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Causal null hypotheses of sustained treatment strategies: What can be tested with an instrumental variable?

Netherlands 2 & Sonja A. Swanson 3 Harvard-MIT Division of Health Sciences and Technology , Boston , USA 4 Department of Biostatistics, Harvard T. H. Chan School of Public Health , Boston , USA Sometimes

Instrumental Variable Analyses in Pharmacoepidemiology: What Target Trials Do We Emulate?

Netherlands 1 Sonja A. Swanson Purpose of review When leveraging observational data to estimate treatment effects, it is useful to explicitly specify the “target trial” the investigators aspire to emulate. One

Communicating causality

the ubiquity and importance of causal dia- grams within epidemiology is evidenced by four articles presented in this issue of the European Journal of Epi Sonja A. Swanson 0 1 0 Department of

Selecting on Treatment: A Pervasive Form of Bias in Instrumental Variable Analyses

. Hernán 0 1 0 Kresge Building , 9th Floor, Boston, MA 02115 ( 1 Author affiliations: Department of Epidemiology, Harvard School of Public Health , Boston, Massachusetts (Sonja A. Swanson, James M. Robins