Quasi-experimental methods for pharmacoepidemiology: difference-in-differences and synthetic control methods with case studies for vaccine evaluation
Kennedy-Shaffer L. Quasi-experimental methods for pharmacoepidemiology: difference-in-differences and synthetic control methods with case studies for vaccine evaluation. American Journal Of Epidemiology 2024, 193: 1050-1058. PMID: 38456774, PMCID: PMC11228849, DOI: 10.1093/aje/kwae019.Peer-Reviewed Original ResearchConceptsSynthetic control methodDifference-in-differencesHealth policyCase studyAverage treatment effectQuasi-experimental methodPolicyQuasi-experimental designWeight assumptionPopulation-level effectsTime trendsStudy designSources of evidenceConfounding factorsEvaluation studiesPharmacoepidemiologyTarget estimandAbsence of contamination