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Yeji Ko is first author of Annals of Epidemiology paper

Posted by on Thursday, April 18, 2024 in News.

Congratulations to PhD student Yeji Ko on the publication of Adjustment for duration of employment in occupational epidemiology in the June 2024 issue of Annals of Epidemiology (appearing online ahead of print this week). Professor Ben French, who was recently elected to the National Council for Radiation Protection and Measurements, is the paper’s corresponding author. Ko, French, and colleagues at Oak Ridge Associated Universities examined the healthy worker survivor effect in relation to radiation risk among nuclear workers, using simulation studies to arrive at reliable results and conclude that “it is crucial to flexibly adjust for duration of employment to account for confounding arising from the healthy worker survivor effect in occupational epidemiology.” The work was made possible by the Oak Ridge Associated Universities (ORAU) Directed Research and Development Grant, which promotes collaborations between universities and ORAU scientists for foundational research efforts.

Graph illustrating scenarios discussed in Ko's paper
Figure 3 of the paper: Mean annualized radiation dose by year since start of employment among workers in a Million Person Study cohort. Scenario 1, 2, and 3 correspond to weak, moderate, and strong dependence, respectively, between annualized radiation dose and duration of employment in the simulated data.

 

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