2020
Mortality under early access to antiretroviral therapy vs. Eswatini’s national standard of care: the MaxART clustered randomized stepped‐wedge trial
Chao A, Spiegelman D, Khan S, Walsh F, Mazibuko S, Pasipamire M, Chai B, Reis R, Mlambo K, Delva W, Khumalo G, Zwane M, Fleming Y, Mafara E, Hettema A, Lejeune C, Bärnighausen T, Okello V. Mortality under early access to antiretroviral therapy vs. Eswatini’s national standard of care: the MaxART clustered randomized stepped‐wedge trial. HIV Medicine 2020, 21: 429-440. PMID: 32458567, DOI: 10.1111/hiv.12876.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyMortality rateDisease-related mortality rateCox proportional hazards modelCause mortality ratesStepped-wedge trialProportional hazards modelStepped-wedge designQuality of lifeEvidence of harmClinic transitionSecondary outcomesSOC participantsHealth clinicsLong-term consequencesImplementation trialHazards modelHIVStudy participantsMortalityHealth systemDecrease infectionEarly accessClinicTherapy
2005
Selenium 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 participants
2003
Occupational exposure to methyl tertiary butyl ether in relation to key health symptom prevalence: the effect of measurement error correction
Keshaviah A, Weller E, Spiegelman D. Occupational exposure to methyl tertiary butyl ether in relation to key health symptom prevalence: the effect of measurement error correction. Environmetrics 2003, 14: 573-582. DOI: 10.1002/env.604.Peer-Reviewed Original ResearchEffect of MTBEHealth symptomsStudy participantsJob categoriesSmoking statusSerum concentrationsBlood concentrationsHealth outcomesMTBE exposureEye irritationSignificant associationSymptomsMethyl tertiary butyl etherAvailable dataPrevalenceExposureExposure effectsParticipantsLow levelsHeadacheRegression calibration methodIrritationAlcohol Consumption Patterns and HbA1c, C-Peptide and Insulin Concentrations in Men
Meyer KA, Conigrave KM, Chu NF, Rifai N, Spiegelman D, Stampfer MJ, Rimm EB. Alcohol Consumption Patterns and HbA1c, C-Peptide and Insulin Concentrations in Men. Journal Of The American Nutrition Association 2003, 22: 185-194. PMID: 12805244, DOI: 10.1080/07315724.2003.10719292.Peer-Reviewed Original ResearchConceptsC-peptideInsulin concentrationsAverage alcohol consumptionAlcohol consumptionAlcohol consumption patternsBlood samplesStudy participantsDrinking patternsDisease-free menC-peptide concentrationsModerate alcohol consumptionCross-sectional studyYears of ageFrequent alcohol consumptionFrequency of consumptionEffects of alcoholInsulin levelsBiologic markersInsulin sensitivityInverse associationAverage daily consumptionIrregular drinkersObservational studyAnalysis of insulinHealth professionals
1996
Reproducibility and Validity of a Self-Administered Physical Activity Questionnaire for Male Health Professionals
Chasan-Taber S, Rimm E, Stampfer M, Spiegelman D, Colditz G, Giovannucci E, Ascherio A, Willett W. Reproducibility and Validity of a Self-Administered Physical Activity Questionnaire for Male Health Professionals. Epidemiology 1996, 7: 81-86. PMID: 8664406, DOI: 10.1097/00001648-199601000-00014.Peer-Reviewed Original ResearchConceptsPhysical Activity QuestionnaireActivity QuestionnaireVigorous activityNonvigorous activitiesActivity scoreSelf-administered physical activity questionnaireMale health professionalsParticipants 2 yearsIntraclass correlation coefficientProspective studyHealth professionalsStudy participantsPulse rateActivity diaryStep testWeekly activitiesQuestionnaireDiary measurementsInactivityScoresParticipantsUseful measureActivityParticipants' abilityYears