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Incorporating Equity Value Judgements into the Measurement and Study of Racial Disparities

May 5 @ 1:00 pm - 1:50 pm

Department of Epidemiology Seminar Series


John W. Jackson, ScD
Assistant Professor
Departments of Epidemiology, Biostatistics, and Mental Health
Johns Hopkins Bloomberg School of Public Health

Abstract: Causal decomposition analyses can help build the evidence base for interventions that address health disparities (inequities). They ask how disparities in outcomes may change under hypothetical intervention. Through study design and assumptions, they can rule out alternate explanations such as confounding, selection bias, and measurement error, thereby identifying potential targets for intervention. Unfortunately, the literature on causal decomposition analysis and related methods have largely ignored equity concerns that actual interventionists would respect, limiting their relevance and practical value. This work addresses these concerns by explicitly considering what covariates the outcome disparity and hypothetical intervention adjust for (so-called allowable covariates) and the equity value judgments these choices convey, drawing from the bioethics, biostatistics, epidemiology, and health services research literatures. From this discussion, we generalize decomposition estimands and formulae to incorporate allowable covariate sets (and thereby reflect equity choices) while still allowing for adjustment of non-allowable covariates needed to satisfy causal assumptions. For these general formulae, we provide weighting-based estimators based on adaptations of ratio-of-mediator-probability and inverse-odds-ratio weighting. We discuss when these estimators reduce to already used estimators under certain equity value judgments, and a novel adaptation under other judgments.


May 5
1:00 pm - 1:50 pm
Public Events, School-wide Events, University-wide Events
Event type(s):
Lectures / Seminars / Forums
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