Publications choisies
Liste de publications complète sur Google Scholar
Samoilenko M, Lefebvre G. (2023). "An exact regression-based approach for the estimation of natural direct and indirect effects with a binary outcome and a continuous mediator," Statistics in Medicine; 42(3): 353-387. doi:10.1002/sim.9621
Caubet Fernandez M, Samoilenko M, Drouin S, Sinnett D, Krajinovic M, Laverdière C, Marcil V,
Lefebvre G. (2023). "Bayesian joint modeling for causal mediation analysis with a binary outcome and a
binary mediator," Computational Statistics & Data Analysis; 177. https://doi.org/10.1016/j.csda.2022.107586
Baldé I, Yang Y, Lefebvre G. (2022). "Reader Reaction to 'Outcome-adaptive lasso: Variable selection for causal inference' by Shortreed and Ertefaie (2017)," Biometrics; 00, 1-7.
Samoilenko M, Lefebvre G. (2021). "Parametric regression-based causal mediation analysis of binary outcomes and binary mediators: moving beyond the rareness or commonness of the outcome," American Journal of Epidemiology; https://doi.org/10.1093/aje/kwab055.
Diop A, Lefebvre G, Duchaine CS, Laurin D, Talbot D. (2021). "The impact of adjusting for pure predictors of exposure, mediator, and outcome on the variance of natural direct and indirect effect estimators," Statistics in Medicine; 40(19): 2339-2354. https://doi.org/10.1002/sim.8906.
Ateba F, Doumbia S, ter Kuile FO, Terlouw DJ, Lefebvre G, Kariuki S, Small DS. (2021). "The effect of malaria on stunting: an instrumental variables approach," Transactions of The Royal Society of Tropical Medicine and Hygiene, traa183.
Samoilenko M, Arrouf N, Blais L, Lefebvre G. (2020). "Comparing two counterfactual outcome approaches in causal mediation analysis of a multicategorical exposure: An application for the estimation of the effect of maternal intake of inhaled corticosteroids doses on birthweight," Statistical Methods in Medical Research; 29(10): 2767-2782. (Two (2) SAS macros: mediation_regression_model.txt mediation_marginal_structural_model.txt)
Tounkara F, Lefebvre G, Greenwood C, Oualkacha K. (2019). "A flexible copula-based approach for the analysis of secondary phenotypes in ascertained samples," Statistics in Medicine; 39(5): 517-54.
Caubet Fernandez M, Drouin S, Samoilenko M, Morel S, Krajinovic M, Laverdière C, Sinnett D, Levy E, Marcil V, Lefebvre G. (2019). "A Bayesian multivariate latent t-regression model for assessing the association between corticosteroid and cranial radiation exposures and cardiometabolic complications in survivors of childhood acute lymphoblastic leukemia: a PETALE study," BMC Medical Research Methodology; 19(1):100.
Samoilenko M, Lefebvre G. (2019). "Point: Risk ratio equations for natural direct and indirect effects in causal mediation analysis of a binary mediator and a binary outcome - A fresh look at the formulas," American Journal of Epidemiology; 188(7):1201-1203.
Samoilenko M, Blais L, Lefebvre G. (2018). "Comparing logistic and log-binomial models for causal mediation analyses of binary mediators and rare binary outcomes: evidence to support cross-checking of mediation results in practice," Observational Studies; 4, 193-216.
Lefebvre G, Samoilenko M, Boucoiran I, Blais L. (2018). "A Bayesian finite mixture of bivariate regressions
model for causal mediation analyses," Statistics in Medicine; 37(25): 3637-3660.
Samoilenko M, Blais L, Boucoiran I, Lefebvre G. (2018). "Using a mixture of bivariate regression model to
explore heterogeneity of effects of use of inhaled corticosteroids on gestational age and birthweight among
pregnant women with asthma," American Journal of Epidemiology; 187(9): 2046-2059.
Lefebvre G, Samoilenko M. (2017). "On the use of the outcome variable "small for gestational age" when
gestational age is a mediator: a perinatal asthma perspective," BMC Medical Research Methodology; 17(1):
165.
Samoilenko M, Blais L, Cossette B, Forget A, Lefebvre G. (2016), “Assessing the dose-response relationship between maternal use of inhaled corticosteroids therapy and birth weight: a generalized propensity score approach,” Article 8, Observational Studies. http://obsstudies.org/journal.php?id=38
Talbot D, Rossi AM, Bacon SL, Atherton J, Lefebvre G. (2018 - Epub 2016), “A graphical perspective of marginal structural models: an application for the estimation of the effect of physical activity on blood pressure,” Statistical Methods in Medical Research; 27(8): 2428-2436.
Talbot D, Lefebvre G, Atherton J. (2015), “The Bayesian causal effect estimation algorithm,” Journal of Causal Inference; 3(2): 207-236.
Talbot D, Atherton J, Rossi AM, Bacon SL, Lefebvre G. (2015), “A cautionary note concerning the use of stabilized weights in marginal structural models,” Statistics in Medicine; 34(5): 812-823.
Lefebvre G, Delaney JAC, McClelland R. (2014), "Extending the Bayesian Adjustment for Confounding algorithm to binary treatment covariates to estimate the effect of smoking on carotid intima-media thickness: The Multi-Ethnic Study of Atherosclerosis," Statistics in Medicine; 33(16): 2797-2813.
Lefebvre G, Atherton J, Talbot D. (2014), “The effect of the prior distribution in the Bayesian Adjustment for Confounding algorithm,” Computational Statistics and Data Analysis; 70: 227-240.
Lefebvre G, Steele R, Vandal AC. (2010), “A path sampling identity to compute the Kullback-Leibler and J-divergences,” Computational Statistics and Data Analysis; 54(7): 1719-1731.
Lefebvre G, Gustafson P. (2010), “Impact of outcome model misspecification on regression and doubly-
robust inverse-probability-weighting to estimate causal effect,” The International Journal of Biostatistics; 6(2)
Lefebvre G, Steele R, Vandal AC, Naranayan S, Arnold D. (2009), “Path sampling to compute
integrated likelihoods: an adaptive approach,” Journal of Computational and Graphical Statistics; 18(2): 415-437.
Gustafson* P, Lefebvre* G. (2008), “Bayesian multinomial regression with class-specific predictor
selection,” Annals of Applied Statistics; Vol. 2, No. 4, 1478-1502. (*: auteurs listés en ordre alphabétique).
Lefebvre G, Delaney* JAC, Platt RW. (2008), “Impact of mis-specification of the treatment model on estimates from a Marginal Structural Model,” Statistics in Medicine, 27(18), 3629-3642. (*: premiers co-auteurs)
Lefebvre G, Angers J-F, Blais L. (2006), “Estimation of time-dependent rate ratios in case-control studies:
Comparison of two approaches for exposure assessment,” Pharmacoepidemiology and Drug Safety; 15: 304-316.