile D, Hertzmark E, Coley J, Garland M, Kapiga S, Antelman G, Essex M, Spiegelman D. Randomized trial of vitamin supplements in relation to vertical transmission of HIV-1 in Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 246-54. PMID: 10839660, DOI: 10.1097/00126334-200003010-00006.Peer-Reviewed Original ResearchConceptsPregnant womenPolymerase chain reactionVitamin APlacebo-controlled trialPoor nutritional statusMultivitamin armHIV infectionHIV statusWeeks postpartumObservational studyHIV-1High riskHIVNutritional statusEffects of supplementsVertical transmissionChain reactionBirthMultivitaminsBabiesWomenSupplementsVitaminArmStatusEfficient regression calibration for logistic regression in main study/internal validation study designs with an imperfect reference instrument
Spiegelman D, Carroll R, Kipnis V. Efficient regression calibration for logistic regression in main study/internal validation study designs with an imperfect reference instrument. Statistics In Medicine 2000, 20: 139-160. PMID: 11135353, DOI: 10.1002/1097-0258(20010115)20:1<139::aid-sim644>3.0.co;2-k.Peer-Reviewed Original Research
1999
A prospective study of carotenoid intake and risk of cataract extraction in US men
Brown L, Rimm E, Seddon J, Giovannucci E, Chasan-Taber L, Spiegelman D, Willett W, Hankinson S. A prospective study of carotenoid intake and risk of cataract extraction in US men. American Journal Of Clinical Nutrition 1999, 70: 517-524. PMID: 10500021, DOI: 10.1093/ajcn/70.4.517.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAlcohol DrinkingBeta CaroteneBrassicaCarotenoidsCataractCataract ExtractionCohort StudiesDiabetes ComplicationsDiet SurveysHumansLuteinMaleMiddle AgedMultivariate AnalysisProspective StudiesRisk FactorsSmokingSpinacia oleraceaSurveys and QuestionnairesUnited StatesVitamin AXanthophyllsZeaxanthinsConceptsCataract extractionLower riskUS male health professionalsDetailed dietary questionnairesMale health professionalsProspective epidemiologic dataProspective cohort studyIntake of carotenoidsRisk of cataractPotential risk factorsAge-related cataractSenile cataract extractionDietary questionnaireCohort studyZeaxanthin intakeHighest fifthProspective studyRisk factorsEpidemiologic dataHigh intakeCarotenoid intakeUS menDietary antioxidantsVitamin AHealth professionalsMatrix Methods for Estimating Odds Ratios with Misclassified Exposure Data: Extensions and Comparisons
Morrissey M, Spiegelman D. Matrix Methods for Estimating Odds Ratios with Misclassified Exposure Data: Extensions and Comparisons. Biometrics 1999, 55: 338-344. PMID: 11318185, DOI: 10.1111/j.0006-341x.1999.00338.x.Peer-Reviewed Original Research