2022
Assessing the quality of tuberculosis care using routine surveillance data: a process evaluation employing the Zero TB Indicator Framework in Mongolia
Saranjav A, Parisi C, Zhou X, Dorjnamjil K, Samdan T, Erdenebaatar S, Chuluun A, Dalkh T, Ganbaatar G, Brooks MB, Spiegelman D, Ganmaa D, Davis JL. Assessing the quality of tuberculosis care using routine surveillance data: a process evaluation employing the Zero TB Indicator Framework in Mongolia. BMJ Open 2022, 12: e061229. PMID: 35973702, PMCID: PMC9386240, DOI: 10.1136/bmjopen-2022-061229.Peer-Reviewed Original ResearchConceptsPrimary health centersTB preventive therapyRoutine surveillance dataHealth centersHousehold contactsCohort studyPreventive therapyTB careTB dispensariesRetrospective cross-sectional cohort studyCross-sectional cohort studySurveillance dataActive TB treatmentGuideline-adherent careHealth system predictorsQuality of tuberculosisOdds of patientsHealth system factorsQuality improvement interventionsLow-quality careCare cascadeTB screeningTB treatmentTuberculosis careIndex patientsIron supplementation and paediatric HIV disease progression: a cohort study among children receiving routine HIV care in Dar es Salaam, Tanzania
Andersen CT, Duggan CP, Manji K, Seage GR, Spiegelman D, Perumal N, Ulenga N, Fawzi WW. Iron supplementation and paediatric HIV disease progression: a cohort study among children receiving routine HIV care in Dar es Salaam, Tanzania. International Journal Of Epidemiology 2022, 51: 1533-1543. PMID: 35167662, PMCID: PMC9557856, DOI: 10.1093/ije/dyac017.Peer-Reviewed Original ResearchConceptsDisease stage progressionIron supplementationStage progressionCohort studyDisease progressionRoutine HIV careHIV disease progressionProspective cohort studyManagement of anemiaRisk of anemiaHigher hazard rateProportional hazards modelIron supplement useDar es SalaamHaematological outcomesAntiretroviral therapyHIV careClinic visitsSupportive careAntiretroviral treatmentClinical outcomesClinical visitsAnemia statusSupplement useVital status
2021
Analysis of Survival Among Adults With Early-Onset Colorectal Cancer in the National Cancer Database
Cheng E, Blackburn HN, Ng K, Spiegelman D, Irwin ML, Ma X, Gross CP, Tabung FK, Giovannucci EL, Kunz PL, Llor X, Billingsley K, Meyerhardt JA, Ahuja N, Fuchs CS. Analysis of Survival Among Adults With Early-Onset Colorectal Cancer in the National Cancer Database. JAMA Network Open 2021, 4: e2112539. PMID: 34132794, PMCID: PMC8209612, DOI: 10.1001/jamanetworkopen.2021.12539.Peer-Reviewed Original ResearchConceptsEarly-onset colorectal cancerOnset colorectal cancerNational Cancer DatabaseColorectal cancerAge 51Overall survivalCancer DatabaseIncidence of CRCCox proportional hazards regressionPrimary colorectal cancerKaplan-Meier analysisProportional hazards regressionAge 50 yearsAge 25 yearsAnalysis of survivalCohort studySurvival benefitHazards regressionUnadjusted analysesCancer incidenceMAIN OUTCOMEAge 35Survival advantageLower riskStage I
2012
PREDICTORS OF INCIDENT TUBERCULOSIS IN HIV-EXPOSED CHILDREN IN TANZANIA.
Finkelstein J, Manji K, Duggan C, Hertzmark E, Mehta S, Msamanga G, Spiegelman D, Fawzi W. PREDICTORS OF INCIDENT TUBERCULOSIS IN HIV-EXPOSED CHILDREN IN TANZANIA. East African Medical Journal 2012, 89: 183-92. PMID: 26856040, PMCID: PMC10864092.Peer-Reviewed Original ResearchConceptsRisk of tuberculosisChild mid-upper arm circumferenceMid-upper arm circumferenceT-cell countsArm circumferenceReduced riskCD4 T-cell countCD8 T-cell countsLow vitamin E levelsAppropriate infant feedingDuration of breastfeedingLongitudinal cohort studyVitamin E levelsIncident tuberculosisAntenatal clinicCohort studyLymphocyte countHIV infectionTuberculosis infectionChild tuberculosisHIV statusNutritional interventionImmunological statusInfant feedingE levelsCohort studies around the world: Methodologies, research questions and integration to address the emerging global epidemic of chronic diseases
Nair H, Shu XO, Volmink J, Romieu I, Spiegelman D. Cohort studies around the world: Methodologies, research questions and integration to address the emerging global epidemic of chronic diseases. Public Health 2012, 126: 202-205. PMID: 22325615, DOI: 10.1016/j.puhe.2011.12.013.Peer-Reviewed Original ResearchConceptsChronic diseasesCohort studyChronic non-communicable diseasesNon-communicable chronic diseasesDual disease burdenCommunicable infectious diseasesNon-communicable diseasesMultiple cohort studiesResource-constrained settingsDisease burdenRisk factorsLifestyle changesGlobal epidemicInfectious diseasesDiseaseDisease distributionEpidemicBurdenPopulationSettingDramatic increase
2009
The relationship between handedness and risk of multiple sclerosis
Gardener H, Munger K, Chitnis T, Spiegelman D, Ascherio A. The relationship between handedness and risk of multiple sclerosis. Multiple Sclerosis Journal 2009, 15: 587-592. PMID: 19389750, PMCID: PMC2771381, DOI: 10.1177/1352458509102622.Peer-Reviewed Original ResearchConceptsMultiple sclerosisHealth StudyHand preferenceOngoing prospective cohort studyUtero hormone exposureNurses' Health StudyProspective cohort studyMultiple sclerosis riskSex steroid hormonesLeft-handed womenLeft-handed individualsCohort studyAutoimmune disordersIncident casesUtero exposureUnknown etiologyPrenatal exposureSex hormonesImmune disordersStudy populationHormone exposureSclerosisFemale nursesSteroid hormonesRisk
2007
Calcium intake and hip fracture risk in men and women: a meta-analysis of prospective cohort studies and randomized controlled trials 1
Bischoff-Ferrari HA, Dawson-Hughes B, Baron JA, Burckhardt P, Li R, Spiegelman D, Specker B, Orav JE, Wong JB, Staehelin HB, O’Reilly E, Kiel DP, Willett WC. Calcium intake and hip fracture risk in men and women: a meta-analysis of prospective cohort studies and randomized controlled trials 1. American Journal Of Clinical Nutrition 2007, 86: 1780-1790. PMID: 18065599, DOI: 10.1093/ajcn/86.5.1780.Peer-Reviewed Original ResearchConceptsHip fracture riskProspective cohort studyTotal calcium intakeCalcium intakeFracture riskNonvertebral fracturesCohort studyClinical trialsHip fractureCalcium supplementationCa/dPooled RRRandomized trialsSmall trialsIntakeTrialsTrial 1PlaceboWomenRiskMenSupplementationNeutral effectFracturesRRCalcium intake and hip fracture risk in men and women: a meta-analysis of prospective cohort studies and randomized controlled trials
Bischoff-Ferrari H, Dawson-Hughes B, Baron J, Burckhardt P, Li R, Spiegelman D, Specker B, Orav J, Wong J, Staehelin H, O'Reilly E, Kiel D, Willett W. Calcium intake and hip fracture risk in men and women: a meta-analysis of prospective cohort studies and randomized controlled trials. American Journal Of Clinical Nutrition 2007, 86: 1780-1790. DOI: 10.1093/ajcn/86.6.1780.Peer-Reviewed Original ResearchPoint and interval estimates of partial population attributable risks in cohort studies: examples and software
Spiegelman D, Hertzmark E, Wand HC. Point and interval estimates of partial population attributable risks in cohort studies: examples and software. Cancer Causes & Control 2007, 18: 571-579. PMID: 17387622, DOI: 10.1007/s10552-006-0090-y.Peer-Reviewed Original ResearchConceptsCohort studyRisk factorsPartial population attributable riskNon-modifiable risk factorsSpecific exposuresPopulation attributable risk percentAttributable risk percentPopulation attributable riskBladder cancer incidenceGroups of exposureTarget populationProportion of diseaseAttributable riskDisease burdenModifiable determinantsCancer incidencePublic health researchDiseaseHealth researchExposurePopulationIncidenceProportion
2006
HIV-1 infection and fertility in Dar es Salaam, Tanzania.
Sedgh G, Larsen U, Spiegelman D, Msamanga G, Fawzi WW. HIV-1 infection and fertility in Dar es Salaam, Tanzania. African Journal Of Reproductive Health 2006, 10: 41-52. PMID: 17518130, DOI: 10.2307/30032470.Peer-Reviewed Original ResearchConceptsHIV-1 infectionUninfected womenHIV infectionPregnancy lossMultivariate analysisHIV-1 infected womenPregnancy rate ratioRetrospective cohort studyPredictors of pregnancyHIV-positive womenNumber of pregnanciesRate of pregnancyDar es SalaamHigher pregnancy rateAdvanced diseaseCohort studyHIV seropositivityInfected womenBorderline significancePregnancy rateAdvanced stageInfectionPregnancyWomenRate ratioAlcohol intake and ovarian cancer risk: a pooled analysis of 10 cohort studies
Genkinger JM, Hunter DJ, Spiegelman D, Anderson KE, Buring JE, Freudenheim JL, Goldbohm RA, Harnack L, Hankinson SE, Larsson SC, Leitzmann M, McCullough ML, Marshall J, Miller AB, Rodriguez C, Rohan TE, Schatzkin A, Schouten LJ, Wolk A, Zhang SM, Smith-Warner SA. Alcohol intake and ovarian cancer risk: a pooled analysis of 10 cohort studies. British Journal Of Cancer 2006, 94: 757-762. PMID: 16495916, PMCID: PMC2361197, DOI: 10.1038/sj.bjc.6603020.Peer-Reviewed Original ResearchConceptsOvarian cancer riskCohort studyCancer riskPooled analysisAlcohol intakeRelative riskStudy-specific relative risksCox proportional hazards modelDepletion of folateModerate alcohol intakeOral contraceptive useProspective cohort studyHormone replacement therapyBody mass indexConfidence intervalsLevels of estrogenSerous ovarian cancerProportional hazards modelRandom-effects modelOvarian casesMenopausal statusMass indexReplacement therapyFolate intakeOvarian cancer
2005
Fruits and Vegetables and Ovarian Cancer Risk in a Pooled Analysis of 12 Cohort Studies
Koushik A, Hunter DJ, Spiegelman D, Anderson KE, Arslan AA, Beeson WL, van den Brandt PA, Buring JE, Cerhan JR, Colditz GA, Fraser GE, Freudenheim JL, Genkinger JM, Goldbohm RA, Hankinson SE, Koenig KL, Larsson SC, Leitzmann M, McCullough ML, Miller AB, Patel A, Rohan TE, Schatzkin A, Smit E, Willett WC, Wolk A, Zhang SM, Smith-Warner SA. Fruits and Vegetables and Ovarian Cancer Risk in a Pooled Analysis of 12 Cohort Studies. Cancer Epidemiology Biomarkers & Prevention 2005, 14: 2160-2167. PMID: 16172226, DOI: 10.1158/1055-9965.epi-05-0218.Peer-Reviewed Original ResearchConceptsOvarian cancer riskVegetable intakeOvarian cancerCancer riskRelative riskPooled multivariate relative risksStudy-specific relative risksInvasive epithelial ovarian cancerCox proportional hazards modelTotal fruit intakeMultivariate relative riskFood frequency questionnaireTotal vegetable intakeEpithelial ovarian cancerProportional hazards modelDifferent histologic typesRandom-effects modelCancer-preventive actionsCohort studyHistologic typeProspective studyPooled analysisFruit intakeLowest quartileHazards modelHIV-1 Disease Progression and Fertility in Dar es Salaam, Tanzania
Sedgh G, Larsen U, Spiegelman D, Msamanga G, Fawzi WW. HIV-1 Disease Progression and Fertility in Dar es Salaam, Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2005, 39: 439-445. PMID: 16010167, DOI: 10.1097/01.qai.0000148529.58963.83.Peer-Reviewed Original ResearchConceptsHIV-1 disease progressionPregnancy rate ratioPregnancy incidenceDisease progressionRate ratioStage IHIV-1-infected womenHIV-1-positive womenCox proportional hazards modelClinical stage IIHIV-1 diseaseProspective cohort studyLive birth rateProportional hazards modelDar es SalaamLive birth incidenceCohort studyMenstrual dysfunctionIndependent predictorsRecent pregnancyHIV statusClinical progressionPregnancy rateOlder womenHazards modelSelenium levels in relation to morbidity and mortality among children born to HIV-infected mothers
Kupka R, Msamanga GI, Spiegelman D, Rifai N, Hunter DJ, Fawzi WW. Selenium levels in relation to morbidity and mortality among children born to HIV-infected mothers. European Journal Of Clinical Nutrition 2005, 59: 1250-1258. PMID: 16015252, DOI: 10.1038/sj.ejcn.1602236.Peer-Reviewed Original ResearchConceptsPlasma selenium levelsMorbidity informationSelenium levelsChild mortalityMaternal vitamin supplementsMonthly clinic visitsProspective cohort studyTertiary care hospitalMuhimbili National HospitalRisk of diarrheaChild health outcomesMonths of ageSelenium statusCause mortalityClinic visitsCohort studyRespiratory outcomesMedian ageStudy clinicNational HospitalVitamin supplementsHealth outcomesStudy childrenFogarty International CenterStudy participantsInfluence of Body Size and Body Fat Distribution on Risk of Uterine Leiomyomata in U.S. Black Women
Wise LA, Palmer JR, Spiegelman D, Harlow BL, Stewart EA, Adams-Campbell LL, Rosenberg L. Influence of Body Size and Body Fat Distribution on Risk of Uterine Leiomyomata in U.S. Black Women. Epidemiology 2005, 16: 346-354. PMID: 15824551, PMCID: PMC1847589, DOI: 10.1097/01.ede.0000158742.11877.99.Peer-Reviewed Original ResearchConceptsBody mass indexIncidence rate ratiosBlack Women's Health StudyWomen's Health StudyParous womenUterine leiomyomataHealth StudyWeight gainMultivariate incidence rate ratiosSelf-reported uterine leiomyomataU.S. prospective cohort studiesBlack womenProspective cohort studyBody fat distributionConfidence intervalsU.S. Black womenPremenopausal womenCohort studyPrior diagnosisHip ratioMass indexHip circumferenceFat distributionHealth QuestionnaireLarge cohortDietary intake in human immunodeficiency virus–infected adults: A comparison of dietary assessment methods
Hendricks K, Tang A, Spiegelman D, Skinner S, Woods M. Dietary intake in human immunodeficiency virus–infected adults: A comparison of dietary assessment methods. Journal Of The Academy Of Nutrition And Dietetics 2005, 105: 532-540. PMID: 15800553, DOI: 10.1016/j.jada.2005.01.028.Peer-Reviewed Original ResearchMeSH KeywordsAdultCohort StudiesDietDiet RecordsDiet SurveysDietary CarbohydratesDietary FatsDietary ProteinsEatingEnergy IntakeEthnicityFemaleHIV InfectionsHumansLongitudinal StudiesMaleMicronutrientsNutrition AssessmentNutrition PolicyRegression AnalysisReproducibility of ResultsSensitivity and SpecificitySurveys and QuestionnairesConceptsFood frequency questionnaireFood recordsDietary Reference IntakesCohort studyDietary intakeLarge cohortReference IntakesIntake dataHuman immunodeficiency virus-infected adultsNutrient intakeHuman immunodeficiency virus (HIV) infectionBlock Food Frequency QuestionnaireImmunodeficiency virus infectionHIV-positive participantsQuintile rankingsLongitudinal cohort studyMean percent agreementOngoing cohort studyProportion of subjectsDietary intake dataDietary assessment methodsNutrient intake dataEstimated nutrient intakeNutrient intake estimatesFrequency questionnaire
2004
Understanding the Role of HIV Load in Determining Weight Change in the Era of Highly Active Antiretroviral Therapy
Mwamburi DM, Wilson IB, Jacobson DL, Spiegelman D, Gorbach SL, Knox TA, Wanke CA. Understanding the Role of HIV Load in Determining Weight Change in the Era of Highly Active Antiretroviral Therapy. Clinical Infectious Diseases 2004, 40: 167-173. PMID: 15614708, DOI: 10.1086/426591.Peer-Reviewed Original ResearchConceptsActive antiretroviral therapyVirus loadBody weightAntiretroviral therapyHIV infectionWeight changeStudy visitHuman immunodeficiency virus RNA loadHighly Active Antiretroviral TherapyAbsence of HAARTProspective cohort studyCell count decreaseVirus RNA loadTime of enrollmentStudy intervalRepeated-measures analysisHIV loadHAART useCohort studyRNA loadHAARTPatientsEligible sampleCell countCount decreaseAntioxidant vitamins and coronary heart disease risk: a pooled analysis of 9 cohorts 1 2 3
Knekt P, Ritz J, Pereira MA, O'Reilly EJ, Augustsson K, Fraser GE, Goldbourt U, Heitmann BL, Hallmans G, Liu S, Pietinen P, Spiegelman D, Stevens J, Virtamo J, Willett WC, Rimm EB, Ascherio A. Antioxidant vitamins and coronary heart disease risk: a pooled analysis of 9 cohorts 1 2 3. American Journal Of Clinical Nutrition 2004, 80: 1508-1520. PMID: 15585762, DOI: 10.1093/ajcn/80.6.1508.Peer-Reviewed Original ResearchConceptsCoronary heart diseaseSupplemental vitamin C intakeHighest intake quintileVitamin C intakeAntioxidant vitaminsIntake quintilesCHD incidenceCHD riskRelative riskVitamin ECHD eventsC intakeSupplemental vitamin E intakeVitamin C/dCoronary heart disease riskDietary confounding factorsLower CHD incidenceMajor CHD eventsVitamin CIncident CHD eventsHeart disease riskVitamin E intakeSupplemental vitamin CHigh vitamin ECohort studyIn utero exposures and the incidence of endometriosis
Missmer SA, Hankinson SE, Spiegelman D, Barbieri RL, Michels KB, Hunter DJ. In utero exposures and the incidence of endometriosis. Fertility And Sterility 2004, 82: 1501-1508. PMID: 15589850, DOI: 10.1016/j.fertnstert.2004.04.065.Peer-Reviewed Original ResearchConceptsHealth Study IIIncidence of endometriosisMultiple gestationsFetal environmentNurses' Health Study IIRate of endometriosisProspective cohort studyBody mass indexDiethylstilbestrol exposurePast infertilityPremature deliveryCohort studyMass indexUtero exposureInfertility statusIncidence rateEndometriosis diagnosisMAIN OUTCOMEUS womenEndometriosisAge 18BirthweightStudy IIEffect estimatesWomenDairy Foods, Calcium, and Colorectal Cancer: A Pooled Analysis of 10 Cohort Studies
Cho E, Smith-Warner SA, Spiegelman D, Beeson WL, van den Brandt PA, Colditz GA, Folsom AR, Fraser GE, Freudenheim JL, Giovannucci E, Goldbohm RA, Graham S, Miller AB, Pietinen P, Potter JD, Rohan TE, Terry P, Toniolo P, Virtanen MJ, Willett WC, Wolk A, Wu K, Yaun SS, Zeleniuch-Jacquotte A, Hunter DJ. Dairy Foods, Calcium, and Colorectal Cancer: A Pooled Analysis of 10 Cohort Studies. Journal Of The National Cancer Institute 2004, 96: 1015-1022. PMID: 15240785, DOI: 10.1093/jnci/djh185.Peer-Reviewed Original ResearchMeSH KeywordsAdenomaAdultAgedAnimalsCalcium, DietaryCohort StudiesColorectal NeoplasmsDairy ProductsEatingEuropeFemaleHumansIncidenceMaleMiddle AgedMilkMultivariate AnalysisProportional Hazards ModelsProspective StudiesResearch DesignRisk AssessmentRisk FactorsSurveys and QuestionnairesUnited StatesConceptsColorectal cancerRelative riskMilk intakeCalcium intakeCohort studyPooled multivariable relative risksMultivariable relative risksFood frequency questionnaireColorectal cancer riskUsual dietary intakeConfidence intervalsDairy foodsFrequency questionnaireIncident casesDietary calciumPooled analysisLowest quintileInverse associationDietary intakeDistal colonEpidemiologic studiesCancer riskLower riskTotal calciumCancer