2024
Targeted learning with an undersmoothed LASSO propensity score model for large-scale covariate adjustment in health-care database studies
Wyss R, van der Laan M, Gruber S, Shi X, Lee H, Dutcher S, Nelson J, Toh S, Russo M, Wang S, Desai R, Lin K. Targeted learning with an undersmoothed LASSO propensity score model for large-scale covariate adjustment in health-care database studies. American Journal Of Epidemiology 2024, kwae023. PMID: 38517025, DOI: 10.1093/aje/kwae023.Peer-Reviewed Original ResearchConfounding controlLarge-scale propensity scoreDatabase studyPropensity scoreHealthcare database studiesCovariate distributionsPS modelCovariate adjustmentReduce biasData-adaptivePropensity score modelNon-overlappingEstimate treatment effectsCovariate overlapCross-fittingHealthcareTarget learningConfoundingRobust frameworkUndersmoothingCollaborative learningTreatment effectsLearningLASSOLASSO regression
2019
Coordinated Tension: The “Secret Sauce” to Enable Decision-Making in a Global Health Complex Adaptive System
Hausmann R, Regalia F, Iriarte E, Nelson J. Coordinated Tension: The “Secret Sauce” to Enable Decision-Making in a Global Health Complex Adaptive System. 2019, 187-205. DOI: 10.1007/978-3-030-10940-0_11.Peer-Reviewed Original ResearchSalud Mesoamerica InitiativeComplexity science lensImprove health outcomesLearning systemGlobal health innovationsYear of implementationHealth outcomesHealth coverageImprove healthHealth innovationsAdaptive systemsComplex adaptive systemsHealthMechanisms of explorationExploration systemSaludLearningDynamic settingCritical objectsCoordination abilityLearning processScale-upPositive results