16 citations · 56 across the 8 of their papers we have counts for
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stat.ME2018★ 7 cited
Complier stochastic direct effects: identification and robust estimation
Kara E Rudolph, Oleg Sofrygin, Mark J van der Laan
Mediation analysis is critical to understanding the mechanisms underlying exposure-outcome relationships. In this paper, we identify the instrumental variable (IV)-direct effect of…
stat.ME2018★ 7 cited
Evaluation of adaptive treatment strategies in an observational study where time-varying covariates are not monitored systematically
Noémi Kreif, Oleg Sofrygin, Julie Schmittdiel +5
In studies based on electronic health records (EHR), the frequency of covariate monitoring can vary by covariate type, across patients, and over time. This can lead to major challe…