%0 Journal Article %K Humans %K *Practice Patterns, Physicians'/statistics & numerical data %K *Confounding Factors, Epidemiologic %K Bias %K Linear Models %K Least-Squares Analysis %K United Kingdom %K Computer Simulation %K instrumental variables %K noncollapsibility %K physician's prescribing preferences %K two-stage prediction substitution %K two-stage residual inclusion %K unmeasured confounding %B J Comp Eff Res %D 2024 %G eng %M 38567965 %P e230085 %R 10.57264/cer-2023-0085 %T Comparing the performance of two-stage residual inclusion methods when using physician's prescribing preference as an instrumental variable: unmeasured confounding and noncollapsibility %V 13 %2 PMC11036961 %7 2024/04/03 %@ 2042-6305 (Print)2042-6305