Bayesian inference for the causal effect of mediation.
Bayesian inference for the causal effect of mediation.
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DOI:
10.1111/j.1541-0420.2012.01781.x
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发表时间:
2012-12
期刊:
影响因子:
1.9
通讯作者:
Perri MG
中科院分区:
文献类型:
--
作者:
Daniels MJ;Roy JA;Kim C;Hogan JW;Perri MG
We propose a nonparametric Bayesian approach to estimate the natural direct and indirect effects through a mediator in the setting of a continuous mediator and a binary response. Several conditional independence assumptions are introduced (with corresponding sensitivity parameters) to make these effects identifiable from the observed data. We suggest strategies for eliciting sensitivity parameters and conduct simulations to assess violations to the assumptions. This approach is used to assess mediation in a recent weight management clinical trial.
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