2021
swdpwr: A SAS macro and an R package for power calculations in stepped wedge cluster randomized trials
Chen J, Zhou X, Li F, Spiegelman D. swdpwr: A SAS macro and an R package for power calculations in stepped wedge cluster randomized trials. Computer Methods And Programs In Biomedicine 2021, 213: 106522. PMID: 34818620, PMCID: PMC8665077, DOI: 10.1016/j.cmpb.2021.106522.Peer-Reviewed Original ResearchConceptsWedge clusterIntracluster correlation coefficientContinuous outcomesCross-sectional cohortBinary outcomesExchangeable correlation structureWedge designPublic health intervention evaluationsHealth services researchClosed cohort designPower calculationCohort designClosed cohortStudy designIntracluster correlationIntervention evaluationNeeds of investigatorsOutcomesTrialsCohortServices researchInvestigatorsPrevious studiesSWD
2004
Changes in Body Weight and Body Fat Distribution as Risk Factors for Clinical Diabetes in US Men
Koh-Banerjee P, Wang Y, Hu FB, Spiegelman D, Willett WC, Rimm EB. Changes in Body Weight and Body Fat Distribution as Risk Factors for Clinical Diabetes in US Men. American Journal Of Epidemiology 2004, 159: 1150-1159. PMID: 15191932, DOI: 10.1093/aje/kwh167.Peer-Reviewed Original ResearchConceptsRisk of diabetesBody fat distributionFat distributionWeight gainBody weightHealth Professionals FollowCases of diabetesWaist gainClinical diabetesProfessionals FollowWaist circumferenceHip circumferenceRisk factorsSubsequent riskUS menDiabetesAbdominal fatWeight changeHip girthMenRiskCircumferenceWaistPercentPrevious studies