Policy-relevant proportions for direct effects.

Stijn Vansteelandt, Estimating direct effects in cohort and case-control studies. Epidemiology. ,vol. 20, pp. 851- 860 ,(2009) , 10.1097/EDE.0B013E3181B6F4C9

James M. Robins, Sander Greenland, Identifiability and exchangeability for direct and indirect effects. Epidemiology. ,vol. 3, pp. 143- 155 ,(1992) , 10.1097/00001648-199203000-00013

Tyler J. VanderWeele, Marginal structural models for the estimation of direct and indirect effects. Epidemiology. ,vol. 20, pp. 18- 26 ,(2009) , 10.1097/EDE.0B013E31818F69CE

Kosuke Imai, Luke Keele, Dustin Tingley, A general approach to causal mediation analysis. Psychological Methods. ,vol. 15, pp. 309- 334 ,(2010) , 10.1037/A0020761

Danella M Hafeman, Sharon Schwartz, Opening the Black Box: a motivation for the assessment of mediation International Journal of Epidemiology. ,vol. 38, pp. 838- 845 ,(2009) , 10.1093/IJE/DYN372

T. J. VanderWeele, S. Vansteelandt, Odds Ratios for Mediation Analysis for a Dichotomous Outcome American Journal of Epidemiology. ,vol. 172, pp. 1339- 1348 ,(2010) , 10.1093/AJE/KWQ332

Jay S Kaufman, Richard F MacLehose, Sol Kaufman, A further critique of the analytic strategy of adjusting for covariates to identify biologic mediation Epidemiologic Perspectives & Innovations. ,vol. 1, pp. 4- 4 ,(2004) , 10.1186/1742-5573-1-4

Tyler J. VanderWeele, Kofi Asomaning, Eric J. Tchetgen Tchetgen, Younghun Han, Margaret R. Spitz, Sanjay Shete, Xifeng Wu, Valerie Gaborieau, Ying Wang, John McLaughlin, Rayjean J. Hung, Paul Brennan, Christopher I. Amos, David C. Christiani, Xihong Lin, Genetic Variants on 15q25.1, Smoking, and Lung Cancer: An Assessment of Mediation and Interaction American Journal of Epidemiology. ,vol. 175, pp. 1013- 1020 ,(2012) , 10.1093/AJE/KWR467